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ZyXEL ACCESSING INTERNET & INTRANET omni series User's Manual

1. Doubles the baud rate set by the software x1 x2 x4 O OJO OOJO Quadruples the baud rate set by the software Connecting the TA to your PC Follow the steps below to connect the TA to your PC 1 Turn the power off to your computer and remove the housing 2 Insert the card into a open ISA slot make sure it is secure and replace the computer housing Plug and Play The omni series internal cards support the Plug and Play standard No jumper adjustment is needed for configuration All I O and IRQ 16 Installing omni Internal Models settings will be handled by your operating system if it supports the Plug and Play standard If your operating system does not support Plug and Play a DOS configuration utility has been included on the floppy disk that is included with your omni To configure your omni internal card using the disk follow the steps below 1 Insert the floppy disk in the appropriate drive 2 From the C prompt type a and press Enter 3 From the A prompt type instlpnp and press Enter 4 The following message will appear Would you like to create the default directory Press Y to continue 5 The following message will appear Do you want to modify the autoexec bat file Press Y to continue 6 Press Alt Ctrl Delete to reboot your system 7 The following message will appear Do you want to reconfigure your ZyXEL PnP card If you press N installation is complete
2. N PID 116 AT Command Set Reference Command Options Function amp Description Ref Sn using Xmodem protocol Vn P Sets display type for Result Codes Display result code in numeric form See also S35 7 and the result code table of ATXn ee ee form Me a ee e S Options Table n In 0 4 Reset TA and set power on profile S15 5 7 Reset TA and load user profile n 0 3 V VI n 0 7 5 x n 0 Zn Z4 Z4 Reset TA and load factory settings Basic command summary help Description of ATI3 Output The Link Status Report output appears as follows ZyXEL ISDN TA LINK STATUS REPORT Connect DTE Speed Error Control Level Protocol Link Speed Octets Received 2 0 Octets Sent Cause Cause Value HDLC FCS Error HDLC Receive Over run oe oe oe je fap oO HDLC Transmit Under run Output Parameter Output Value Description AT Command Set Reference 117 Output Parameter Output Value Description Connect DTE Speed Current on line DTE speed Error Control Level Error control protocol used for current session Protocol Link Speed Current on line DCE speed line speed Octets Received Number of data octets received from remote Octets Sent Number of data octets sent to remote Cause Verbose disconnection reason for the last session session HDLC FCS Error Errors in frame block checksum If there were many FCS Errors you may have exper
3. CONNECT 26400 CONNECT 24000 CONNECT 21600 CONNECT 48000 44 CONNECT 56000 45 CONNECT 64000 __ 46 CONNECT 112000 47 _ CONNECT 128000 Use S42 6 to disable RINGING result code X7 i i je w je je w je je je je w j je w je i je 17 18 19 20 21 22 23 24 25 26 27 2 2 30 31 32 33 34 35 36 37 38 39 40 41 42 43 4 146 Status Registers and Result Codes Result Code Chart Symbol Reference Reports the DTE Speed as lt cr gt lt IfS gt CONNECT DTE_Speed lt cr gt lt lf gt CONNECT DTE_Speed Protocol DCE_Speed Error_Control Example CONNECT 115200 V120 64000 LABD lt cr gt lt If gt CONNECT DCE_Speed Error_Code lt cr gt lt lf gt Example CONNECT 64000 ARQ CONNECT DCE _Speed Error_Code Error_Control Example CONNECT 64000 ARQ V42b Result Code Field Descriptions Field Name Possible Values NONE ARQ Error_Control LAPB LAPD V42 This field will not show if no error control is negotiated V42b DCE_Speed All possible DCE speeds supported DTE_Speed All possible DTE speeds supported V120 V120M V 120 with MLP Bundle V120C V 120 with cFos Bun
4. 63 10 X 75 ISDN Communications 02 cc2cceeceeeeeeceeeeeeees 65 Answering an X 75 Call sisiicecsessicccasercecasecacicasoresscastvercdasecstecs 66 Making an X75 C alll ciisceccscicccesesaetavavevedaneveoreevevevanseeoreiees 66 Making a Bundled Call with X 75 000 eeeeeeeeeeeneeeeeeenees 67 Dialing Pre stored Phone Numbers 68 Invoking V 42bis Data Compression ccsssssssssseecsssees 68 Bundle Connection with V 42bis Data Compression 69 11 Handling Analog Calls non data ccccsssseeseeeeeee 71 Placing a Call from the Analog Adapter ssscccccssssssees 72 Accepting an Incoming Calll cccssssssssssccccssssssssssscsceeees 73 Feature Phone OMNI MeL ccccccccssssccccccssccccccssscccccesssccees 75 Phe Flashi keyen iiipin teens alt iinet deste 75 T t r COM FS oie fase Spades Sedat ra E dscns 75 Call Wating sie cas acteurs cada ipa ba dsceas op TA ER 76 Placing a second Call iycii2c iocia cobeleaiecictaseehedaveshetaavetenneeauede 76 Receiving a second Call ic 6 cutee etalon eee 76 Call Broker Benes cede ne he tenet etre Nees eds ca hea nae 77 Cal RA ON ac T nas eee ea as os casas ese 77 Call Tr nsfer iiscniesiindnniivin denied iais 11 Three way Conference Call ctisciide asec aseanes rioters 77 12 Advanced ISDN Call Control cccccccsssesseeeeeeeeteees 79 Call Control for DSS1 ciscscecscisegssccssatecccsseaccdcssoussscnsadevsuaseroeees 79 Control of O
5. PPPS Toe O Data TXD Data RXD RTS CTS GND Data Carrier Detected DCD 15 Transmit Clock Signal source DCE Clock O e ec Loopback Test 20 108 2 CD Data Terminal Ready gt 108 1 DTR Connect DCE to line 21 140 Remote Digital Loop gt 152 Serial Port Interface CC Data Set Ready lt DSR 103 104 105 106 107 102 109 114 DTE DCE a eee ee o Ring Indicator RD Transmit Clock Pin ITU TSS EIA Signal Pin Signal Number Signal Signal Description Direction Signal source Serial Port Interface 153 20 Index 1TR6 85 Answering a call 88 Placing a call 84 92 ambiguity resolution 89 American ISDN 4 63 101 122 analog calls 73 placing 74 analog ports 1 Answering a call 87 1TR6 88 Best effort 88 DSS1 87 Multi Auto Answer 89 using MSN 31 V 110 53 V 120 61 X 75 68 AT commands choose protocol 68 descriptions 112 frequently used 73 multiple 26 result codes 150 security 95 96 S Register 132 Tips 26 understanding 25 V 110 54 V 42bis compression 64 ATDI 69 auto answer 68 Automatic call detection 3 auto switch 27 30 B channel 65 75 89 122 147 Bundling 62 63 69 143 changing 29 Multi Auto 34 protocol 65 85 104 125 140 154 Index Baud rate 15 16 133 Best effort 33 88 BONDING 62 BRI 32 62 63 69 85 87 bundle connections 62 70 V 120 62 X 75 69 BZT 73 Called Party Number 8
6. AT Commands ATS87 0 0 Enable POTS port 1 to accept global calls Default ATS87 0 1 Disable POTS port 1 to accept global calls ATS87 1 0 Enable POTS port 2 to accept global calls Default ATS87 1 1 Disable POTS port 2 to accept global calls 74 Handling Analog Calls non data Feature Phone omni net The omni net supports ZyXEL s powerful and advanced feature phone operation By connecting to the analog ports you can get the benefits of analog phone services plus additional features over your ISDN line The Flash key All feature phone operations start from the Flash key Commands for feature phone operation are listed in the table below Press the Flash key 1 Hold Release 2 Cancel the second dial connection attempt Press the Flash key 1 Answer the incoming call and place the and 0 call waiting existing call on hold 2 Switch back and forth between the two calls either two remote calls or one remote call and one local call 3 Place a call on hold to place a second call Press the Flash key 1 Dial to another local phone and 2 Intercom and 2 Transfer the call to another local phone Mixing mode 1 remote party and 2 local parties or 2 remote parties and 1 local party Press the Flash key 1 Reject the second incoming call and 5 Call Reject 2 Disconnect the current phone connection InterCom With two phones connected your TA can be used as an intercom Please follow the
7. may set S87 2 1 to use PAP only If you do not want to do authentication at all set S118 3 1 to disable the conversion fo NOTE Disabling authentication may cause problems in Windows 95 CHAP is described in RFC1994 and PAP is described in RFC 1334 The only hash method supported by CHAP is MD5 MS CHAP isn t supported yet At this time authentication conversion works for clients only Related commands e ATS118 3 1 Disable authentication conversion e ATS118 3 0 Enable authentication conversion depends on 87 2 default e ATS87 2 1 Accept PAP None only e ATS87 2 0 Accept CHAP PAP None default Compression Control Protocol CCP The ISDN channel can be utilized more effectively when using compression Compression Control Protocol CCP is used by PPP to negotiate compression methods between peers CCP starts after the PPP reaches the network phase Both ends must support the same compression method to start packet compression ZyXEL supports STAC LZS Right now STAC LZS is only supported with single history check mode 0 none 3 sequence and 4 extended Mode 1 LCB and mode 2 CRC are not supported due to patent limitations CCP negotiation is described in RFC1962 STAC LZS is described in RFC1974 The TA will monitor the DTE s activity If software compression has been negotiated the TA will automatically disable STAC LZS compression Related commands e AT amp KO00 Disable CCP negotiation def
8. t 5 oe jon 9 N oO Oje U N N A gt Status Registers and Result Codes 131 Function and description Disable aborting from terminal during modem handshaking V When Data Voice with is pressed TA will dial the default number dec hex a 10 Dn 29 Enable extended numerical 0 result codes from 50 71 when S23 6 an error corrected connection is made Use with ATVO see result code table dec hex o o G0 he ae dec 2 16 128 dec 0 32 6 160 ec 1 Bit mapped register Disable security function GO Enable type 1 security with G1 password check ZyXEL to ZyXEL only 5 7 4 Enable type 1 security with password check and call back ZyXEL to ZyXEL only Enable type 2 security with password check Bee check and call back AO Enable type 2 security with password check and call back Remote site enters the call back number Bit mapped register 000 S36 38 1 Repeatedly dialing default Dn S29 number we is DCD on off sequence follows amp UNIX standard DCD high 21 4 before connect message is sent DCD off after last DCE response is sent 132 Status Registers and Result Codes d G2 G3 Enable type 2 security with G4 G5 h 000 C1 unction and description j answer mode it dec P Tian on BAZ trace 141 on EIA 232D interface see 44b4 S0 i a e in answer mode 20 Disable Data Voice button code it dec hex DTE
9. 110 on the other hand is just an R interface layer 1 adaptation protocol without error control and is thus inadequate for V 42bis 62 V 120 ISDN Communications Bundle Connection with V 42bis Data Compression If both sites have set AT amp K44 to enable V 42bis negotiation then XID frames will be exchanged through the main B channel which corresponds to the call established by the first SETUP message Only one data compression channel will be used in bundle connections That means the compression is done before packet disassembly and the decompression is done after packet assembly The compression ratio of V 42bis is commonly recognized as up to 4 1 for text files If the line speed is 128K bps then the DTE speed may reach 512K bps This makes the DTE s normal RS 232 serial port unsuitable for bundle applications A special I O card on the computer side is required in this situation Selecting V 120 for European ISDN DSS1 With European ISDN V 120 is an option in the Bearer Capability BC information element which is a mandatory information element in the SETUP message Although we can specify V 120 in the Low Layer Compatibility LLC information element some switches just don t deliver the LLC Other switches do deliver the LLC but the V 120 selection will be discarded midway If the called TA doesn t get any B channel protocol information from the incoming SETUP message and the remote device is a ZyXEL ISDN device the TA will
10. 32 2s FE unit S128 Toae o 1 j1 One POTS and two DTE ports e Bit S register bit number b used in ATSr b n and ATSr b e dec Decimal value x used in ATSn x e hex Equivalent Hexadecimal value e nnn Factory default when listed in Reference column ATXn Result Code Option Table The following table shows the different options available when setting the ATXn command The default value for n is 5 when the omni is shipped o ok VV VV vv p i CONNECT VV VW v sf 2 RING VV WV WV WV fv v WV a ror VV VV Vv fv _ v_Wv 5 CONNECT 1200 je js 6 NODIALTONE vi v v _ v_ v 7 Bus SV vv CV s INOANSWER_ l V_V_ v_ v_Wv 9 _ RINGING li vyv p 10 CONNECT 2400 js 11 CONNECT 4800 je S 12 CONNECT 9600 fs f 14 CONNECT 19200 je js 15 CONNECT 7200 js f 16 CONNECT 12000 je s k Status Registers and Result Codes 145 ATVO CONNECT 14400 CONNECT 16800 CONNECT 38400 CONNECT 57600 CONNECT 76800 CONNECT 115200 CONNECT 230400 CONNECT 460800 CONNECT 921600 CONNECT 307200 CONNECT 153600 CONNECT 102400 CONNECT 61440 CONNECT 51200 CONNECT 62400 CONNECT 124800 CONNECT 62400 CONNECT 41600 CONNECT 31200 CONNECT 249600 CONNECT 20800 CONNECT 33600 CONNECT 28800
11. 4 1 or S79 5 1 the call waiting feature of the respective POTS portwill be always disabled There are several ways to deal with a second incoming call 76 Handling Analog Calls non data e To accept the call press the Flash key and 0 to accept the second call and place the first call on hold Accept the second call P Flash gt P 0 e To reject the second call press the Flash key and 5 Reject the second call P Flash gt P 5 e To establish a three way conference call press the Flash key and 3 Establish a conference cal Flash P 3 Call Broker The call broker feature enables you to switch back and forth between the first and second calls by pressing the Flash key and 0 Call Broker Flash P 0 Call Reject To disconnect an active call and return to a call that is on hold press the Flash key and 5 This allows you to disconnect a call without hanging up your handset Call Reject Flash gt P 5 Call Transfer The call transfer feature enables you to transfer a call to another local phone by pressing the Flash key and 2 and then hanging up the handset Call Transfer Flash gt 2 gt FU Three way Conference Call The conference call feature can be used in the two ways To connect two local parties to a remote party or to connect one local party to two remote parties Handling Analog Calls non data 77 Two local parties connected to one remote party 1 Place a call to the other
12. 43 dec IS3 Define ASCII Carriage Return 01 S4 Define ASCII Line Feed IS5 Define ASCII Backspace 008 S7 Set duration in number of seconds TA waits 060 for a carrier S8 Set duration in seconds for pause option in 002 Dial command and pause between command re executions for Repeat gt command Extended S Registers ATSn x Command bit dec hex Function and description Ref 0 1 o fo Even parity 1 fi Odd parity d 2 2 Noparity e 2 lo oO fi stop bit a 4 2stopbits O 4 3 o o 10 bit character length C0 8 gs bt Pa PP ferro ee power ON power ON 128 Status Registers and Result Codes H d bi B power ON o ae power on 4 Function and description P S 5 5 8 S Fig a 28 80 Factory default as active Z ec hex rate when idle Disable fixed baud function 5 Enable baud rate fixing at idle Q ec a n 0 15 baud rate value settings n the same as S20 value ec hex DTE speed bps Auto detected from AT Command o 230400 bps 9 9600 bps B 4800 bps D 1200 bps 1 1 2 0 0 Speaker always Off MO e I detected M2 3 0 o DSRalwaysOn amp s0 S20 d o o Sls Oo Cols Status Registers and Result Codes 129 Function and description According to CCITT see also amp S1 CDalwaysOn amp C0 CD tracks presence of data connection see also 38 3 A
13. AT Command Set Reference 121 d Options Function amp Description Assign the phone number s for the analog adapter phone 2 Display the phone number including subaddress if any for various B channel protocols Display the amp ZOn setting Ref pa amp ZOn x Write own phone number including sub address if any The number specified will be used as the calling party number whiling dialing Value for n I ISDN data A analog adapter Phone 1 B analog adapter Phone 2 Extended AT Command Set Function amp Description n Set default dial pointer at telephone S29 directory location n DO See also 35 4 and 38 0 Go Security function selection 36 5 7 AE ne Gn GO Disable security function Gl Enable type 1 security with password check ZyXEL to ZyXEL only G2 Enable type 1 security with password check and call back ZyXEL to ZyXEL only Enable type 2 security with password a a check Enable type 2 security with password check and call back x Enable type 2 security with password check and call back remote site enters the call back number 122 AT Command Set Reference Function amp Description Call back function selection GC0 Disable call back function Enable call back function Ref aa fa Assign call back phone number s i storage location n gt hee location n Modify supervisory password Defa
14. B channels can be used together for a single data connection to provide 112K with In Band Signaling or 128K when Out of Band Signaling is used It is called a Bundle Connection The type of channel bundling described in the V 120 section is supported only between the following ZyXEL products omni net series Omni TA128 or Elite 28641 and uses Multiple Link Protocol MLP and cFos channel bundling CCB Identifying your line provisioning For bundled connections the two B channels of your ISDN line must be able to handle data circuit switch connections with unrestricted 64K or 56Kbps line speeds Two separate data calls will be established consecutively Making a Bundled Call with V 120 A bundled V 120 connection is initiated at the calling site when ATB20 B channel protocol V 120 has been selected and the channel bundling mode has been enabled by an AT amp J3 command The channel bundling command AT amp J3 must be set on both the calling and receiving sides otherwise a single channel connection will be made Type ATB20 lt Enter gt Set B channel protocol to V 120 AT amp J3 lt Enter gt Set the TA to make a bundled call Type AT amp WZ lt Enter gt If you want to save the setting 60 V 120 ISDN Communications Once this is done the ATD command will generate two consecutive SETUP messages to invoke bundle initiation For the Northern Telecom switch each BRI phone number can only be called once at a
15. Command DEeSCcriptions ccccccssssssssssccccscssssssssssees 109 Basic AT Command Set ccccccccccccessseseseecceeeeseeeeeees 109 Description of ATI3 Output ssssseeeseeessssssseerreessssssseereee 117 Extended AT amp Command Set eeeeeeenteeeeeeeeeeeees 118 Extended AT Command Set cccsceccceceeeeseettteeeeeeeees 122 17 Status Registers and Result Codes ccccccee 125 Viewing and Setting S Registers ssccsssscssssesssseees 125 Viewing S registers 5 a5 itccenssdcennes aden Soksta peeves dee saeetacdtueaea maens 125 Setting S TegisterS crs r E Tr iS 126 S Register Descriptions sssessssssocccceesssssoocccesesssssoococesessssso 127 Basic S Registers ATSn X cccssesccceeeseotecnesseeteereeses 128 Extended S Registers ATSn Xx oo eeeeeeeeesseeeeeeeneeeeeees 128 ATXn Result Code Option Table 145 Result Code Chart Symbol Reference ceeeeeeeeeeeeeeees 147 Result Code Field Descriptions eeeeeeeceeeeeeeeeeeeeees 147 Connect Strings for Error Corrected Connections 148 18 Phone Jack Pinout Assignments ccssssssseeeee 150 19 Serial Port Interface cccccccsssssseeeeeeeeeeeeeeeeeeseeeeees 152 20 TASK cca E E 154 xii 1 Introduction The ZyXEL omni net series ISDN Terminal Adapter family includes four ISDN Terminal Adapters omni net omni net Internal omni net data and omni net Data Internal When used with o
16. Service Indicator for 1TR6 only n 0 analog adapter Phone 2 n 2 ISDN data n 3 analog adapter Phone 1 Fernsprechen a b Dienste Daten bertragung 64 Kbps The defaults are 104 1 for a b adapter 2 105 reserved 106 7 for ISDN data 107 1 for a b adapter 1 Outgoing Service Additional for 1TR6 only Information n 0 analog adapter Phone 2 n 2 ISDN data n 3 analog adapter Phone 1 Status Registers and Result Codes 139 Command pit Hes Pex Function and description Ref __ eee ee a SI JAA Fax Gruppe 3 Z 3 B Daten Ober Modem 4 4 Btx OberModem Thee X 75 SLP a a Sid mila Number of stop bits 1 1200 bps 2400 bps 4800 bps 14400 bps 119200 bps a 140 Status Registers and Result Codes Command bit dec hex Function and description __ Ref 010 Sync V 110 10100 1200 bps 000 10100 2400 bps O 0 00 4800 bps os gt N ee sty H 4 CO Top MENEN y oO VEJ 7 lop LEO e e cS 0 9600 bps ye H SANES O10 sf po oO oO 0 14400 bps O 19200 bps a m m S De S eaae E pe o C o O O O S oO O iE L H 0 dec hex High Layer Compatibility Non 1TR6 n 0 analog adapter Phone 2 n 2 ISDN data n 3 analog adapter Phone 1 0 1 1 Telephone 4 J4 Facsimile Group 2 3 T
17. Would you like to run ZyXEL CAPI to setup Multiple Subscriber Numbers 5 From the Set Multiple Subscriber Numbers dialog box type in the desired numbers and click OK Multiple Subscriber Numbers mswo o msmi S E usn usm msma Setup for Windows 95 and NT 4 0 43 F Point to Point Protocol PPP Introduction Point To Point Protocol is designed for simple links which transport packets between two peers These links provide full duplex simultaneous bi directional operation and are assumed to deliver packets in order PPP is intended to provide a common solution for easy connection for a wide variety of hosts bridges and routers In the process of configuring maintaining and terminating the point to point link PPP goes through several distinct phases which are specified in the following simplified state diagram Up Opened Dead m Establish m gt Authetication Fail Fail Closing Down Terminate Network Figure 7 1 Point to Point Link Pathway 44 Point to Point Protocol PPP Data will be transmitted only when the link is in the open phase Negotiation details are described in RFC1661 Feature list Async to Sync Conversion external PPP uses HDLC like framing as encapsulation which can be bit oriented or character oriented Most ISDN routers use bit oriented HDLC framing also known as synchronous transmission However seri
18. are notrequired to enter the complete number string for the AT amp ZIn command The last few distinguishable digits will be enough for the TA to make the decision Two phone number Strings are said to be matched if their least significant n digit s are identical where n is the number of digits in the shorter string Called_Party_Subaddress information within the incoming SETUP message can also be used to select the protocols and or analog ports In normal conditions Called_Party_Subaddress information is not used by the TA to select the protocols or services but only indicates the subaddress if any to the DTE Refer to Chapter 12 for more detailed information 32 ISDN Communication Basics Data over Speech Channel If you are expecting ISDN data calls through the Speech Voice channel you need to setup MSN for it For non data models if no MSN entries are found in MSN ISDN data lists all Speech Voice calls will be sent to either Phone 1 or Phone 2 Which entry to use would depend on the type of data call that you are expecting If you only expect PPP calls you should enter the number that the remote user will use to dial in entry 3 AT amp ZI3 xxx or entry 5 A amp ZI5 xxx Once this is set the TA will attempt to use PPP protocol to handshake with the remote site whenever a caller dials into this number Best effort call answering non data If some numbers have been set using the amp ZIn command this can be s
19. be able to identify the V 120 protocol automatically with the Multi Auto answer routine Otherwise the handshake will fail Selecting V 120 for Germany National ISDN 1TR6 1TR6 data connections are achieved by setting the Service Indicator to 7 Daten_bertragung 64Kbps and the Additional Information octet is used to select B channel protocols Since there is no pre defined code for asynchronous V 120 TA uses the V 120 ISDN Communications 63 synchronous V 120 code to fill in the additional information octet This approach might not work all the time 64 V 120 ISDN Communications 10 x 75 ISDN Communications This chapter will describe how to set up and configure your TA with X 75 protocol The table below shows the specifications of different ISDN protocols Vm V 120 Framing va Transparent V 120 _ IS08208T 70 NL Error Control V 42bis Async or Sync Async Only Async Async Only if used with Only V Series DTE Speed Kbps 128Kbps 128Kbps AT Command ATB10 ATB20 ATBOO Configuration Transparent ATBO1L T 70 NL X 75 was originally designed for packet switched signaling systems in public networks to provide data transmission services But it is now also used as the link layer for telematic services as defined in T 90 in ISDN These services include both ISDN circuit switched mode DTE DTE communication and ISDN packet switched mode DTE DCE communication X 75 ISDN Communications 65 Answering an
20. bus with the TA 86 Advanced ISDN Call Control If you want the TA to answer inbound calls as often as possible you can set the best effort call answering bit as follows e 119 3 0 Answer calls only when numbers match by default e 119 3 1 Best effort call answering Ambiguity Resolution Switch for Voice Calls non data For a voice or voice band data call if the amp ZI number assignment can tell which of the analog adapters is being addressed then the call will be delivered to the proper destination Sometimes ambiguity of address matching may exist This may happen if the amp ZI numbers of the various protocols are either unassigned or not matched In this case users may wish to set the priority of answering a call by the analog adapter Phone 1 or the analog adapter Phone 2 omni net The AT amp Ln command sets the address ambiguity resolution flag Multi Auto Answering of Data Calls For an ISDN data call if the TA can exclusively determine the protocol to be used by means of the information conveyed by the SETUP message for DSS1 these include the Bearer Capability Low Layer Compatibility or High Layer Compatibility information elements for 1TR6 these include the Service Indicator as well as the Additional Octet of Service Indicator then the indicated protocol will be used Otherwise the Multi Auto answering process will be invoked The omni can monitor the B channel signal sent by the calling site Th
21. device non data This section will provide some general guidelines for setting up the device for call answer handling Be aware that the TA will not automatically answer a call unless S register SO is set to a value greater than 0 zero If S register SO 0 the TA will only report RING to your terminal program It can also respond with an audible tone external that will allow you to decide whether or not you should take any action When an ISDN data call comes in the TA will try to negotiate a connection using the proper ISDN protocol When an analog call comes in the TA will send the call to the analog port as the factory default Phone 1 and then Phone 2 non data Digital Data The omni currently supports Circuit Switched Data CSD for ISDN data applications The CSD protocols supported by the TA include PPP MPPP V 120 X 75 and V 110 PPP is the most popular protocol used in North America it is used by most Internet service providers Once the TA answers a call it will examine the incoming data to determine which protocol to use and automatically switch to this mode The TA is able to auto switch for PPP MPPP V 120 X 75 V 110 and above protocols over the speech channel In most cases you can rely on the auto switching feature for your applications If you need more specific settings for answering calls refer to the section entitled Answering a Call using MSN found later in this chapter Determining th
22. directory number is not necessary any more The BACP BAP is supported on the client side only The server side of BACP BAP will be implemented in an upcoming release Related commands ATBPO Disable BACP BAP negotiation ATBPI Enable BACP BAP negotiation default fo NOTE The status of BACP BAP negotiation can t be saved in profile It s enabled after power on The status can be changed only by the power cycle of another ATBP command AT amp F and ATZ doesn t change the status Point to Point Protocol PPP 49 50 Point to Point Protocol PPP 8 v 110 and Synchronous Mode Communications V 110 is most popular in Japan The table below shows the specifications of different ISDN protocols A ol cel external Framing None NL V 120 No Async or Syne Yes Note Max Line 64Kbps 38 4 Kbps 64Kbps Speed 128Kbps Note 128Kbps AT Command ATBI1 amp M1 ATB10 ATBO Configuration Sync Data Transparent ATB11 amp M3 I1 ATBO1L T 70 V 25bis Sync HDLC NL ATB20 Note BONDING protocol for synchronous mode will be F W upgradeable at ZyXEL s option Answering a V 110 call Once you set the proper V 110 communication mode there is no need to configure the ISDN mode to the protocol of an incoming call The omni will be able to determine the correct protocol to use by examining the data coming in from the remote site if the device is set to auto answer or once an answer command is issued To allow the TA to answ
23. instructions below 1 Pick up the telephone handset 2 Press the Flash key and then press 2 on the phone keypad The other local phone will start to ring Handling Analog Calls non data 75 InterCom Tt gt P Flash gt amp 2 Call Waiting The call waiting feature enables you to place a call on hold by pressing the Flash key If you press the Flash key again the call waiting function will be disabled and return to the previous call Call Waiting Flash Placing a second call When you have an active call on line you may follow the procedures below to make a second call 1 Place the current call on hold by pressing the Flash key and 0 2 Dial the phone number of the second party and wait for them to answer Making a second call P Flash gt 0 555 1234 Receiving a second call If call waiting has been enabled you will receive a signal through the handset whenever a call is trying to come in while you are on line To enable the call waiting function use the AT Commands in the table below AT Commands ATS79 2 0 Disables call waiting for POTS port 1 ATS79 2 1 Enables call waiting for POTS port 1 Default ATS79 3 0 Disable call waiting for POTS port 2 ATS79 3 1 Enable call waiting for POTS port 2 Default Fs Note Ifyou disable the call waiting function S79 2 0 or S79 3 0 the second incoming call will be blocked fo Note If you configure the POTS port for Modem F ax connection S 79
24. listed below If any item is missing or damaged contact your dealer or ZyXEL Customer Service Department immediately e One omni ISDN Terminal Adapter e One power adapter external e Two RJ 11 telephone cables omni net 4 Introduction e One RJ 11 telephone cable omni net Internal e One RJ 45 ISDN telephone cable e One 6 shielded RS 232 25 pin to 25 pin cable external e One 3 5 driver and utility disk e One warranty registration card e One omni User s Manual How to Become a Registered Owner Complete the pre addressed registration card and place it in the mail Registered owners will receive future product information and update announcement Save your dated invoice as proof of purchase Introduction 5 6 Introduction 2 Installing omni External Models Although graphics are only displayed for the omni net all installation steps below apply to both the omni net and omni net Data ISDN Terminal Adapters unless specifically noted Front Panel You will find the following LED s on the front panel of the omni external models ZyXEL siwainet Figure 2 1 omni net front panel The LED Indicators PWR The power on LED lights up when the power is turned ON Installing omni External Models 7 LNK The Link LED lights u
25. no Ls MSN EAZ is matched T fe call accepted using a default protocol when no MSN EAZ is matched 0 te user rate 19200 bps if zs DTE speed greater than 19200 bps one user rate 38400 bps if DTE speed greater than 38400 bps 0 Enable normal MSN function 1 2 4 10 nN 5 Status Registers and Result Codes 143 Command bit dec hex Function and description Ref 32 20 Treat the number assigned by amp Zl n as sub address and match with the called_party_subaddress for inbound call routing 120 0 o Enable POTS port 1 callout __ 1 1 Disable POTS port 1 callout _ 0 o Enable POTS port 2 callout __ 2 2 Disable POTS port 2 callout __ Enable multi answering while TA MSN is not assigned Pie incoming calls according to AT amp Ln setting If 120 2 1 is set and the POTS port is busy calls will be routed to another POTS port If 120 2 1 is set and the POTS port is busy calls will be an rejected 4 0 Enable TA to accept global calls for a b adapter and ISDN data adapter and ISDN data i PPP jse nE o FF o ex o 0 Sub persist time interval 0 S125b1 6 is in Second unit 28 80 S125b1 6 is in Minute unit 0 0 Add threshold for BOD in Kbps unit N Nn N N N ll Il NR o QIN o Q O oo Qin a gt 144 Status Registers and Result Codes hi bese Pe a 127 oR threshold for BOD in Kbps JSn
26. separate Warranty Card for your Return Material Authorization number RMA Products must be returned Postage Prepaid It is recommended that the unit be insured when shipped Any returned products without proof of purchase or those with an out dated warranty will be repaired or replaced at the discretion of ZyXEL and the customer will be billed for parts and labor All repaired or replaced products will be shipped by ZyXEL to the corresponding return address Postage Paid USA and territories only If the customer desires some other return destination beyond the U S borders the customer shall bear the cost of the return shipment This warranty gives you specific legal rights and you may also have other rights which vary from state to state i Copyright 1997 by ZyXEL The contents of this book may not be reproduced in any part or as a whole or transmitted in any form or by any means without the written permission of the publisher Published by ZyXEL Communications Corporation All rights reserved Note ZyXEL does not assume any liability arising out of the application or use of any products or software described herein Neither does it convey any license under its patent rights nor the patents rights of others ZyXEL further reserves the right to make changes in any products described herein without notice This document is subject to change without notice Acknowledgments Trademarks mentioned in this manual are used for in
27. type of number denotes international 2048 jpacket number of octets Inquire current setting of ATCLn CN lt prefix gt Prefix number string to be added to the Calling party number before indicating to the DTE when the type of number denotes national Loopback 4 control CPO Disable Loopback 4 CP1 Enable Loopback 4 CRn n 0 3 Resumes a previously suspended 0 call n is the call identifier Europe CEn Call bumping Call bumping for MPPP and CCB CEO Disable Call bumping function 9 CH n 0 3 Suspend a call n is the call identifier 0 Europe Clear buffer and start the embedded protocol analyzer Capture data immediately and start timer C Invoke the interpretation function of the embedded protocol analyzer and display the results on DTE 112 AT Command Set Reference Function amp Description Dial s numbers and options that follow see also 38 0 35 4 The options of s are listed as follows Pause for a time specified in S6 Remaining digits will be dialed as in band DTMF Type of sub address NSAP with AFI 50 IA5 characters Ref od ey as has regina ona IAS characters Unknown numbering plan ccnTE ree Ia CCITT E 164 E 163 fog X 121 Oooo imiters National standard numbering plan Private numbering plan Called party sub address delimiters Format Yn Nn called_party_number of s W inband_dtmf_number or Yn Nn called_party_Numbe
28. user s authority to operate the equipment Shielded RS 232 cables are required to be used to ensure compliance with FCC Part 15 and it is the responsibility of the user to provide and use shielded RS 232 cables The declarations of CE marking CE The omni series has been approved for connection to the Public Switched Telecommunication Network using interfaces compatible with ITU TSS recommendation I 420 Basic Rate ISDN user access The omni series complies with the following directives 1 The Council Directive 89 336 EEC of 3 May 1992 on the approximation of the laws of the Member States relation to Electro Magnetic Compatibility EMC Directive 2 Council Directive 91 263 EEC of 29 April 1991 on the approximation of the laws of the Member States concerning telecommunication terminal equipment The Telecom Terminal Equipment Directive iv 3 93 68 EEC of 22 July 1993 amending the Directives 89 336 EEC 91 263 EEC and 92 31 EEC Marking Directive Council Directive 73 23 EEC and 93 68 EEC of 26 Dec 1996 on the harmonization of the laws of the Member States relation to electrical equipment designed for use within certain voltage limits The Council Directive 92 31 EEC of 28 April 1992 amending directive on the approximation of the laws of the member states relating to Electro Magnetic Compatibility Contacting ZyXEL If you have questions about your ZyXEL product or desire assistance contact ZyXEL Communications Co
29. 1 Called Party Number 81 Called Party SubAddress 81 Calling Party Number 81 83 84 Calling Party SubAddress 81 CAPI 3 43 44 68 107 111 CCB 62 63 CCITT 116 124 134 137 Circuit Switched Data See CSD Command mode 25 Communication modes AT commands 29 Switching 29 connecting 7 9 CSD 30 D channel 101 119 142 Data call indication 89 Data over Speech bearer 61 68 DDI 91 Diagnostics 103 Dialing pre stored numbers 63 Direct Dial In See DDI DSS1 69 Answering a call 87 Placing a call 91 DTE 65 EAZ 85 86 assigning 85 ENDGERATEAUSWAHLZIFFER See EAZ EPROM 1 3 error correction 64 European ISDN 65 69 101 factory settings restoring 9 firmware 1 3 23 101 102 120 Frame Reject Frame See FRMR FRMR 31 front panel switch 9 German national ISDN 101 Germany National ISDN 66 hardware reset 21 HDLC 29 53 59 67 103 121 140 High Layer Compatibility 34 81 82 89 146 inbound calls See Answering a call Disabeling 91 ISDN protocols 53 ISO Standard 71 Kernal Mode 102 LAPD 64 LED 3 7 13 LNK 13 PWR 13 Level 1 security 95 96 Level 2 security 95 96 LLC 69 Loopback 103 104 115 117 124 157 Loopback test 104 Low Layer Compatibility 34 65 69 81 82 89 See LLC making a call See Placing a call metering pulse 3 74 143 MLP 3 62 63 69 143 152 MLP Multiple Link Protocol 63 mode command 25 off line 25 on line 9 modes 64k data 60 an
30. 2 SECUNICY snee a pa E E a 94 Level 3 SCCUNICY css syaaichiagsiiviaavedGesniyaiiccadeaiuaaestedbecadyadiedenteadens 94 Setting and Modifying Passwords cccsssssssssssccssssssees 95 Non password Auto Call Back Function sccccccsssssees 96 14 Upgrading Your OMNi cccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 98 Upgrading with Flash EPROM ssccccccssssssssssssseccesssees 98 Weemel MOG saiecssficichobiantteceteeadeatein scans A 99 15 DIAQGNOSUGS aa aaaea aran aea aaaea re eaaa aaaea 100 DTA ENOS TIES s ssepecasvseassnsedasceeasaenncsseseccousuabancsscossecesuvennesseasseers 100 Power on Self CS ast it dence setter tendons teinitbab iain 101 ISDN Loopback test AT amp T9 eccecsecteeseoneeneeneeneeneeses 101 Loopback with Self test AT amp T10 ee eeeeeeeeeneeeeeeee 101 B1 B2 Loopback with Self test AT amp T11 eee 102 The Diagnostic Command ATCG ee eeeseeeeeeeeneeeeeeee 102 Resetting The omni sssssscccsesssssooccccesssssssoocccsessssssoocceseee 103 Using The Embedded Protocol Analyzet sssseeeees 103 Capturing the Protocol Dataste c testes Gee ithesetedeeties 104 Analyzing the Captured Data eeeeeessseeeeeeenneeeeeees 105 16 AT Command Set Reference cccccsesseseeeeeeeeeeeees 108 Operation Modes of the DTE Interface ssccccccsssees 108 Simplex TAOS 2 055555 dc ci ei a REES 108 M ltiplex MRE eo cag eaaeo era E aaa E rioa 108 AT
31. D lights up when the POTS port 2 telephone handset is off hook 8 Installing omni External Models Front Panel Switch When the TA is in command state pressing the front panel button causes it to dial the default phone number pre stored in the NVRAM The default number pointer to the telephone directory is assigned by the AT Dn command When the TA is on line pressing the button will tear down the connection and bring it into command state To restore the TA to its factory default settings and initiate the loop back test turn the power ON while pressing and holding the switch Continue holding the switch for 3 to 5 seconds after turning the power ON Back Panel You will find the following switch and connectors on the back panel of the omni external models A T AA hh N FF POWER T BTE ISBN PHONE PH NE2 Figure 2 1 omni net Back Panel ON OFF Power switch turns the omni ON or OFF POWER Input terminal for power adapter To DTE Serial port DB 25 female connector for connection to the serial port of a DTE computer terminal ISDN ISDN RJ 45 terminal jack connects to a S T interface or a U interface PHONE 1 omni net RJ 11 terminal jack for analog adapter 1 for connecting to analog equipment phone fax answering machine etc Installing omni External Models 9 PHONE 2 omni net RJ 11 terminal jack for analog adapter 2 for connecting to analogue equ
32. Diagnostics 107 1 6 AT Command Set Reference Operation Modes of the DTE Interface There are two operation modes for the DTE interface e Simplex mode used for conventional AT Command operation e Multiplex mode used as an internal interface for ZyXEL CAPI drivers Simplex mode In simplex mode the TA128 is used just like an ordinary TA The DTE interface will be either in the command state or in the data state At most only one data connection session is possible at any time A number of different AT Commands can be used to invoke various functions The simplex mode is designed for AT Command users The guides and descriptions throughout the rest of this manual if not otherwise specified are applicable to this mode The power on default of the DTE interface is in simplex mode as well Multiplex mode The multiplex mode is designed for ZyXEL CAPI drivers It can also be used by third parties to develop various drivers on different platforms for public domain or for commercial purposes The commands or data are packetized Each packet has its own destination address All the DTE channels can be accessed individually by way of multiplexing Since it is not intended for all users the specifications and manual for the multiplex mode will be available in a separate text file and will only be available in the electronic format upon request 108 AT Command Set Reference AT Command Descriptions An AT Command is a command i
33. Disable inbound call connection In some cases the user may desire the TA to not answer any incoming calls This can be done by setting the bit 0 of S register S118 e 118 0 0 Enable the TA to answer a call by default e 118 0 1 Disable the TA to answer any call 88 Advanced ISDN Call Control Point to Point Configuration In some areas since Direct Dial In DDI number is less expensive than MSN users may want to subscribe to point to point ISDN to employ the DDI function In this case only one TA can be connected to the ISDN line and the TEI Terminal Equipment Identifier is always ZERO This can be done by setting the bit 1 of S register S119 119 1 0 Disable point to point DDI function default 119 1 1 Enable point to point DDI function Placing a Call To initiate a call configure the TA according to the Bearer Service or protocol you want to use e ATBnn for ISDN data calls Placing a call for DSS1 The ATDx command is used for dialing as follows ATDx Yn Nn called_party_number Zn called party subaddress x I for ISDN data calls A for the analog adapter 1 or B for the analog adapter 2 Yn specifies the type of number e YO unknown default if Yn is omitted e Y1 international number e Y2 national number e Y3 network specific number e Y4 subscriber number Nn is the identifier of numbering plan Advanced ISDN Call Control 89 e NO unknown default i
34. Disable outgoing Low Layer Compatibility default 80 n 1 Enable outgoing Low Layer Compatibility 80 Advanced ISDN Call Control Example ATS80 4 0 disables Low Layer Compatibility message for Analog Port 2 omni net Control of ISDN Phone Number and Sub address The Calling Party Number information element identifies the origin of a call and the Called Party Number information element identifies the destination of a call The Calling Party Subaddress information element identifies the Subaddress associated with the origin of a call The Called Party Subaddress information identifies the Subaddress of the destination call Each type of outgoing call can be assigned with one Number Subaddress pair by using the command AT amp ZOx s The possible values for x are as follows e x I for ISDN data calls e x A for the analog adapter 1 non data e x B for the analog adapter 2 omni net The number Subaddress string s is defined as s Yn Nn own number Zn own Subaddress where Yn specifies the number type e YO unknown default if Yn is omitted e Y1 international number e Y2 national number e Y3 network specific number e Y4 subscriber number Nn is the identifier of numbering plan e NO unknown default if Nn is omitted Advanced ISDN Call Control 81 e N1 ISDN numbering plan Rec E 164 default for Australia if Nn is omitted e N3 data numbering plan Rec X 121 e
35. If you press Y you will see the screen below Installing omni Internal Models 17 8 If you have more than one card installed use the arrow keys to select the card you want to configure When you have made your selection press Enter 9 From the Properties dialogue box press Enter select the desired port and press Enter again 10 To change the IRQ arrow down and press Enter choose the desired IRQ and press Enter 11 Press F2 to complete the configuration and save your settings or press Esc and type Y to abort Connecting to Your ISDN Line The omni comes with a choice of two types of ISDN line interfaces e S T interface This can only connect to your NT 1 Network Termination device Warning Do not under any circumstances connect directly to the ISDN wall jack e U interface This allows you to connect directly to your ISDN wall jack Warning The ISDN jack is for ISDN line connection only Connection of a phone line may result in damage to your Terminal Adapter 18 Installing omni Internal Models Attention La fiche ISDN est destin e uniquement pour la connexion Sur une ligne RNIS La connexion sur une ligne t l phonique peut endommager votre adaptateur de terminal U Interface Model If you have purchased the U interface model you can connect the U Interface directly to the wall jack In most cases the ISDN jack installed by the phone company is a RJ 11 jack except in Canada where RJ 45 jack will
36. N4 telex numbering plan Rec F 69 e N8 national standard numbering plan e N9 private numbering plan Zn specifies the Subaddress type e Z0 NSAP Rec X 213 with AFI 0x50 IA5 characters default if Zn is omitted e Z2 user specified IA5 characters The command AT amp ZOx will remove the Number Subaddress assignment The number and subaddress assigned by AT amp ZOxs s if any will be used for Calling Party Number and Calling Party Subaddress information elements respectively while dialing The default settings of the phone number and subaddress of all types of calls are UNASSIGNED meaning the SETUP message sent by the TA128 contains neither Calling Party Number nor Calling Party Subaddress information elements The command AT amp ZO can be used to browse the current settings of the own numbers and subaddresses Call Control for 1TR6 Old German ISDN In order to initiate an 1TR6 ISDN call two information elements are necessary e Service Indicator Determines what kind of bearer services are desired 82 Advanced ISDN Call Control e Destination Address Provides information for the telephone company to direct the call to the remote party Control of Outgoing Service Indicator The Outgoing Service Indicator will be assigned when you configure the B channel protocols using the command ATBnn Since there are a number of combinations of voice or voice band data services on the analog ada
37. OTS port 1 is connected to a telephone 5 POTS port 2 is connected to a telephone 0 Do not send Low Layer aie Compatibility information for f ISDN data call C onae for ISDN data call 7 we Do not send Low Layer Compatibility information for Phone 1 E e for Phone 1 S82 Idec ISDN B channel protocol 60 v 12064000 61 _ v 12056000 62 X75 64000 Transparent 63 X75 56000 Transparent _ 64 X75 64000T 70 65 X75 56000T 70 Status Registers and Result Codes 135 Command hex Function and description X 75 64000 BTX Q V 110 64000 V p lt e Nn Nn D D S w gt x lt QIQI A P 110 56000 PPP async to sync 64K PPP async to sync 56K conversion 64K i conversion 56K Jal ulial sis si iana bit Q ec hex Bit mapped register Disable loopback 4 test Enable loopback 4 test l ISDN without V 42bis K00 E applicable mapped to ATDMs F 5 N mapped to ATDIs mapped to ATDBs US only 0 Bearer Service See a Bearer Service bit dec bex ooo l 0 2 Embedded Protocol Analyzer CCn control 136 Status Registers and Result Codes iN a D oo N bo 0 Command bit dec hex Function and description 1 Capture DTE DCE interface protocol information 4 Capture D channel protocol Plamen decimal format ie aie format P ona mesage oae RING message E answering an analog call answering an analog
38. Outgoing Service Indicator The High Layer Compatibility and Low Layer Compatibility information provides a means for compatibility checking by the called party They are transferred transparently by the ISDN network between the call originating entity e g the calling user and the addressed entity Advanced ISDN Call Control 79 Outgoing High Layer Compatibility can be controlled by setting the value of S register S 108 n as follows e n 0 S108 Setting for analog adapter 2 omni net e n 2 S110 Setting for ISDN data calls e n 3 S111 Setting for analog adapter 1 non data S 108 n No High Layer Compatibility info element will be sent default Telephony Facsimile Group 2 3 Teletex service Rec F 220 Teletex service Rec F 200 50 International interworking for video services Rec F 300 and T 110 Telex service Rec F 60 56 Message Handling Systems MHS Rec X 400 series OSI application Rec X 200 series Example ATS111 4 sets Fax compatibility message for Analog Port 1 Bearer Capability and Low Layer Compatibility information elements will be determined when you configure the B channel protocols using the command ATBnn The outgoing Low Layer Compatibility information element can be turned on or off by setting S80 bit n as follows e n 4 for the analog adapter 2 omni net e n 6 for ISDN data calls e n 7 for the analog adapter 1 non data 108 n 80 n 0
39. PP is active The omni drops one of the channels automatically and uses it for voice calls Once a voice call ends the TA automatically reestablishes the channel For fully disconnecting with the central switch there is a delay time between on hook phone and channel reestablishment The delay for reestablishing the channel is 10 seconds During call bumping the Point to Point Protocol PPP 47 traffic for BOD is still under calculation In other words the add persist time is calculated from the time when the traffic is above the add threshold whether or not the phone is on hook or off hook However it won t dial until the phone has been on hook for 10 seconds Call bumping works for both client dialing side and server answering side However the channel reestablishment is only effective on the client side Related commands ATCEDO Disable the call bumping function ATCEI Enable the call bumping function default Bandwidth On Demand BOD The function of bandwidth on demand BOD will monitor the traffic on ISDN links while Multilink PPP If there is light traffic on the link one of the channels will be dropped automatically On the other hand if only one B channel is used and data traffic is high enough BOD will establish the second B channel to increase the bandwidth of the data link The wait for the second B channel s carrier is 60 seconds If the second B channel can t be connected successfully the BOD will
40. Port 2 speed bps configured by AT command o 3000 A 7600 8400 9200 6 6 o0 A 3 ATDSn initiates auto dial of the stored numbers consecutively until connection is made 16 10 DSR follows DTR see also amp S1 S41 5 Status Registers and Result Codes 133 Command bit dec hex Function and description __ Ref S50 0 Inactivity timer for RS 232 a is Port Each unit 10 sec 000 disables S56 0 0 Hook flash detect time for 255 FF Analog Adapter POTS port units 10ms S6l pit dec nex CT o Rar irc EE 1I MP data sent in split mode _ _ Security callback timer in unit 005 55 FE of 1 second Bit mapped register Ignore POTS port 1 global incoming call when port 1 is busy Discard POTS port 1 global incoming call when port is busy Sending RELEASE COMPLETE Ignore POTS port 2 global incoming call when port 1 is busy Discard POTS port 2 global incoming call when port 1 is busy Sending RELEASE COMPLETE POTS 1 call waiting multiple answer disabled POTS 1 call waiting multiple answer enabled POTS 2 call waiting multiple answer disabled POTS 2 call waiting multiple answer enabled 134 Status Registers and Result Codes 20 POTS port 2 is connected to a fax modem 7 Sending RELEASE COMPLETE with cause user busy for ATH 1 S80 4 0 Do not send Low Layer Compatibility information for Phone 2 oP Verne a for Phone 2 4 0 P
41. T Command ATCDn ees Disable the capture of D channel protocols CD1 Enable the capture of D channel protocols default ATCBn ere ees Disable the capture of B channel protocols default Enable the capture of B channel protocols ATCCn a arenes CBO CCO Disable the capture of DTE DCE interface protocols default CCl Enable the capture of DTE DCE interface protocols The EPA starts to capture data when the command ATCT is issued This capturing process will continue until the command ATC is issued The EPA maintains 8 Kbytes RAM as a ring buffer In case the buffer is full the earliest data captured will be overwritten by the latest data Analyzing the Captured Data To view the analyzed result use the command ATC For your convenience the relevant AT commands are summarized as follows ATCT Clears buffer and starts the embedded protocol analyzer Captures data immediately and starts the timer Diagnostics 105 Invokes the interpretation function of the embedded protocol analyzer and displays the results on the DTE screen The analyzed results can be viewed as if it were in a full screen editor Several number keys are used to control the display For PC users it is convenient to use the keys on the numeric keypad make sure that Num Lock is on The functions of the control keys follow 8 Cursorup Scroll one line down 9 Pageup Display the previous page 106 Diagnostics
42. The embedded protocol analyzer EPA records and analyzes various protocols on the B channel D channel and DTE DCE interface The EPA is designed for hobbyists as well as users with technical backgrounds The EPA enables you to examine messages exchanged between your TA and the Central Exchange office when making an ISDN call You can review the packets sent or received through the B channel for X 75 or V 120 to or from the remote site AT commands issued from an application software program can also be checked This will help you understand their causal relationship with other events In addition to its tutorial purpose the EPA is very useful for diagnostics If you have compatibility problems with your Central Exchange or with a TA at a remote site the EPA will be your first aid Diagnostics 103 resource According to the EPA s analysis you may decide to fix the problem yourself e g modify the configuration and try again or log the analyzed results as a file a very comprehensive bug report and then send it to ZyXEL s Tech Support department Capturing the Protocol Data The data captured by the EPA can be classified into three categories e B channel user data protocols e D channel signaling protocols e DTE DCE protocols The D channel signaling protocols include layer 2 and layer 3 call control protocols Frames and messages exchanged via the D channel are all recorded for further analysis These data messages are esse
43. X 75 call There is no need to configure the ISDN mode to the protocol of an incoming call The omni will be able to determine the correct protocol to use by examining the data coming in from the remote site if the device is set to auto answer or once an answering command is issued One exception to this is when the ISDN data call is carried through Speech bearer In this case you would need to make an MSN entry for the phone number from which you are expecting the Data over Speech bearer call Use AT amp ZI0 n Refer to the section entitled Data over Speech Channel in Chapter 5 for details To allow the TA to answer the incoming call you need to set SO to a value greater than 0 ie ATSO 1 The TA will answer the call and use asynchronous to synchronous conversions to and from the DTE If SO is not set SO 0 the DCE will report RING to your terminal External models will also make an audible ring notification Making an X 75 Call CAPI 1 1a specifies X 75 with T 70 NL as its default CAPI 2 0 specifies X 75 with transparent layer 3 as its default The default data protocol of the TA is ATB20 V 120 X 75 protocols can be chosen using the following AT commands e ATBO0O0 X 75 with transparent layer 3 e ATBO1I X 75 with T 70 NL The ATBOx commands not only specify the outgoing protocol but also set the default layer 3 for an incoming X 75 call without layer 3 information It is important for both ends of an X 75 co
44. You can check to see if the DTR LED is on when the terminal program is active In most cases if the terminal program is active and ready to communicate with the port that the TA is connected to it will activate the DTR signal This will cause the DTR LED to light up If the DTR LED is not ON you will need to check the program s settings The communication speed can be set to anywhere between 2 400bps and 460 800bps but 115 200bps is a good default value The TA will automatically adjust its speed to match your communication speed Once the terminal communication program is ready you can type a simple command to see if the TA responds Type AT lt Enter gt TA should respond OK Type ATI lt Enter gt TA should respond 1281 Type ATI1 lt Enter gt TA should respond omni model USA V 1 00a Firmware version number 7607 Firmware checksum will change based on your firmware version OK 22 Configuring Your ISDN Line and Network Once the TA accepts the commands that you typed it is ready to be programmed and ready to operate with your ISDN network If you do not receive any response from the device go over your installation procedures again or contact ZyXEL Technical Support Configuring Your ISDN Line and Network 23 24 Configuring Your ISDN Line and Network 5 ISDN Communication Basics In this chapter we will cover how to initiate and receive calls over digital lines using your TA Understand
45. al transmission in most personal computers is still character oriented also known as asynchronous transmission In order for an ISDN router and PC to communicate it s necessary to do asynchronous to synchronous conversion The omni can be used as a bridge Any data from a PC to a ZyXEL TA will be converted from asynchronous to synchronous form and vice versa PPP HDLC framing is described in RFC1662 PPP over ISDN is described in RFC1618 Related command e ATB40 Async to Sync PPP conversion Authentication conversion After a link is established it is necessary to authenticate the peer for security reasons There are two popular authentication methods One is Password Authentication Protocol PAP and the other is Challenge Handshake Authentication Protocol CHAP PAP is less secure because it transmits the username password in plain text form Unlike PAP CHAP transmits the username password in coded form Some ISPs may support CHAP as the only method for authentication For those applications which do not support CHAP the omni converts PAP into CHAP By default the PAP CHAP conversion is always activated so the authentication from the TA to PC is always PAP That means you must configure your software to accept plain text as password authentication Do not worry about password leakage the TA will send the password out in hashed form Point to Point Protocol PPP 45 by CHAP Sometimes CHAP can not be supported by the ISP You
46. alls 54 V 120 Bundled calls 62 configuring 60 error correction 64 European ISDN 65 Germany National ISDN 66 Placing calls 59 V 42bis data compression 70 voice 89 Voice Calls 89 Warranty ii Windows 95 2 X 75 Answering 68 Bundled calls 69 Placing a call 68 XID 71 Xmodem 102 120
47. and then pick up phone set 1 i Off hook action is detected Hook Interrupt OK Listen to the dial tone and then dial 1234567890 in sequence 1234567890 102 Diagnostics Dialed digits detected please hang up the handset On hook action is detected Hook Interrupt OK Listen to the RING and then pick up phone set 2 Off hook action is detected Hook Interrupt OK Listen to the dial tone and then dial 1234567890 in sequence 1234567890 Dialed digits detected please hang up the handset On hook action is detected Hook Interrupt OK Listen to the prompt signal of the Internal Speaker and then press the button tt Button switch is pushed Button Interrupt OK Resetting The omni If you have modified the TA s setting and cannot get it back because the unit is locking up or you just want to reset it back to the factory default state the following reset procedure will help you to reset the TA back to the factory default state Hold the DATA VOICE button down while turning the unit ON keep holding down the switch for 3 seconds after the power switch is turned ON then release the switch TA will reset itself back to the factory setting and it will also run a continuous loop back self test Printable characters will show on the terminal screen if it is connected to one Finally toggle the power to the TA off then back on Using The Embedded Protocol Analyzer
48. apter Phone 2 Placing a Call from the Analog Adapter Making a call from the analog adapter is as easy as picking up the telephone connected to the analog port and dialing With a terminal program you Type s assistance you can also use the TA to dial the number for ATDB714 693 0808 lt Enter gt Dial the number TA responds CONNI ECT Dialing is complete Now just pick up the phone handset and wait for the remote device to answer 72 Handling Analog Calls non data Use ATDAs ATDBs to place a call from analog adapter 1 analog adapter 2 Once the analog adapter s hook sensor detects that the telephone device s handset is off hook it sends a SETUP message to the ISDN central exchange to request a connection One B channel if available will be assigned to this connection and the exchange will wait for the dialed number to route the call At the same time a dial tone is presented to the adapter port to prompt the user to dial Both tone and pulse dialing are accepted A busy tone will be heard on the handset if e AB channel is unavailable e The dialed number is undeliverable e The called party is busy e This indicates the failure of the attempt to connect To place another call hang up the phone then pick up and try again If the called party is being alerted a ring back tone will be heard Accepting an Incoming Call Voice calls will be sent to one or both of the POTS ports Phon
49. ault e AT amp K44 Enable CCP negotiation 46 Point to Point Protocol PPP Multilink PPP There are two B channels in basic rate ISDN This offers the possibility of opening multiple simultaneous channels between systems giving users additional bandwidth on demand Multilink PPP is a method for bundling both B channel into one PPP link for higher throughput It must be negotiated in the link establish phase by both peers If Multilink PPP is negotiated successfully the second link will be dialed after the first link reach network phase In some countries the directory number is not the same for both channels For dialing the second B channel with a different directory number both numbers must be obtained before dialing out unless the peer supports BACP BAP which will be described later in this chapter Multilink PPP is described in RFC1990 Related commands e AT amp J3 Enable Multilink PPP e ATDI lt num1 gt lt num2 gt Dial Multilink PPP with num1 twice or with num1 and num2 if they differ e ATS61 3 0 Use rotate method to bundle both channels default e ATS61 3 1 Use split method to bundle both channels e ATEPDn lt num gt Set End Point Discriminator EPD for class n 0 5 I is not required to change the default settings in most cases unless your ISP provides these values Call bumping You can place or answer a voice call from a device that is attached to one of the POTS ports while Multilink P
50. be installed and the U Interface jack on the back of the omni is a RJ 45 jack A RJ 45 to RJ 45 or RJ 11 to RJ 45 depends on your regional distributor s request phone cable is included with your TA To connect your U interface omni to your ISDN line complete the steps below e Connect the RJ 45 connector to the ISDN U jack on the omni e Connect the other end of the RJ 45 cable or RJ 11 to your wall jack S T Interface If you have purchased the omni S T model you will need an NT 1 device to connect to the network To connect your U interface omni to your ISDN line complete the steps below e Connect the RJ 45 connector to the ISDN S T jack on the omni e Connect the other end of the RJ 45 cable or RJ 11 to your NT 1 Installing omni Internal Models 19 Line Jena NT 1 Device Figure 3 5 omni net Internal Card Installation S T interface Power On and Self Diagnostics Upon power up the omni will perform a series of self diagnostics If the test routine fails the LED will flash Refer to Chapter 15 for more information on self tests and error codes fs NOTE The omni takes longer to initialize than a regular TA because it requires that communication first be established with your local Switch when it is powered on 20 Installing omni Internal Models 4 Configuring Your ISDN Line and Network The set up procedure for the omni needs to be don
51. call it_ dec hex FQ DCA function disabled E Ft DCA function enabled E FQ Add persist time interval 0__ S85b1 6 is in Second unit _ KASn 80_ S85b1 6 is in Minute unit ec hex D channel protocol selection USA The following number is valid only for American version eae ciation ISDN Foe ee ISDN 1 1 SPID mode mode 3 8 Reserved Status Registers and Result Codes 137 2 Capture B channel X 75 or V 120 frames Command bit dec hex Function and description 4 AT amp T proprietary point to point ee proprietary point to multi point 1 SPID mode AT amp T custom point to multipoint 2 SPID mode Enable POTS port 1 to receive global calls global calls global calls global calls conversion conversion Bundle connection is disabled amp Jn i answer mode only ee moa ony eare call mode only both directions DTE port 2 only answers the matched MSN incoming data DTE port 2 answers incoming calls when DTE port 1 is busy bit dec hex Bit mapped register Disable the metering pulse of analog adapter Phone 2 138 Status Registers and Result Codes analog adapter Phone 2 analog adapter Phone 1 Command bit dec hex Function and description analog adapter Phone 1 dec hex B channel bundling protocol selection cFossil channel bundling for European Switches only cFos Outgoing ISDN data type Value has the same definition as S82 Outgoing
52. ck the Start button then choose Settings and then click Control Panel 2 Double click on the Modems icon then click the Add button The following dialog box will appear Install New Modem Windows will now try to detect your modem Before continuing you should 1 If the modem is attached to your computer make sure it is tuned on 2 Quit any programs that may be using the modem Click Next when you are ready to continue 3 Select Don t detect my modem I will select from a list Then click Next Setup for Windows 95 and NT 4 0 35 Install New Modem Click the manufacturer and model of your modem If your modem is not listed or if you have an installation disk click Have Disk Manufacturers Models Standard 300 bps Modem Standard 1200 bps Modem Standard 2400 bps Modem Standard 9600 bps Modem Standard 14400 bps Modem Standard 19200 bps Modem Standard 28800 hns Modem x Have Disk lt Back Cancel 4 Click the Have Disk button he if s installation disk i els e ane st endtenckkok DN Cancel Copy manufacturer s files from ey X Browse 5 Insert the ZyXEL Windows 95 driver disk into your floppy drive and click OK If you have downloaded an updated INF file from ZyXEL s FTP website or BBS use Browse to find the location of the updated INF file click Open then click OK Install New Modem Click the manufacturer and model of your modem I
53. ction ps OOOO 7 Make sure your TA appears in the Connect Using box Then click on the Server Type button My Connection PPP Windows 95 Windows NT 3 5 Internet ha al M a e These options are mostly host or server specific e If you are using PPP use the default settings shown above e If you are connecting to a LAN then select Login to Network 40 Setup for Windows 95 and NT 4 0 e If you are logging on to a Microsoft Windows network select NetBEUI e If you are logging on to a Novell network then select IPX SPX Compatible e If you are logging on to an Internet connection then select TCP IP 8 Click on TCP IP Settings TCP IP Settings 71x Server assigned IP address Specify an IP address P address Secondary DNS 0 0 0 0 Primary WINS o ao a a0 Secondary WINS 9 90 90 0 IV Use IP header compression IV Use default gateway on remote network cms If your host requires you to specify an IP address Static IP then click on the Specify an IP address radio button and enter your IP address Otherwise leave the Server assigned IP address checked Most servers assign an IP to you when you log in Click the Specify name server address radio button and enter your primary and secondary DNS Domain Name Server IP Obtain the DNS numbers from your ISP In most cases you should leave Use IP header compression and Use default gateway o
54. curity functions described in the previous section the omni provides another simpler call back function The Calling Party Number origination address will be checked against the 5 pre stored call back numbers before the B channel is connected If the CPN is matched with any one of the numbers the incoming call will be rejected without connection hence without any charge and the TA will automatically call back using the matched phone number This function can be controlled using the following commands AT GCO disable the auto call back function default AT GC1 enable the auto call back function The pre stored numbers can be set using the following command AT HCn xxxx n 0 1 4 You will be prompted to enter the supervisory password first The AT VC command can be used to list all the pre stored numbers 96 Security Functions Security Functions 97 14 Upgrading Your omni This chapter describes how to upgrade flash EPROM firmware when it is available Upgrading with Flash EPROM Your TA employs a flash EEPROM Electronic Erasable Programmable Read Only Memory that lets you conveniently update firmware and program the TA with new features and enhanced functions If you use Windows use the ZyXEL Internet Configuration Manager to upgrade new firmware For other Operating Systems use a terminal program that supports the X modem protocol Obtain the new firmware from ZyXEL s BBS WWW or FTP site See Contacting Z
55. d by combining all of the commands onto one line as follows AT amp B20 amp E1 amp WZ0 lt Enter gt Dialing in V 120 mode Finally use the ATDn command to make the call n is the phone number you wish to dial Once the connection is made you should see the following connect message CONNECT 115200 V120 56000 LAPD This indicates that the connection is made with e DTE speed of 115 200bps e V 120 Protocol e Data Speed of 56 000bps e Error Control LAPD Answering incoming calls In most cases there is no need to configure the TA to properly answer calls The TA is able to decide which protocol to use by detecting the type of data that is coming in All you need to do is set SO to greater than or equal to 1 so the TA will automatically answer an incoming call If SO 0 the DCE will simply report RING to your terminal External models will also make an audible ring notification One exception to this is when the ISDN data call is carried through Speech bearer In this case you would need to make an MSN entry for the phone number that you are expecting the Data over Speech bearer call Use AT amp ZI2 n Refer to the section entitled Data over Speech Channel in Chapter 5 for details V 120 ISDN Communications 59 Speeds of 128Kbps BRI ISDN consists of three 2B D logical channels Each B channel can be used independently for a dial up connection running at 56Kbps or 64Kbps bits per second The two
56. dle SLIP Protocol Status Registers and Result Codes 147 Connect Strings for Error Corrected Connections To enable the following numerical AT VO and verbose ATV 1 result codes when an error corrected connection is made set S35 bit 7 tol ATS35 7 l1 lt enter gt 50___ CONNECT 54 CONNECT 7200 60 CONNECT 21600 148 Status Registers and Result Codes Status Registers and Result Codes 149 18 Phone Jack Pinout Assignments The omni features one RJ 45 phone jack and two RJ 11 phone jacks The RJ 45 labeled ISDN S jack is for ISDN line connection S T interface and the RJ 11 jack labeled PHONE also known as an analog adapter in European countries is for an optional connection to analog telephone equipment such as a telephone set answering machine fax machine or analog modem RJ 45 Connector for the S T Interface Model Not Connected Not Connected RCV XMT XMT RCV 48V 48V RTN RJ 45 Connector for the U Interface Model Not Connected Not Connected Not Connected Ring Tip Not Connected 48V 48V RTN RJ 11 Analog Adapter Phone 1 amp 2 non data 1 Not Connected 2 Ring 3 Tip COO ee e 22 sl ON ee aa E 150 Phone Jack Pinout Assignments 4 Not Connected Phone Jack Pinout Assignments 151 19 Serial Port Interface EIA 232D 25 Pin Serial Port Interface ITU TSS Signal Pin Signal Number Signal Signal Description Direction Name DTE DCE PO feo e GND
57. e 92 Advanced ISDN Call Control 13 Security Functions The omni provides security functions that may be enabled to prevent unauthorized connections Two types of security functions are provided Security Types and Levels Type 1 security is to be used when the remote TA is a ZyXEL ISDN TA Type 2 security is to be used with non ZyXEL remote TA s With a Type 1 connection the dial in remote TA will send in its supervisor password for matching with the local omni s pre stored password list With a Type 2 connection the remote terminal will be prompted to enter the password at the initial connection and the local omni will match the entered password with the pre stored password list The two types of security are summarized in the table below Type 1 Security Type 2 Security Remote Calling ZyXEL ISDN device Can be TA of any Site only brand Password Check Protocols X 75 V 120 Any data protocol Supported AT Commands G1 for Level 1 G3 for Level 1 security security G2 for Level 2 G4 for Level 2 security security G5 for Level 3 security Security Functions 93 Level 1 security Will only perform password checking With Level 1 security the local TA will maintain the connection if the password is matched otherwise the line will be disconnected Level 2 security Provides Calling Party Number checking and call back the call back number is pre stored in the password table If the password
58. e 1 and Phone 2 when they are received You can choose the POTS port you want to receive calls by setting the MSN AT amp ZIn s as 6699 described in the previous table to a specific phone number s Sometimes the TA is not able to tell which POTS port to route the incoming voice call By default ATS 120 2 0 the TA will alert both ports and the first available port will answer Otherwise ATS120 2 1 an ambiguity resolution bit Bit 5 of S84 or amp Ln is used to determine the path e AT amp LO Phone 1 has the higher priority e AT amp L1I Phone 2 has the higher priority Scenarios of an Incoming Voice Call Handling Analog Calls non data 73 Phone 1 Phone 2 Global Call 120 2 AT amp Ln MSN MSN No Called Default 0 Default Phone 1 Phone 2 Matched Matched Party No n 0 v Zan ee pelea ee sides 1 tg Unassigned Unassigned _ net Ring ec a ea i The default MSN sub address or EAZ for 1TR6 Old German ISDN of the a b adapters are as follows e Phone 1 EAZ 4 amp ZI7 4 e Phone 2 EAZ 3 amp ZI6 3 A global call is an inbound voice call without the information of destination phone number Called Party Number which happens more often than not on some switches when the calling site is on the PSTN analog telephone By default the TA will route the global call to both the POTS ports make them alert The one that picks up the phone earlier answers the call
59. e Packet Length The user s information is sent on a frame by frame basis for V 120 and X 75 Sometimes we call it packetized The maximum frame length on the sending side should not exceed the maximum frame 30 ISDN Communication Basics length that the receiving side allows Sometimes this information will be exchanged during handshaking However few manufacturers if any have implemented this mechanism If the sending side sends packets greater than what the receiving side allows the receiving side will discard the frame and reply with a Frame Reject frame FRMR FRMR indicates that the information received is too long Both sides will then reset their link layer negotiation and re send the frame again Usually this will happen repeatedly until the call gets disconnected The omni has a fixed maximum receiving frame size of 2048 octets which is larger than most devices can support The default maximum sending frame size is 252 octets for V 120 and 2048 for X 75 If you need to change the maximum sending frame size the ATCL command should be used Type ATCL252 lt Enter gt Set the frame size to 252 octets user value between 1 2048 TA responds OK Type ATCL lt Enter gt To inquire about the current setting of the packet length TA responds Maximum user data length in a packet byte 252 Answering a Call using MSN When answering an incoming call the call will first be identified if the caller n
60. e a window similar to the one below Setup for Windows 95 and NT 4 0 37 Modems Properties 12 x General Diagnostics B The following modems are set up on this computer m F Remove Properties Dialing Preferences Dialing from Default Location Use Dialing Properties to modify how your calls are aled Dialing Properties 2 Click Close This completes the installation of your omni modem driver Configuring Windows 95 Dial Up Networking This section assumes you have already fully installed Windows 95 If you have not installed the Dial Up Networking feature in Windows 95 please install it before you continue 1 From the Windows 95 desk top double click on the My Computer icon then double click on the Dial up Networking icon 2 From within the Dial up Networking dialogue box double click on the Make New Connection icon 38 Setup for Windows 95 and NT 4 0 Make New Connection 3 Choose a name for your connection and select your modem type from the drop down window Then click on the Next button Make New Connection car United States of America 1 4 Type the phone number of your ISP or of host you will be calling Click on the Next button 5 Click on the Finish button A new icon is created in the Dial up Networking folder 6 Right click on this icon then select Properties from the menu Setup for Windows 95 and NT 4 0 39 My Conne
61. e data call can be identified by the TA to be X 75 V 110 V 120 or PPP Async to Sync conversion and MPPP Data Call Indication Data calls are accepted the same way as in any TA When alerted the omni will send the first RING message to the DTE with a format as follows RING lt CR gt lt LF gt Advanced ISDN Call Control 87 FM Prefix Calling Party Number Subaddress TO Called Party Number Subaddress lt CR gt lt LF gt RING lt CR gt lt LF gt RING lt CR gt lt LF gt The display of address information between the first RING and the second RING can be disabled by setting ATS84 4 1 The term Prefix is a predefined number string to be added in front of the Calling party number before sending it to the DTE This is useful for some automatic dial back up systems The number string can be assigned as follows e ATCI lt Prefix gt When and only when the type of number denotes an international number will this Prefix be added to the Calling party number before indicating it to the DTE e ATCI lt gt Disables the international number prefix adding function Default e ATCN lt Prefix gt When and only when the type of number denotes a national number will this Prefix be added to the Calling party number before indicating it to the DTE e ATCN lt gt Disable the national number prefix adding function Default fo NOTE The angle brackets lt and gt are part of this command
62. e dial up mode The following AT commands are used to select the Leased Line function AT amp In normal leased line options 14b2 3 AT amp I0 normal dial up phone line AT amp I1 leased line function in B1 channel only dial up function in B2 channel AT amp I2 leased line function in B2 channel only dial up function in B1 channel AT amp I3 leased line function in both B1 and B2 channels If the leased line mode configuration has been saved as the power on user s profile and upon power up the TA will ALWAYS try to make a connection with the remote site using the pre selected protocol B channel B1 or B2 and originate answer mode To change the TA from leased line mode back to dial up mode reset the modem to the factory default settings For some protocols that are originate answer mode sensitive use the following command to configure the originate answer mode leased line auto handshake mode selection S14b0 AT MO leased line auto handshake for Originate mode AT MI1 leased line auto handshake for Answer mode If the leased line mode is selected after power up the following commands can be used to make a leased line connection Advanced ISDN Call Control 91 ATDBI use B1 channel in Originate mode ATDB2 use B2 channel in Originate mode ATDB3 use both B1 and B2 channels in Originate mode ATABI use B1 channel in Answer mode ATAB2 use B2 channel in Answer mode ATAB3 use both B1 and B2 channels in Answer mod
63. e only once The settings will be stored in non volatile RAM The only time you will need to reconfigure your line is when you perform a hardware reset on your TA or when you change options on your ISDN line If your TA is not going to be set up by a computer running Windows 3 x 95 or NT4 0 you will need some type of terminal program that allows you to send AT commands to the TA and receive responses from the TA Configuring Your TA Complete the following steps to configure your TA using the ZyXEL Configuration Utility Disk 1 Insert your ZyXEL Configuration Utility Disk into your computers floppy drive From Windows 3 x choose Run from the File menu From Windows NT4 0 choose Run from the File menu From Windows 95 choose Run from the Start menu Type A setup exe and press Enter ON TC ee ee Follow the instructions on your screen Configuring your TA using a Terminal program If you are not using the ISDN configuration utility that is packaged with the omni you will need a terminal program with which to configure the unit The TA should work with any asynchronous Configuring Your ISDN Line and Network 21 terminal program that can communicate directly with one of the communication ports on your system If you do not know how to use a terminal program refer to the instructions that came with the terminal program Make sure the program is set up to communicate with the COM port that the TA is connected to
64. eeeeeeeeees 15 Selecting the Baud Rate Multiplier ssssssscccsssssssees 15 vii Connecting the TA to your PC sccccccsssssssssssrrccccsssssees 16 Plug and PAY cs coascscecaccnacacaniwedacaainasicaatsededaaatesucaaseddosaabasdauankis 16 Connecting to Your ISDN Line cssssssssssreccccsssssseeees 18 U Interfac Mod ls isson nepi i ai 19 S T interlace e henio aana a a E EAE ENA 19 Power On and Self Diagmostics sssssscccccssssssssssssscceeees 20 4 Configuring Your ISDN Line and Network 21 Configuring Your TA ssssocccecssssssoococccecsssssoooccesesessssoocecesse 21 Configuring your TA using a Terminal program 21 5 ISDN Communication BaSiCs ecssssseereeseeeeeees 25 Understanding AT Commands scccccccsssssssssssssecscsssees 25 Supported AT command types ssseeeeesseeeessrersssrrersssrrersssree 26 Quick Tips when issuing AT commands eeeeeeeeteees 26 ent eon CAS sss sceces cain vedecuchce icnncaess anced dcecainesteacecreemneecdiGaees 27 Dialing out using ISDN mode eee eeeeeeeeseneeeeeeeeneeeeeees 27 Dialing out using ISDN mode s optional Speech Bearer Service EE E ET 27 Dialing out for Analog Adapter Port 1 omni net Internal 28 Dialing out for Analog Adapter Port 1 ommi net 0 0 28 Dialing out for Analog Adapter Port 2 omni net 000 0 28 Manually switching communication mod
65. een by issuing the AT amp ZI command and they are not matched with the address of the incoming call the TA will by default ignore the call as it may be intended for other devices that share the same S T interface SO bus with the TA If you want the TA to answer inbound calls using all possible protocols you can set the best effort call answering bit as follows ATS119 3 0 Answer call only when number matched default ATS119 3 1 Best effort call answering Ambiguity resolution switch for voice calls omni net For a Speech or voice band data call if the amp ZI number assignment can tell which of the analog adapters is being addressed then the call will be delivered to the proper destination But sometimes ambiguity of address matching may exist This may happen if the amp ZIn numbers of the various protocols are either unassigned or not matched In this case users may wish to set answering priority to an analog port The AT amp Ln command sets the address ambiguity resolution flag as follows ISDN Communication Basics 33 AT amp LO Analog adapter 1 has the higher priority to answer a voice or voice band analog data call if analog adapter 1 is busy the call will be routed to analog adapter 2 AT amp L1I Analog adapter 2 has the higher priority to answer a voice or voice band analog data call if analog adapter 2 is busy the call will be routed to analog adapter 1 Multi auto answering of data calls When a
66. eletex service Rec F 220 Teletex service Rec F 200 No High Layer Compatibility information element will be Status Registers and Result Codes 141 Command bit dec hex Function and description _ 5 5 5 0 65 32 hex 35 38 41 Information Interworking for Video Services Rec F 300 T 110 MHS Rec X 400 series OSI application Rec X 200 series I field data length MSB byte I field data length LSB byte V 110 user rate Bln Enable dial in call P Disable dial in call dial out only 64Kbps for ISDN data call 56Kbps for ISDN data call PPP MLPPP PPP MLPPP Use 3 1KHz Bearer service whenever possible for analog adapter Phone 2 Use Speech Bearer service whenever possible for analog adapter Phone 2 Use 3 1KHz Bearer service whenever possible for analog adapter Phone 1 142 Status Registers and Result Codes Command bit dec hex Function and description __ Ref 32 20 Use Speech Bearer service hau whenever possible for analog adapter Phone 1 PP ogame accept global calls ible global calls 7 o 0 Enable analog incoming calls __ 128 80_ Reject analog incoming calls __ bit dec ex o d 0 0 0__ Disable call back function GC_ 1 1 Enable call back function 0 ie point to point signaling Lo DDI function 2 eee point to point signaling DDI function PT eminence signaling DDI function E signaling DDI function 0 ane call ignored when
67. empt when enter in handshaking state Escape sequence code entered in data state wait for TA to return to command state All the Following Commands Require a AT Prefix Go on line in answer mode See also 39 2 43 6 mode mode answer mode Select ISDN Teleservice S82 B must be followed by two digits S102 BTX Data X J V 110 user rate follows DTE speed async or V 110 user rate determined by in band negotiation sync 11 V 110 user rate 64000 bps sync S117 mode B13 V 110 user rate 2400 bps B14 V 110 user rate 4800 bps B15 V 110 user rate 9600 bps ooo 110 AT Command Set Reference i Bl B2 3 B i BOn B00 04 B id w S X75 O O a OoOo O Function amp Description V 110 user rate 14400 bps V 110 user rate 19200 bps V 110 user rate 384000 bps async only 19 V 110 user rate 576000 bps async only B20 B40 protocol analyzer protocols protocols protocol analyzer interface protocols interface protocols protocol analyzer protocols protocols Call bumping control for PPP MP S85 0 and CCB ICEO Disable the call bumping function AT Command Set Reference 111 Command Options Function amp Description P CE1 Enable the call bumping function CEI unit of the last call Cl lt prefix gt Prefix number string to be added to the Calling party number before indicating to the DTE when the
68. er the incoming call you need to set SO toa value greater than 0 i e ATSO 1 If SO is not set SO 0 the DCE V 110 and Synchronous Mode Communications 51 will report RING to your terminal External models will also make an audible ring notification Making V 110 Calls Before the ATDIxxx command is given to place the call you need to make sure that the TA is in asynchronous mode AT amp MO Then use the following commands to configure V 110 The highest Async V 110 user rate depends on bit 4 of S119 as follows S119 4 0 19200 bps 119 4 1 38400 bps for areas other than Japan default 119 4 1 57600 bps for Japanese version If the DTE speed is higher than what has been set the user rate on above table will be used Synchronous Connections external Use the following commands to choose the data rate for synchronous operation ATBI1 64000bps 52 V 110 and Synchronous Mode Communications There are two modes of synchronous operation 1 Asynchronous commands synchronous data AT amp M1 The omni accepts AT commands in asynchronous mode Once the call is connected it enters synchronous mode for data transmission 2 Synchronous mode AT amp M3 I1 The omni accepts synchronous commands from V 25 bis or a PC with an add on synchronous card and exchanges data synchronously with a remote TA fo Note The omni does not support network independent clock compensation The synchronous timing source
69. es non data 29 PlacinSth eCall Renee ee none eevee aera EE ean eee senor 29 TEATS 111 11 128 Or Bete ents eM Std OY RRR CPE SOR essees PEORIA NY PRY RREER ORT E St 29 Distal Dataren ineeie a ng hdactyasstanKVactey dene 30 Determining the Packet Length eeeeseseereesreressrrrrrssrerss 30 Answering a Call using MSN eeseeeeseeeeeeserrrressrererserersese 31 Data over Speech Chantel i s00 cidenoth tease teviieteneets 33 Best effort call answering non data csseeeeeeeeeeeeeenteeees 33 Ambiguity resolution switch for voice calls omni net 33 Multi auto answering of data calls 00 0 ee eeeeeeesneeeeeeeeees 34 6 Setup for Windows 95 and NT 4 0 cccccsceseseeeeeeeees 35 Installing the Windows 95 Driver INF file c0seee 35 Vili Configuring Windows 95 Dial Up Networking 38 CAPI Tris tallation succs ssswesscs avedicaasaccasaasncdoaassiecoaeaiisdicauencsaconens 42 7 Point to Point Protocol PPP ssssscsssssesssseeeeeees 44 Frit POU CEG sss dics cassesaetsencisnnicdnn soaseecncenensucsveseacocguensucconseadens 44 Feature TSU vcicccesicsssuesixaduvedscessea sissies vochcs tasers vasscatisscssosiuacasolocede 45 Async to Sync Conversion external 45 Authentication Conversion ssssesssseesseesesssessssessesssssseees 45 Compression Control Protocol CCP eeeseeeeesreeeesrees 46 M ltilink PPP oa a ee SO eee SN a aa 47 Call Umino sssini s
70. ey Features of the omni ccccsssssssssscccssssssssssssescsecssses 2 Speed and Compatibility ivscsecsieccsdesassseedvosedocass side sosdangedtoagecesses 2 Intelligent Features eseeesseseeeessseresssreesesrresrssreeresereesssereessee 3 Technical Specifications 3 2 02 2iecectasastesne cece eee 3 Physical Characteristics w icjaidoeeilu 2 chase ee ete eds 4 U Interface Option asc eae satedee BGO he cdade Pa Aoi daaed Ava abeastdes 4 Unpacking Your Onis ssscsicsipsccsecsnccchectoasevonspevchocsecspsvevonsocosvees 4 How to Become a Registered Owner csessssccssscsseseseee 5 2 Installing omni External Models cccccesesessseeeee 7 Front Pamel ccs scscissestinciskis cnstessasanchacscastosdebuccsabasscavedessoasacesnsasesers 7 The LED Indicat rfSitsnsnisns tase sieeve ides steele saiia 7 Front Panel Switchs ecien lish Maia a aeai E e 9 Back Panel sc cicuciveascecessssercasnnsatons oncacsecesseseactencssnsvsccnoesstboccasesvs 9 Connecting to the Power Supply cccccsssssssssssrseccssesees 10 Connecting to Your Computer cccccccsssssssssssscccsssssees 10 Connecting to Your ISDN Line ccccsssssssssscrccccsssseees 12 Interface MOG vssucis5ccnsleaedsindsecesnadiandataanedmadenddenlaacssnmsas 12 S T Inteifac enaena o a e e a aa aE O Nh 13 Power On and Self Diagmostics scsssscccccccssssssssssseceesees 13 3 Installing omni Internal Models eeeee
71. f Nn is omitted e N1 ISDN numbering plan Rec E 164 e N3 data numbering plan Rec X 121 e N4 telex numbering plan Rec F 69 e N8 national standard numbering plan e N9 private numbering plan Zn specifies the type of the Subaddress e ZO NSAP Rec X 213 with AFI 0x50 IA5 characters default if Zn is omitted e Z2 user specified IA5 characters The called_party_number or an appropriate part of it will be sent to the addressed entity The called_party_subaddress will be transferred transparently by the ISDN network to the destination Use ATDL to redial the last dialed telephone number and or subaddress Placing a call for 1TR6 The ATDx Yn Nn destination_address command is used for dialing as follows x I ISDN data A the analog adapter 1 or B the analog adapter 2 Yn specifies the type of address e YO unknown default if Yn is omitted e Y1 international number e Y2 national number Nn is the identifier of numbering addressing plan e NO unknown default if Nn is omitted 90 Advanced ISDN Call Control e N1 ISDN numbering plan Rec E 164 The destination_address is the ISDN phone number of the called party The last digit of this number is the EAZ Use ATDL to redial the last dialed ISDN phone number Leased Line ISDN The B channel protocols supported for the leased line are V 110 V 120 X 75 PPP and MP which is selected using ATBxx commands as in th
72. f the S resister settings use the amp Vn command AT amp Vn e n 0 View S register settings for current active profile Status Registers and Result Codes 125 e n 1 4 View settings for user profile number n 1 e n 5 View the factory default settings e n 6 View the analog adapter s setting Phone 1 non data e n 7 View the analog adapter s setting Phone 2 omni net The S register values may be displayed in either Decimal or Hexadecimal format when using the preceding commands Bit 3 of S register 84 sets which numbering system is used for display e ATS84 3 0 for decimal format e ATS84 3 0 for Hex format To display the value of bit b of S register r type ATSr b Setting S registers In order to change the value in S register r to value n use ATSr n range 0 255 In order to change the value in a specific bit b of S register r use ATSr b n range 0 1 In both commands n is a decimal number in the given range While the first command modifies all bits in the S register simultaneously the second command lets you change bit b without affecting other bits in this S register When using ATSr n you need to do a conversion to or from the binary number to find out which bits you manipulate For example if you want to set S38 bit 3 to 1 for a specific application you may either use ATS38 3 1 simple or use the following difficult fo note The values used in the example below dif
73. f which number to dial on DTR drop First use AT amp Zn s n 0 39 s phone number to store the phone number into NVRAM Then use AT Dn n 0 39 to choose which of the in memory phone numbers should be dialed Finally issue an AT amp D1 to enable DTR drop dialing operation fs Note Phone numbers must include a prefix for specific call types e g for ISDN An example of DTR drop dialing is given below The destination phone number is 5551234 1 Issue the command AT amp Z0 15551234 to save phone number to NVRAM 54 V 110 and Synchronous Mode Communications 2 Issue the command AT DO To set phone number 0 as the DTR drop destination phone number 3 Issue the command AT amp D1 Enable DTR dialing operation 4 Turn the TA off and back on V 110 and Synchronous Mode Communications 55 56 V 110 and Synchronous Mode Communications O v 120 ISDN Communications This chapter describes how to set up and configure your TA with the V 120 ISDN protocol The table below shows the specifications of different ISDN protocols Vm V 120 Framing Ta Transparent V 120 _ IS08208T 70 NL Error Control V 42bis Async or Sync Async Only Async Async Only if used with Only V Series DTE Speed Kbps 128Kbps 128Kbps AT Command ATB10 ATB20 ATBOO Configuration Transparent ATBO1 T 70 NL Placing outgoing calls Some switches transmit all network signals through the D channel out of band signaling al
74. f your modem is not listed or if you have an installation disk click Have Disk Models ZyXEL omni net Configuration Manager ZyXEL omni net German T Online Service ZyXEL omni net MP PPP 128K ZyXEL omni net SLIP 64K ZyXEL omni net V 110 19 2K ZuxXFL_omninet Y 1103A 4k z Have Disk lt Back Cancel 6 Select the driver with the protocol that your host is using Generally the samples listed below will work However we 36 Setup for Windows 95 and NT 4 0 recommend that you check with your ISP to verify the protocol they use If you are connecting to an Internet Service Provider ISP select e ZyXEL omni your model PPP 64K If the ISP has not upgraded to an ASEND compatible server select e ZyXEL omni your model V 120 64K If you are calling another location such as a BBS system select e ZyXEL omni your model V 120 64K If you dial up to CompuServe select e ZyXEL omni your model V 120 64K If you are calling MicroSoft Network s MSN ISDN line select e ZyXEL omni your model PPP 64K After you have completed the selections above click Next Install New Modem You have selected the following modem ZEL omni net PPP 64K Select the port to use with this modem Communications Port COM 2 Printer Port LPT1 lt Back Can 1 Select the COM port your TA is connected to and click Next A final dialog will appear Click Finish You should se
75. fer from the actual values in the S register and are used for demonstration purposes only 126 Status Registers and Result Codes Read the value from 38 using ATS38 Convert it to binary using the bast weight table fone Pt SO 1 00000010 2 02 2 00000100 4 04 3 00001000 8 amp 8 08 10 20 6 01000000 64 40 80 To set bit 3 to 1 binary do a logic OR operation with the value Operation 10001000 136 88 01000000 64 40 OR 00001000 8__ 08 00001000 8 08 10001000 136 88 01001000 72 48 To set bit 3 to 0 binary you must invert the value using a logic NOT operation and then do an logic AND operation NOT 00001000 8 08 00001000 8 08 Finally using the result decimal value issue an ATS38 n to set the register S Register Descriptions The descriptions for each S register In most bit mapped S registers the default bit value is 0 which is the normal situation and only the non default situation is described Some reserved bits are for factory use and the user should not change them Values followed by an asterisk are the factory default settings Status Registers and Result Codes 127 Basic S Registers ATSn x Function amp Description Ref S0 Set the number of rings on which the TA will 000 answer A O value disables auto answer Counts and stores number of rings from an 0 incoming call eae cs escape code character default lt gt
76. ff the shelf Internet or remote access client software the omni enables mobile or home users to connect to the Internet or branch offices over ISDN lines Hassle Free Some models also allow you to connect to the analog world via a modem fax machine or telephone connected directly to the TA To take advantage of constant new developments the omni employs flash EPROM This allows for convenient uploading of newly available firmware effectively extending the life of your hardware investment The omni supports both D and B Channels protocols For the D Channel it supports DSS1 1TR6 DMS 100 AT amp T Custom and NI 1 For the B Channels X 75 V 120 V 110 PPP Async to sync Conversion and Bundle 128Kbps ZyXEL has also brought its world renown expertise in data compression to the omni With V 42bis compression on the B Channels using either X 75 V 120 or STAC LZS compression over PPP MP the omni can effectively communicate at speeds up to 460Kbps over ISDN lines The omni net has two analog ports and the omni net Internal has one analog port for handling fax machines modems and telephones The omni net allows different analog devices to communicate over the two B channels to two different locations simultaneously so you can send a fax and make a voice call at the same time The analog ports also recognize standard DTMF tones as well as pulse dialing Introduction 1 Key to Model Differentiation The following labels will be u
77. formational purposes only Trademarks are properties of their respective owners FCC Part 15 Information This device complies with Part 15 of FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operations This equipment has been tested and found to comply with the limits for a CLASS B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications If this equipment does cause harmful interference to radio television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and the receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help Changes or modifications not expressly approved by the party responsible for compliance could void the
78. has been matched in a maximum of 3 tries over a 40 second time period with its pre stored password list the local TA will check the Calling Party Number CPN or Origination Address for 1TR6 against the pre stored number corresponding to the password If they are matched the local TA will choose either to keep the connection or to disconnect and then call back according to the setting of bit 6 of S119 e 119 6 0 Disconnect and then call back e 119 6 1 Keep the connection If the CPN does not match with what is stored in the table the local TA will disconnect the call If CPN is unavailable in the SETUP message the local TA will disconnect the call and then call back using the pre stored number corresponding to the dial in password Level 3 security Once the password is matched the local TA will prompt the remote user to enter a call back number The three levels of security are summarized in the table below Levelt Level2 Levels 94 Security Functions Levelt Level2 Level 33 Password Check CPN Check OK N A Call back Prompts the and S119 6 0 remote user to enter call back number CPN Check OK N A Keep the for calling and S119 6 1 connection back CPN unmatched CPN not N A Call back using Available the corresponding pre stored number AT Commands G2 for Type 1 G4 for Type 2 Setting and Modifying Passwords Up to 40 user passwords can be defined using the AT Hn command where
79. hone number for the first connection and the m 1 th phone number for the second connection Invoking V 42bis Data Compression The following AT commands are used to switch the V 42bis data compression on or off for ISDN data calls when using X 75 or V 120 protocols e AT amp K44 enable V 42bis on ISDN call 68 X 75 ISDN Communications e AT amp KO00 disable V 42bis on ISDN call For X 75 to negotiate compression parameters with the remote ISDN terminal we exchange XID frames before the Link Layer is established The calling site will send an XID frame with V 42bis request to the called site If the called site understands this XID s meaning it will reply to an XID frame with a V 42bis request If it is able to execute V 42bis it will ignore the XID or reply to the XID frame with a V 42bis reject or empty information field The calling site will assume that the remote site is unable to execute V 42bis if it gets no reply for a period of time after sending the request XID In this situation normal connection without data compression will be established It takes about 2 seconds for the calling TA to send XID and wait until time out If you know in advance that the called site has no V 42bis capability it would be better to issue the AT amp KO0 command beforehand in order to get a quick connection Although not defined in X 75 XID frame is based on the encoding in ISO Standard 8885 and is used in V 42 V 42bis In addition t
80. iaina iuias k ausiai 47 Bandwidth On Demand BOD ccscssseeseeeeeeseetseesseeees 48 IAG PIB APS Ca r ann a e e aa 49 8 V 110 and Synchronous Mode Communications 51 Answering a V 110 call ooooooooooooccoccccccocecosossesesessssssssoo 51 Making V 110 Calls scisisscscssececasisisssacssaseonsesisostventsonzsastsssevevees 52 Synchronous Connections external sssssssssssscsssssees 52 V 25bis Command S Clas hues oo mevacoa bat taleR beled 53 DTR Drop Dialing Operation eee eeeeeeeeeeessneeeeeeenaes 54 9 V 120 ISDN Communications cccccccesseeseseneeeeeeees 57 Placing outgoing calls ss csssscssssisssssssssscasssasadasssactnesssesssssssasanaa 57 Configuring the V 120 mode ee eeeeeeeeesneeeeeesnneeeeeeeeaes 58 Dialing in V 120 Tides ji g5i 8 sesdede Tose U hed es elas ete uaas 59 Answering incoming CallS ccccccccccccscccrscrccsssssssssscccsees 59 Speeds of 128Kbps ssssssceessssssosssocscesesosssoccsescsssosssoseesssessss 60 Identifying your line provisioning eeeeeeeeeereeeesrerresereree 60 Making a Bundled Call with V 120 eeeeeeesrereer 60 Dialing pre stored phone numbers eeeeseeeeeeeeeesrrrresererse 61 Error Correction and Data Compression with V 120 62 Bundle Connection with V 42bis Data Compression 63 Selecting V 120 for European ISDN DSS1 ccccsssseee 63 Selecting V 120 for Germany National ISDN 1TR6
81. ienced problems on the line Under run Over run Extended AT amp Command Set Function amp Description Pe Carrier Detect CD options S21 amp Dn i amp CO CD always ON See also 42 E also 38 3 42 7 B ee See also S25 inal cea always ON 108 1 DTR OFF ON transition causes dial of the default number See also AT Dn and S48 4 per lorem a OFF causes the TA to hang up 118 AT Command Set Reference amp CO amp amp DO amp D1 Function amp Description Ref amp D3 Same as amp D2 but DTR OFF causes i the TA to hang up and reset from profile 0 call F amp EO 56Kbps Default for American ISDN Load factory settings to RAM as active configuration Data flow control DTE DCE S27 3 Flow control disabled S amp Dial up leased line options Leased line mode for B2 channel _ ial a i l L eee answer mode only isa emma pe pee E directions ae 120 X 75 compression control amp K must be followed by two digits Disable V 42bis fo amp K44 Enable V 42bis amp Jn Bundle selection See also S100 S87 5 6 Bundle connection is disabled AT Command Set Reference 119 Analog port selection during call 84 5 answering amp LO Set priority to analog port Phone 1 Set priority to analog port Phone 2 Bundle selection See also 100 __ S14b6 7 ae buffering synchronous data buffering Lo Set default call type for conventiona
82. ing AT Commands AT commands are used to configure and control the omni Command statements are usually sent to the TA by being typed from the computer keyboard Command statements must be written in a specific form in order for the TA to recognize them A command statement begins with the letters AT or at It is then followed by one or more commands and then by lt Enter gt AT commands can only be issued when the TA is in command or off line mode Once the TA has established a connection with the remote device it goes into on line mode and the characters sent from your computer through the TA are transmitted to the remote device In order to issue an AT command statement you first need to run your communications software and configure it to the port connected to the TA Refer to your communications software manual if this is not the case Once the communication terminal program is running and the TA is connected Type AT lt Enter gt TA responds OK ISDN Communication Basics 25 This confirms that the TA and your computer are communicating correctly Supported AT command types Extended AT command AT I1 S Register command ATSO 1 S Register bit mapped command set s ATS 13 1 1 Register 13 bit 1 equal to 1 S Register inquiry command ATSO Or ATS 13 1 You may also browse the list by using AT Quick Tips when issuing AT commands The ENTER or RETURN key must be
83. ipment fo NOTE The signal pin assignment of the RJ 45 and RJ 11 phone jacks are listed in Chapter 18 Connecting to the Power Supply To Connect your omni to the power supply follow the steps given below 1 Turn off your computer 2 Make sure the power switch on the TA is in the OFF down position 3 Connect the round end of the power adapter to the POWER JACK on the TA s back panel 4 Plug the power supply unit to an AC wall jack then power on the TA 5 Observe the LED light status on the front panel of your TA and make sure PWR LED is on fs NOTE Use only the power adapter supplied with your TA Never use a power adapter designed for a different product Connecting to Your Computer Your TA comes with a 25 pin male to female cable which is to be used to connect the main serial port of TA to your computer serial port as seen in the figure below 10 Installing omni External Models ON OFF POWER B e Gu o TO BTE ISBN PH NE1 PH NE2 7 Male cable end te medem Serial pert AS N Female cable end te cemputer serial pert Figure 2 2 Connecting the omni net to Your Computer Complete the following steps to connect the TA to your computer 1 2 3 4 Connect the other end of the cable female end to
84. l S83 4 5 dialing commands amp O0 ATDs ATDPs and ATDTs default to make calls for analog adapter Phone 2 to make ISDN data calls amp O3 ATDs ATDPs and ATDTs default to make calls for the analog adapter Phone 1 Data Set Ready DSR function 21 3 selection eee according to CCITT ITU TSS See also 41 5 44 4 TAtesting Cd T9 ee E test PP iteeghewschiono through switch to B2 View profile settings 120 AT Command Set Reference amp V6 View analog adapter Phone 1 setting I amp V7 View analog adapter Phone 2 setting amp Wn n 0 3 Write current settings to user profile n in non volatile RAM See also in non volatile RAM amp Zn s n 0 39 Write phone number s to NVRAM at location n n 0 39 use AT Dn or ATS29 n to set the default dial pointer MSN setting Assign the phone s phone number including subaddress if any number for various B channel protocols In answer mode these numbers will be compared with the received called_party_number and called_party_subaddress information The call will be accepted using the specific protocol if the assigned number of this protocol matches with the called_party_number Assign MSN s for X 75 Assign MSN s for V 110 Assign MSN s for V 120 Assign MSN s for PPP MPPP Assign MSN s for ISDN data protocol auto detection n 6 Assign the phone number s for analog adapter Phone 1
85. lf test Installing omni External Models 13 fo NOTE The omni takes longer to initialize than a regular TA because it requires that communication first be established with your local Switch when it is powered on 14 Installing omni External Models 3 Installing omni Internal Models Although graphics are only displayed for the omni net Internal all installation steps below apply to both the omni net Internal and omni net Internal data ISDN Terminal Adapters unless specifically noted Both cards have a built in high speed serial port that operates at speeds up to 460800bps Selecting the Baud Rate Multiplier The highest baud rate COM port speed that can be selected using software is 115200 bps far too slow for ISDN applications The omni net internal card can be used to double or quadruple the speed set by the software You can use the jumpers found on the card to change the COM port speed The jumper block is located near the lower right hand corner of the card near the finger connector Figure 3 4 Jumper Block Location Installing omni Internal Models 15 The figures below show the settings for 1x 2x and 4x speeds The default setting for the card is 4x For example if the software has set the baud rate at 115200 bps and the default setting of 4x is used the actual data transmission rate will be 460800 bps x1 x2 x4 OJO O OJO O The baud rate is set by the software x1 x2 x4 OJOO OJOO
86. local party by pressing the Flash key and 2 2 After they answer place them on hold by pressing the Flash key and 0 3 Place a call to the remote party 4 After they answer press the Flash key and 3 Conference call 2 local and 1 remote at gt PFlash gt P 2 gt PFlash gt P 0 P 555 1234 gt Flash gt P 3 One local party connected to two remote parties 1 Place a call to either of the remote parties 2 After they answer put them on hold by pressing the Flash key and 0 3 Place a call to the second remote party 4 After they answer press the Flash key and 3 Conference call 1 local and 2 remote call at gt P 555 1234 gt PFlash gt P 0 gt P 555 5678 gt Flash gt P 3 78 Handling Analog Calls non data 12 Advanced ISDN Call Control Call Control for DSS1 In order to initiate a DSS1 ISDN call two information elements are necessary e Bearer Capability indicates what kind of bearer service is desired It is also used for compatibility checking in the addressed entity e Called Party Number provides necessary information for the telephone company Central Office CO to direct the call to the destination Other optional information elements which are pertinent to call control include e High Layer Compatibility e Low Layer Compatibility e Calling Party Number e Called Party Number e Calling Party Subaddress e Called Party Subaddress Control of
87. lowing both B channels to be used exclusively for your communication purposes This allows for throughput of 64Kbps per channel However not all switches support out of band signaling at this time For switches that do not V 120 ISDN Communications 57 support out of band signaling network signals are transmitted through the B channels This reduces the bandwidth to 56Kbps When you are making a V 120 call make sure that the communication supports out of band signaling If it does not support out of band signaling you will need to set your TA to 56K mode using the AT amp E1 command AT amp E0 to set it back to 64k mode If your TA is on the receiving end you can keep the setting at AT amp EO 64k data mode The TA will automatically switch between the two speeds in answer mode Configuring the V 120 mode To configure for a 56K V 120 call type ATB20 lt Enter gt Select V 120 for communication TA responds OK Type AT amp E1 lt Enter gt Select 56K data mode TA responds OK Now you are ready to dial the phone number If you need to save the setting into non volatile RAM issue the commands Type AT amp WO lt Enter gt Save the settings to profile 0 Profiles available 0 3 TA responds OK Type ATZ0 lt Enter gt Save stored settings as the power on settings to profile 0 Profiles available 0 3 TA responds OK 58 V 120 ISDN Communications All the above commands can be simplifie
88. ls with different phone numbers The following command can be used for this purpose ATDIphone_number_1 phone_number_2 If the called site receives two consecutive SETUP messages with the same Calling Party Number and Bearer Capability or Origination Address for and Service Indicator for ITR6 then it is deemed as a X 75 ISDN Communications 67 bundle request The two data calls are established following normal call control procedures That is the network treats them as two independent calls The omni uses X 75 Multiple Link Protocol or cFos channel bundling protocol to coordinate the two B channels The former would need an overhead of two octets for each packet The success of bundle connection initiation is indicated by the connect message reported to DTE as follows CONNECT 460800 X 75M 128K V42b If a B channel is unavailable at either site then the bundle initiation will fall back to single channel connection In this case the connect message may be as follows CONNECT 460800 X 75 64000 V42b Dialing Pre stored Phone Numbers The 40 phone numbers stored in the NVRAM can also be used to place a bundle call e Use ATDSn n 0 39 to dial the n 1 th phone number twice for both the bundle connections e Use ATDSn n 0 38 to dial the n 1 th phone number for the first connection and to dial the n 2 th phone number for the second connection e Use ATDSn Sm n 0 39 m 0 39 to dial the n 1 th p
89. mand from the panel the TA will test the ROM code checksum system RAM memory EEPROM digital circuits and analog circuit calibrations The LNK LED will light up for half a second to indicate the success of the TA s power on self test After completing a successful self test the LNK LED will become the normal physical layer layer 1 active indicator ISDN Loopback test AT amp T9 The AT amp T9 command will invoke an ISDN loopback test connection The loopback point is in the S T interface chip Siemens 2086 chip or the U interface chip Siemens 2091 chip just behind the line transformers thus it checks almost every part of the ISDN TA and RS 232 cable except the passive front end of the ISDN S T or U interface During this test data from the terminal or computer is sent through the DTE interface to the ISDN TA s transmitter and is packetized to the proper frame format according to the B channel protocol selected and then loop backed to the receiver de packetized and sent through the DTE interface back to the terminal or computer s screen The screen should show the data you have sent to the ISDN TA Loopback with Self test AT amp T10 The AT amp T10 command will invoke an ISDN loopback connection with self test The data is generated by the ISDN TA and will go through the same path as the above Loopback Test does The data pattern is printable ASCII characters You can see the result on the screen The loop backed data is compa
90. mands e CAPI 1 1a and CAPI 2 0 Intelligent Features Automatic ISDN analog call detection non data Feature Phone operation including call back broker and three way conferencing omni net Two analog telephone jacks analog adapters with metering pulse function omni net One analog telephone jack analog adapter with metering pulse function omni net Internal Built in internal speaker with volume control external Push button switch for quick dial and tear down external Call back security with password protection Flash EPROM memory for easy firmware upgrades Technical Specifications Status Display e 10 LED indicators external Flow Control Software XON XOFF or hardware CTS RTS Introduction 3 e Configuration Setting Software programmable with nonvolatile memory for profile storage e Diagnostics Self and loopback tests Physical Characteristics e Line Interface e RJ 45 for S T or U interface RJ 11 for built in TA s Internal models with S T interface only e DTE Interface e DB 25 connector external e Weight g e 383 external e 250 internal e Dimensions cm e L 18 1 x W 13 5 x H 3 7 external e L 19 x W 2 5 x H 12 internal U Interface Option For North American ISDN ZyXEL provides an optional 2B1Q U interface which allows direct connection to the network without the use of an external NT 1 device Unpacking Your omni Your omni should come with the equipment
91. must be supplied by the omni which is phase locked to the network synchronous clock When in V 25bis command mode the omni supports the bit oriented HDLC High Level Link Control synchronous protocol which most synchronous communication links use Use AT Ii to enable V 25bis commands For synchronous applications the TA is set for use with one application in normal situations Save the desired settings in the power on profile and the TA will start up in synchronous mode with V 25bis enabled A special command set RST is provided to get the TA back to asynchronous AT command mode from V 25bis mode When the TA is used as a DCE device with a router or main frame system use the following command string for best results AT amp S1 amp M3 I1 amp WO0ZO0 V 25bis Command Set Command Messages CRN lt dial string Dial command with number provided CRSn Dial command with number from memory 0 lt n lt 39 n is the memory location PRNn lt number gt Saves lt number gt to address n 0 lt n lt 39 Reject incoming calls V 110 and Synchronous Mode Communications 53 Command Messages RST Changes to asynchronous AT command mode RT DTR Drop Dialing Operation Invalid command The omni will automatically dial the phone number stored in the NVRAM when it detects an off to on transition of the DTR line Before you enable the DTR drop action a phone number must be stored and saved to memory along with an indication o
92. n represents the index to the entry Numbers between 0 39 are accepted The corresponding 40 call back numbers are defined by AT amp Zn xxx command where n represents the index to the entry and xxx represents the assigned call back phone number Any character ASCII 0 127 can be used in the password table the maximum password length is 8 characters for each entry Security functions are only accessible through AT commands in terminal mode A supervisory password is required for adding or modifying entries The default supervisor password is ZyXEL when the TA is shipped from the factory This supervisory password is sent to the remote if Type 1 security is set at the remote end To modify the supervisor password use AT HS Security Functions 95 You will be asked for the original password and a new password Then re enter the new password for verification For example Password Kk KKK Enter current supervisory password Password xk KKK Enter new supervisory password Verify xk KK Enter the new supervisory password again OK Use command AT Hn to modify the n th user password You will be prompted to enter the supervisory password first and then the user s password for this entry will be requested and verified The command AT V will list the 40 user passwords and the supervisor password on the screen for viewing Non password Auto Call Back Function In addition to the standard modem like se
93. n ISDN data call and to therefore use the ISDN mode to call out Type ATD1I17142630398 lt enter gt Make an ISDN call Dialing out using ISDN mode s optional Speech Bearer Service Your TA supports ISDN data utilizing Speech Bearer Service To enable this function you need to set S register S83 bit 7 to 1 ATS83 7 1 This function is useful in the areas where ISDN service providers charge lower usage rate for voice speech calls To enable this function type ISDN Communication Basics 27 ATS83 7 l lt enter gt To disable it type ATS83 7 0 lt enter gt Dialing out for Analog Adapter Port 1 omni net Internal Using the B command following the ATD will tell your TA to automatically switch call to analog adapter Phone 1 once dialing is complete Type ATDB17146930762 lt enter gt fo NOTE You musthave an analog modem connected to your analog port before you issue this command Dialing out for Analog Adapter Port 1 omni net Using the A command following the ATD will tell your TA to automatically switch call to analog adapter Phone 1 once dialing is complete Type ATDA17146930762 lt enter gt F NOTE You musthave an analog modem connected to your analog port before you issue this command Dialing out for Analog Adapter Port 2 omni net Using the B command following the ATD will tell your TA to automatically switch calls to analog adapter Phone 2 once dialing is comple
94. n ISDN data call comes in the TA can determine the protocol to be used in one of two ways 1 By way of the information conveyed by the SETUP message for DSS1 these include the Bearer Capability Low Layer Compatibility or High Layer Compatibility information elements for 1TR6 these include the Service Indicator as well as an Additional Octet of the Service Indicator 2 By the Multi Auto answering process The TA determines the protocol by monitoring the B channel signal sent by the calling site With either method the data call can be identified by the TA to be X 75 V 110 V 120 or PPP MPPP Async to Sync conversion If the address matching process is again unable to tell which protocol to use the TA will go into its Multi Auto answering Routine by examining the B channel data pattern and hence determine the protocol to use When alerted the TA will send a RING message to the DTE in the following format RING FM 17145522863 TO 17142630398 34 ISDN Communication Basics 6 Setup for Windows 95 and NT 4 0 This chapter contains step by step procedures for installing the Windows 95 and NT drivers and configuring Dial up Networking for all omni series TA s Installing the Windows 95 Driver INF file If your computer supports Plug amp Play be sure your TA is powered on before starting your computer If you are using a non PnP protocol follow the steps below to complete installation 1 From the desk top cli
95. n asynchronous data format issued by the computer to the TA through the asynchronous computer modem interface AT Commands control the TA s behavior and actions To send an AT Command from a computer to the TA you must be running communication software and the TA must be in the command state Exceptions to this are A A gt and These commands are not preceded by AT or followed by any more characters e A re executes the last command once e A gt re executes the last command once or repeats the last call up to 9 times until aborted by pressing down on any key on the keyboard or front panel or until a successful connection with a remote TA has been made e is the escape sequence code that is entered in data state to return the TA to command state The TA will accept AT commands only while it is in command state The AT command prefix may be typed in either upper AT or lower case at Do not use a combination of upper and lower cases in the prefix The following tables list all of the AT commands supported by the omni An asterisk following a command option or value indicates that it is a default setting when the TA is shipped Basic AT Command Set Function amp Description A7 Re execute the last command once fe ey AT Command Set Reference 109 Function amp Description Re execute the last command once or repeat the last call up to 9 times See also S8 Terminate current connection att
96. n remote network checked When all of the selections have been made click OK Setup for Windows 95 and NT 4 0 41 9 This completes the remote connection definition Locate the new connection icon in your Dial up Networking folder and double click on it z Connect To 71x z is 29 My Connection User name MyAccount Password iene M Save password Phone number 5551234 Dialing from Default Location E Dial Properties crea 10 If the User name and Password are incorrect or are not there type them in Click on the Connect button and your TA will dial the number and establish a connection CAPI Installation Follow the steps below to install the ZyXEL Internet Configuration Manager and ZyXEL CAPI drivers 1 From the Win95 Start button choose Run 2 From the Run dialogue box type A Setup exe and click OK 3 From the ZyXEL ISDN Installation dialog box choose the appropriate CAPI driver and click the Install button 42 Setup for Windows 95 and NT 4 0 Install to Installation Options EJ ZyXEL Internet Configuration Manager E ZyXEL CAPI Ver 1 1 Profile A driver 16 bit ZyXEL CAPI Ver 2 0 driver 16 bit 4 From the Question dialogue box click No if you do not wish to setup Multiple Subscriber Numbers This completes CAPI installation If you click Yes continue with the steps below Only CAPI 1 la requires setup of Multiple Subscriber Numbers Question Installation is complete
97. ni net amp ZI7 m assigns EAZ for Phone 1 non data The default EAZ of each protocol is as follows e amp ZI0 1 for Data e amp ZI4 2 for Data e amp ZI6 3 for the analog adapter Phone 2 omni net e amp ZI7 4 for the analog adapter Phone 1 non data AT amp ZI can be used to display the EAZ numbers assigned by the AT amp ZIn m commands The EAZ last digit of the destination address in an incoming SETUP message will be checked with each protocol s EAZ If there is a match and the service indicated is compatible with this protocol the call will be accepted using the protocol fo NOTE EAZs must be assigned in exact order The suffix digit to an ISDN phone number in a dial out command will be used as the destination EAZ in the Destination Address W element in the SETUP message sent to the destination If this suffix digit is omitted the switch will assume the EAZ is 0 84 Advanced ISDN Call Control Each type of outgoing call can be assigned with one origination EAZ by using the command AT amp ZOx Origination_EAZ where x I for ISDN data calls A for the analog adapter 1 and B for the analog adapter 2 The command AT amp ZOx removes the assignment of the origination EAZ The number assigned by AT amp ZOx Origination_EAZ if any will be used for the Origination Address W element while dialing The default settings of origination EAZ for all types of calls are UNASSIGNED meaning the SETUP mes
98. nnection to execute the same pre assigned layer 3 protocol as it reduces the chance that the TA will make the wrong protocol selection 66 X 75 ISDN Communications For European ISDN DSS1 the Low Layer Compatibility LLC information element in the SETUP message can be used to specify the layer 3 protocol Since this is an option for ISDN switches some of the switches might not deliver the LLC information element to the remote end There is no provision for 1TR6 switch to specify the layer 3 protocol for X 75 calls Making a Bundled Call with X 75 A bundle connection is initiated at the calling site by sending two consecutive SETUP messages to the network The two SETUP messages are all the same except for the Call Reference values AT amp Jn can be used for bundle configuration as follows e AT amp J0O Disables B channel bundling e AT amp J1 Enables B channel bundling in answer mode only e AT amp J2 Enables B channel bundling in call mode only e AT amp J3 Enables B channel bundling in both call and answer modes The bundle protocol can be selected as follows e ATS100 0 MLP channel bundling e ATS100 1 CCB channel bundling If channel bundling is enabled the ATDIs command will generate two consecutive SETUP messages to invoke bundle initiation For Northern Telecom ISDN each BRI destination phone number can only be called once in any time In order to use two B channels for aggregation we must place two cal
99. ntial to understanding interactive operations between an ISDN TA and the ISDN network They contain the compatibility information for the TA and your Central Exchange The B channel user data protocols include X 75 and V 120 Only the layer 2 header addresses and control bytes and layer 3 header are captured Since X 75 may be used with various layer 3 protocols e g T 70 T 90 and ISO8208 only the first 8 octets of the information field are recorded as the layer 3 header and are displayed in raw data form The analysis of the protocol data will be carried out by ZyXEL s Technical Support department The DTE DCE protocols at the R reference point according to the ISDN nomenclature include the AT commands responses as well as the CAPI internal interface The CAPI internal interface is used with the ZyXEL CAPI driver The ZyXEL CAPI driver communicates with the TA through this internal interface It is not recommended that users get involved in this internal interface The AT commands responses on the other hand are in a standard user interface An analysis of these commands and responses might prove very informative All messages captured by the EPA are tagged with a time stamp according to a free running timer that starts at the 104 Diagnostics beginning of data capture The resolution of this timing information is in 0 01 second intervals The following commands determine the kind of protocol data to be captured by the EPA A
100. ny given time So if you dial this number it will report busy to any other incoming calls In order to use two B channels for aggregation we must place two calls with different phone numbers To do this separate the two numbers with a sign after the ATD command ATDI phone_number_1 phone_number_2 lt Enter gt The answering TA determines that the call is a bundle request when AT amp J3 is set and two consecutive SETUP messages are received The two data calls are established as one message The phone company s ISDN line splits it off into two messages That is the ISDN network treats them as two independent calls Finally the receiving side receives one bundled message into the computer s serial port The success of a bundle connection initiation is indicated by the connect message reported to the DTE CONNECT 115200 V120M 128K LAPD or CONNECT 115200 V120M 128K LAPD V42b with data compression If you are not using American ISDN you can have a choice between Multiple Link Protocol MLP or cFos channel bundling CCB two bundle protocols You can set them by using the following commands ATS100 0 MLP channel bundling ATS100 1 CCB channel bundling Dialing pre stored phone numbers Use ATDSn n 0 1 39 to dial the n 1 th phone number twice for both the bundle connections Use ATDSn Sm n and n 0 1 39 V 120 ISDN Communications 61 to dial the n 1 th
101. o the compression parameters XID can be used to negotiate the packet parameters as window size packet size ect Bundle Connection with V 42bis Data Compression If both sites have set AT amp K44 to enable V 42bis negotiation then XID frames will be exchanged through the main B channel which corresponds to the call established by the first SETUP message Only one data compression channel will be used in bundle connections That means the compression is done before packet disassembly and the decompression is done after packet assembly The compression ratio of V 42bis is commonly recognized as up to 4 1 for text files If the line speed is 128K bps then the DTE speed may reach 512K bps This makes the DTE s normal RS 232 serial port unsuitable for bundle applications A special I O card on the computer side is required in this situation X 75 ISDN Communications 69 70 X 75 ISDN Communications 11 Handling Analog Calls non data The omni net and omni net Internal allow connection of analog devices e g telephone fax PBX or modem to your ISDN line This chapter will outline the steps you need to take to place and answer analog calls via your ISDN line f5Note Remember The omni net Internal has one analog adapter Phone 2 information applies to the omni net only The analog adapter s use RJ 11 phone jacks The pin assignment of the jacks are shown in Chapter 18 German ZyXEL customers The inner two pins of the RJ 11 are u
102. omni series User s Manual Version 2 0 ACCESSING INTERNET amp INTRANET ZyXEL Limited Warranty ZyXEL warrants to the original end user purchaser that this product is free from any defects in materials or workmanship for a period of up to two 2 years from the date of purchase During the watranty period and upon proof of purchase should the product have indications of failure due to faulty workmanship and or materials ZyXEL will at its discretion repair or replace the defective products or components without charge for either parts or labor and to whatever extent it shall deem necessary to restore the product or components to proper operating condition Any replacement will consist of a new or re manufactured functionally equivalent product of equal value and will be solely at the discretion of ZyXEL This warranty shall not apply if the product is modified misused tampered with damaged by an act of God or subjected to abnormal working conditions Note Repair or replacement as provided under this warranty is the exclusive remedy of the purchaser This warranty is in lieu of all other watranties express or implied including any implied warranty of merchantability or fitness for a particular use or purpose ZyXEL shall in no event be held liable for indirect or consequential damages of any kind or character to the purchaser To obtain the services of this warranty please contact ZyXEL s Service Center refer to the
103. ow 1 Power on the TA The reset will prompt the TA to check the integrity of the codes in the flash EPROM If proper valid firmware can not be verified the TA will initiate Kernel Mode Once it is in Kernel mode you can issue limited AT commands From this point you can start from item 3 of our upgrading procedure Upgrading Your omni 99 15 Diagnostics The omni can perform its own diagnostic tests providing you with valuable information This chapter provides diagnostic tables for interpreting test results The following table is a summary of the omni s self tests for external models Test LED LED LED LED Test Description Seq LNK Bl B2 AA 1 on off off off Memory test 2 or lont oft atf ISDN chip merie a off off off on HDLC functional test The LED lights up while testis in progress and blinks if a test fails The following table is a summary of the omni s self tests for internal models Test Description Memory test failed ISDN chip interface test failed F NOTE When a self test fails the LED will blink 1 4 times in succession followed by a 1 5 second pause After completing a successful self test the LED will remain off Diagnostics The omni ISDN TA provides several diagnostic capabilities e Power on Self test e Local Digital Loopback Test 100 Diagnostics e Diagnostic Command e TA Reset Power on Self test At each power up or upon a reset com
104. p when the link with the local switch is active and flashes when attempting to make a connection B1 The B1 channel connection LED lights up when the B1 channel is established B2 The B2 channel connection LED lights up when the B2 channel is established AA The auto answer LED lights up when the TA is in Auto Answer mode and flashes when it rings CP Lights when Data Compression is being used over one or more of the B Channels Compression types are Hi fn LZS formerly Stac for PPP connections and V 42bis for V 120 or X 75 connections DTR The data terminal ready LED lights up when the DTE or computer connected to the DTE Port indicates that it is ready for communication by raising the corresponding RS 232 signal DSR The data set ready LED lights up when the modem is ready for communication with the DTE RTS The request to send LED lights up when the DTE has data to be sent to the remote modem The RTS signal is used in Hardware Handshaking CTS The clear to send LED lights up when the modem is ready to receive data from the remote modem The CTS signal is used in Hardware Handshaking TX The transmit data LED flashes when the DTE Computer is transmitting data to the DTE Port RX The receive data LED lights up when the DTE Computer is receiving data from the DTE Port Phone 1 omni net The phone 1 LED lights up when the POTS port 1 telephone handset is off hook Phone 2 omni net The phone 2 LE
105. phone number for the first connection and the m 1 th phone number for the second connection For example ATDISO S1 lt Enter gt will dial the number stored in location 0 and the number stored in location 1 for the bundle connection Error Correction and Data Compression with V 120 With V 120 the default setting is for LAPD error correction only No data compression will be negotiated The following AT commands are used to switch the V 42bis data compression on or off for ISDN data calls when using V 120 protocol e AT amp K44 enables V 42bis on ISDN calls e AT amp KO00 disables V 42bis on ISDN calls With the amp K44 setting the TA will try to connect using V 42bis data compression If the remote device doesn t support V 42 then LAPD error correction will be used When a connection is made using V 42bis compression the following connect message will be displayed CONNECT 115200 V120 56000 LAPD V42b It takes extra time for the calling ISDN TA to negotiate V 42bis If you know in advance that the called site has no V 42bis capability it would be better to issue the AT amp K00 command beforehand in order to get a quick connection Since the V 42bis algorithm needs an error free transmission channel between the compression and decompression processes it can only work with a protocol with error control competence X 75 and V 120 are such protocols that can be used together with V 42bis data compression V
106. pressed to execute a command Multiple AT commands can be combined into one line For example AT amp O2 and ATBO2 can be combined into one line AT amp O2B02 The TA processes commands from left to right The AT command that appears to the right might over write the command to the left For example ATB13B14 will result in ATB14 since both B13 and B14 can not co exist If you see duplicated characters for each one you type your TA and software both have their echo feature turned on the TA defaults to enable command echo To eliminate the double characters turn off software command echo Use A to repeat the last command No AT prefix is needed for this command 26 ISDN Communication Basics The omni supports either verbose result code i e OK or numerical result code i e O You can use AT Vn command to set it one way or the other ATVO Select numerical result code ATV1 Select verbose result code Outgoing Calls The omni has 3 modes in which to send communication over ISDN network e ISDN data e Analog port Phone 1 communication non data e Analog port Phone 2 communication omni net These modes are auto switching based on the commands you issue Let s take a look at how the communication mode is automatically switched At your terminal program proceed with the following instructions Dialing out using ISDN mode The command ATDP tells your TA that you want to make a
107. pters users may want to control the outgoing Service Indicator themselves for some specific applications Use the following table to configure 104 S107 Service Indicator and 108 S111 Additional Information Octet according to the terminal types Service Indicator Addi S I S107 analog Phone 1 S111 analog Phone 1 S104 analog Phone 2 S108 analog Phone 2 Telephone 1 Fernsprechen 1 3 1 KHz 4 Btx Uber Modem 3 analog dienste 2 Fax Gruppe 3 Control of ENDGERATEAUSWAHLZIFFER EAZ Modem 2 analog dienste 3 Daten Uber Modem or EAZ or Terminal Selection Code is the last digit of an ISDN phone number in 1TR6 Usually EAZ 0 indicates a global call Any terminal on the SO interface which is service compatible with the incoming call can answer the call Other values of EAZ 1 2 9 provide the possibility for assigning multiple ISDN numbers to a single ISDN BRI line A calling user can select via the public network one or more distinct terminals on a single BRI line With its highly integrated multi function features the TA128 can be viewed as a black box containing multiple distinct terminals Each Advanced ISDN Call Control 83 of these internal terminals can be assigned one EAZ using the command AT amp ZIn m where n 0 7 and m 0 9 amp Z14 m assigns EAZ for ISDN data protocol auto detection amp ZI5 m assigns EAZ for PPP MPPP amp Z16 m assigns EAZ for Phone 2 om
108. r Zn called_party_subaddress Dial s number and options that follows for the Analog adapter Phone 1 Yo yi Y2 Y3 Y4 Y6 Abbreviated number ____ No Ns N9 YO Y1 Y2 Y3 Y4 Y6 ZO Z2 NO NI N3 N8 N9 AT Command Set Reference 113 Command Options Function amp Description Ref DBs Dial s number and options that follows for the Analog adapter o Phone 2 mode is selected after power on Use B1 channel in originate mode ie z DB2 DB3 Use B1 amp B2 channels in originate mode Dial s number and options that follows for ISDN data call Repeat last ATD command 0 1 Set directory numbers USA m Use B2 channel in originate mode i g DNO xx Set the DNO value gt lt gt lt gt lt Pai i 4 l Clear the DNO DN Query present DNs n 0 39 Dial number stored in non volatile RAM at location n use to dial two consecutive numbers for bundling or MPPP calls Command mode local echo of keyboard commands EO Echo off Echo on sy Onoff hook control T Hang up on hook the TA or ISDN same as ATH ee up the analog adapter Phone to 1 E up the analog adapter Phone m 2 ooo Display inquired information oo 114 AT Command Set Reference Function amp Description Ref JAn Sn J KAxn n 0 63 Add persist time interval for BOD S85b1 7 0 BOD disabled if n 0 x M in Minute unit or S in 10 Displa
109. r is treated as the MSN default e 119 5 1 the number is treated as the subaddress The factory default for these numbers are unassigned If an incoming SETUP message is offered with addressing information e g the appropriate part of the called party number or the called party subaddress this address will be compared with the MSN subaddress numbers assigned by the AT amp ZIn xxxx commands The call will be accepted using the specific protocol if the assigned number of this protocol matches with the received called party number or called party subaddress fs NOTE Two phone number strings are said to be matched if their least Significant n digit s are identical where n is the number of digits of the shorter string Usually one digit is enough to distinguish the various protocols Answering a Call for 1TR6 If an incoming SETUP message is offered with addressing information i e the destination address W element This address will be compared with the EAZ numbers assigned by the AT amp ZIn m commands The call will be accepted using the specific protocol if the assigned number of this protocol matches the received address Best effort Call Answering If some numbers have been set using amp ZI command as can be seen by the AT amp ZI command and they are not matched with the address of the incoming call the TA will by default ignore the call as it may be intended for other devices that share the same S T interface SO
110. red with the transmitted data Should an error occur the LNK LED will start to flash Sending any Diagnostics 101 character through the DTE interface to the ISDN TA will discontinue the test B1 B2 Loopback with Self test AT amp T11 There is an AT command designed for testing the readiness of your ISDN line which uses one B channel B1 to place a call and the other B channel B2 to receive the call Follow these instructions to make your test call Type AT amp ZOIl your_isdn_number lt Enter gt TA responds OK Type AT amp T11 lt Enter gt TA responds OK Dial your_isdn_number Loop from B1 to B2 through the switch established Sending and receiving data B1 B2 loopback test successed Disconnecting NO CARRIER The Diagnostic Command ATCG The ATCG command can be used to test and isolate hardware problems Some of the tests are interactive operations just follow the indications prompted on the screen If the TA is operating normally the test results will be displayed as follows System address amp data bus tast isi a vas eviace vere s ere aed lt OK hayer l hardware CESE gc ova cra Shiawase he oad Cece OK Rover 2 hardware Tests ssc ait hg a ad Sh A tad A ERA diane Wh eke OK Daver I ACEAVAEDOR ESSE oo 2 a ENAN J Ag heel pe cosas E Wh ec OK First B channel hardware test cece AN OK Second B channel hardware tesSt cee eoee OK Listen to the Ring
111. rporation in one of the following ways Phone In North America call between 8 00 AM and 5 00 PM PST at 714 693 0808 Outside North America you can dial 886 3 5783942 EXT 252 between 8 00AM and 5 00PM Taiwan time GMT 8 00 Fax ZyXEL in North America 714 693 8811 or Taiwan 886 3 5782439 E mail e Sales inquiries sales zyxel com in North America sales zyxel hinet net outside North America e Technical support support zyxel com in North America support zyxel hinet net outside North America Product information Visit our site on the World Wide Web http www zyxel com FTP Information such as ZyXEL software and ROM updates for North America can be found at this FTP address ftp zyxel com vi For European versions and related files use the address ftp zyxel co at Postal Service You can send written communications at the following address ZyXEL Communications Corporation 6 Innovation Road II Science Based Industrial Park Hsinchu Taiwan 300 R O C or ZyXEL Communications Inc 4920 E La Palma Avenue Anaheim CA92807 U S A Contents ZyXEL Limited W artanty s cicsisc dec na aungsieh nce sieens ii PCC Part 15 Information cs 120 sbanselsreatontAwssshisaatanl daacenes iii G ntactins ZyXEL e e e a a E S FER E ASEE ATni v 1 TARO GUCTION ticccsccaccccezsteveseisscacsousccevencssiisseas soasseassiepeeeicecas 1 Key to Model Differentiation ssssccccccccssssssssssssccccssees 2 K
112. sage sent by the TA contains no Origination Address W element The command AT amp ZO can be used to list the current settings of the origination EAZs Answering a Call Incoming call will be identified as either an ISDN data call or a voice call including the voice band data ISDN data calls will be routed to the digital communications portion of the TA Non data models will assign voice calls or voice band data calls to the analog adapter s Answering a Call for DSS1 The Multiple Subscriber Number MSN supplementary service provides the possibility for assigning multiple ISDN numbers to a single ISDN BRI line Calling users can select via the public network one or more distinct terminals on a BRI line In some areas however it is very expensive to get additional subscriber numbers The subaddress which is transferred transparently by the ISDN network between the call originating entity e g the calling user and the addressed entity can be used for the same purpose as the MSN Since the TA is highly integrated and multi functional it can be imagined as a black box that contains Advanced ISDN Call Control 85 multiple distinct terminals Each of these internal terminals can be assigned one ISDN number using the AT amp ZIn xxxx command The number assigned by AT amp ZIn xxxx can be interpreted as either the MSN or the subaddress This is determined by the bit 5 of S119 as follows e 119 5 0 the numbe
113. sed for the Tip and Ring or a and b signals in Germany the two signals that connect to a telephone set This is the standard pin assignment but some BZT approved telephones use the outer two pins for a and b If this is the case use the attached TAE adapter which has a unique interface definition or use an RJ 11 cable that connects the inner pins on one end and the outer pins on the other end The following table shows some of the most frequently used AT commands for your reference AT Command ATDAs Automatically dial out for device connects to Phone 1 s represents the number string to dial ATDBs Automatically dial out for device connects to Phone 2 AT amp V6 View current setting of analog adapter Phone 1 AT amp V7 View current setting of analog adapter Phone 2 AT amp LO or Assign analog calls to Phone 1 if the line is not in ATS84 5 0 use AT amp L1 or Assign analog calls to Phone 2 if the line is not in Handling Analog Calls non data 71 AT Command ATS84 5 1 MSN setting assign Called phone number s to be answered by n port where n 6 for Phone 1 and n 7 for Phone 2 adapter Phone 1 adapter Phone 2 ATS56 n Flash timer in 100 ms unit to set maximum duration of ON OFF hook transition to be recognized as Flash ATS89 European switch specific 6 0 To disable the metering pulse for analog adapter Phone 1 Phone 1 Phone 2 To enable the metering pulse for analog ad
114. sed throughout the manual whenever information applies or does not apply to specific omni models If information is specific to a single model within the omni line it will be identified by model name e g omni net internal Applies to internal omni models only omni net Internal and omni net Data Internal external Applies to external omni models only omni net and omni net Data data Applies to omni data models only omni net Data and omni net Internal data non data Applies to omni non data models only omni net and omni net Internal pd External Internal O O With a b adapter w o a b adapter Includes two a b adapters Includes one a b adapter Key Features of the omni Speed and Compatibility e Plug and Play support for Win95 environment e Full compatibility with both ISDN and remote PSTN via ISDN e Supports leased line operation e Multiple signaling protocol compatibility with the following network switches DSS1 1TR6 NI 1 AT amp T 5ESS and Northern Telecom DMS 100 e Supports X 75 V 110 V 120 and PPP Async to Sync Conversion B Channel protocols 2 Introduction B Channel speeds of 56Kbps in band Signaling and 64Kbps out of band Signaling 112Kbps 128Kbps channel bundling MLP CCB and Multilink PPP RFC1661 V 42bis data compression using the X 75 V 120 and Bundle protocols STAC data compression using PPP MP Two application program interfaces e ZyXEL ISDN AT Com
115. ssume DTR always On 108 1 DTR Off On transition amp D1 6 64 bit dec o E bit dec e e js causes dial of the default number 108 2 Data Terminal Ready DTR Off causes the TA to hang up and return to command state 108 2 DTR off causes the TA amp D3 to hang up and reset the TA to profile 0 after DTR dropped gJ Q 5 bit 4 6 7 bit 105 hex Bit mapped register o Command echo disabled 1 Command echo enabled Insertion is not allowed during a phone call phone call o lo ATXO See result code table 8 8 ATXI dec hex AT ee format see 35 7 format 0 0 _ TA returns result code Q0 o 130 Status Registers and Result Codes 24 i 128 TA does not return result code Q SAP asin ana dec hex Bit mapped register 1 Ring volume control 0 3 increments of 1 in decimal 0 3 bit b i h e b Function and description 0 2 l Phone 1 key pad dialed gia uan key pad dialed Prone 2oy pad auta gt Phone 2 key pad dialed 16 e volume control in increments of 16 in decimal value 0 _ POTS Port tone volume low _ ec 0 _ Flow control disabled amp H0 i control eee XON XOFF flow control Set default dial phone number 000 D 39 39 pointer use AT amp Zn s to store phone numbers ssi 55 JFF Jof the XON 255 FF_ Jof the XOFF bit dec hex Bit mapped register Ignore S21 1 2 when Phone 1 key pad dialed t
116. swer 60 69 113 123 125 137 143 asynchronous 55 channel bundling 62 synchronous 55 V 110 53 V 120 60 MPPP 29 30 32 34 86 89 117 125 MSN 31 32 33 37 61 68 74 87 91 125 148 Multi Auto Answer 89 Multilink PPP 3 NT 1 4 12 13 18 19 NVRAM 9 70 124 off line mode 25 on line mode 9 operation modes Multiplex 111 Simplex 111 Opgrading 101 outgoing calls See Placing a call Outgoing Service Indicator 85 out of band signaling 59 60 Passwords 97 Passworsd See Security physical specs 4 Placing a call 91 1TR6 84 92 Analog 29 74 DSS1 91 DSS1 81 Phone 1 Port 1 28 Phone 2 Port 2 28 using ISDN mode 27 using Speech Bearer 27 V 110 54 V 120 59 Bundled 62 X 75 68 Plug and Play 2 16 17 Index 155 power supply 10 PPP 1 3 29 30 33 34 37 41 86 89 114 117 125 140 149 152 Pre stored numbers 63 Protocall Anayzer 103 PSTN 2 registering 5 restoring factory settings See S T interface 9 12 18 19 33 89 101 104 155 S104 S107 85 S108 S111 85 Security levels 95 non passwords 98 passwords 97 types 95 self test 13 Speech bearer 29 61 68 81 84 91 switches AT amp T SESS 2 101 DMS 100 2 Northern Telecom 2 63 69 101 119 142 Siemens EWSD 104 TAE adapter 73 156 Index TEI 91 Terminal Equipment Identifier 91 Terminal Selection Code 85 U interface 4 9 12 18 19 104 V 110 Answering 53 AT Commands 54 Placing c
117. t phone cable is included with your TA To connect your U interface omni to your ISDN line complete the steps below e Connect the RJ 45 connector to the ISDN U jack on the back of the omni e Connect the other end of the RJ 45 cable or RJ 11 to your wall jack 12 Installing omni External Models S T Interface If you have purchased the omni S T model you will need an NT 1 device to connect to the network To connect your U interface omni to your ISDN line complete the steps below e Connect the RJ 45 connector to the ISDN S T jack on the back of the omni e Connect the other end of the RJ 45 cable or RJ 11 to your NT 1 RJ 45 Cable e B gt Gamay o oon Qe g NT 1 Device Figure 2 3 Hooking Up an NT 1 Device Power On and Self Diagnostics Once you have completed all of the installation steps above flip the omni s On Off switch to the ON up position The unit should cycle through a self test sequence where you should see a series of LED lights blinking LED B1 B2 AA After this cycle is complete the PWR light should stay on If the test routine fails the LNK LED flashes Refer to Chapter 15 for more information on self tests and error codes If you have a communication program loaded and active connected to the same serial port as the omni you should see the DTR LED should be ON after the se
118. te Type ATDB17146930762 lt enter gt fo NOTE You musthave an analog modem connected to your analog port before you issue this command 28 ISDN Communication Basics Manually switching communication modes non data The manual switching functions will only be necessary if your communication software does not allow you to change your dial up string Conventional dialing commands ATD ATDT and ATDP used by many existing communication software can be mapped onto one of the new dialing commands according to the AT amp O setting as follows AT Command Dial string it will map to AT amp O0 ATD ATDT and ATDP are the same as ATDB AT amp O2 ATD ATDT and ATDP are the same as ATDI AT amp O3 ATD ATDT and ATDP are the same as ATDA The factory default is AT amp O2 This means the TA will select ISDN data mode when you do not specify which communication mode to use i e ATD or ATDT Placing the Call To initiate a call choose the proper communication mode and configure the mode according to the bearer service or protocol you want to use Here are some simple commands that will be useful when placing a call Changes ISDN B channel protocol setting ATDL Re dials the last dialed telephone number Incoming Calls When a call comes in it will be carried by one of the following protocols e V 120 e HDLC PPP MPPP or SLIP ISDN Communication Basics 29 e V 110 e X 75 or the call may be initiated by an analog
119. try again after 60 seconds If the second call is connected but negotiation failed it will be retry three times If a connection is not established after the third try the Multilink PPP will be disabled automatically For BOD there are four parameters to set high low threshold and persist time Traffic utilization is measured in the ISDN link Highly compressible data may not generate enough traffic to start the second B channel Both add persist time and subtract persist time must be set to activate BOD Related commands e ATJAn Add traffic threshold for n K bits per second n 48 default 48 Point to Point Protocol PPP e ATJSn Subtract traffic threshold for n K bits per second n 32 default e ATKAmn Add persist time for n period in m unit n 0 127 m s for seconds and m for minutes e ATKSmn Subtract persist time for n period in m unit n 0 127 m s for seconds and m for minutes BACP BAP Bandwidth Allocation Control Protocol and Bandwidth Allocation Protocol is used for call request and link drop under Multilink PPP BACP is negotiated during the network phase Without BACP BAP the directory numbers of both B channels must be specified before dialing out In some cases it is not possible for the ISP to support more than one chassis that is capable of bundling both channels at the same time With BACP BAP the second B channel s directory number can be obtained while requesting a call The second
120. ult ZyXEL 10 ee l u V 25bis command set selection a Sp Originate ode Siem Answer mode fie t information Oo Te View the Password table View the Call back Number table AT Command Set Reference 123 124 AT Command Set Reference 17 Status Registers and Result Codes S registers Status Registers contain values that determine and reflect how your Terminal Adapter TA operates and executes commands You can read the values and change them either using terminal commands or the TA s panel controls with the same results Every user profile corresponds to a separate set of S register values but when we mention S registers we are referring to the ones that correspond to the active profile If you want to read or change the values in a profile that is currently inactive you will first have to recall that profile to make it active At the time this manual was written the omni was equipped with 124 S registers from SO to 124 SO to S11 are standard AT S registers and S12 to S124 are mostly bit map configured Changes in the bit map configuration can have the same effect as issuing AT Commands However it is recommended to use equivalent AT Commands Viewing and Setting S Registers There are several AT Commands that are used to view the values stored in the S registers Viewing S registers To display the value stored in S register r with AT Commands use ATSr To view all o
121. umber matches the MSN settings The Multiple Subscriber Number MSN supplementary service enables multiple ISDN numbers to be assigned to a single ISDN BRI line It allows the caller to select via the public network one or more distinct terminals from a variety of terminal choices Since the Omni ISDN Communication Basics 31 supports many different communication protocols and two analog adapters each of these ports can be assigned to an ISDN number using the following command AT amp ZInz s where s is the MSN amp ZI0 s_ Assigns MSN s phone number for X 75 amp ZIl s Assigns MSN s phone number for V 110 amp ZI2 s_ Assigns MSN s phone number for V 120 amp ZI3 s_ Assigns MSN s phone number for PPP MPPP amp Zl4 s Assigns MSN s for ISDN data protocol auto detection amp ZI6 s Assigns MSN s phone number for Phone 2 omni net amp ZI7 s Assigns MSN s phone number for Phone 1 non data AT amp ZI can be used to display the MSN numbers The factory default for these numbers are UNASSIGNED If an incoming SETUP message is offered with addressing information i e the appropriate part of the called_party_number this address will be compared with the MSN numbers assigned by the AT amp ZIn s commands The call will be accepted using the specific protocol if the assigned number of this protocol matches the received called party number fo NOTE You
122. utgoing Service Indicator 79 Control of ISDN Phone Number and Sub address 81 Call Control for 1TR6 Old German ISDN ssseeee 82 Control of Outgoing Service Indicator 83 Control of ENDGERATEAUSWAHLZIFFER EAZ 83 Answering a Call acicecccceccssasencavavecevtesscsvaverecausvscelersivevecanacsiees 85 Answering a Call for DSS 1 0 0 ceceeeceeeeeeteeeeeeeeeeeeeeeaees 85 Answering a Call for VIRG 2aicascneetientnsraienielianeroane 86 Best effort Call Answering ccccccccesseessnteeeeeeeeeeeeeeeaeees 86 Ambiguity Resolution Switch for Voice Calls non data 87 Multi Auto Answering of Data Calls cc ccceceeeeeeeeeeeeeeees 87 Data Call TCG ation iss ctssecdsic sc cassecl gucsiariadsiaieinedseieaudsatesnisaas 87 Disable inbound call ConnectiONn ccccceeeeeeeeeeeeeeeeeeeees 88 Point to Point Configuration cee eeeeeeeceeeeeneeeeesneeeeeeeees 88 Placing a Calis cissiscacsd ccciasediccsideanscessedienessasecestdebicusdcadionarsdsaes 89 Placing aicall for DSS sasise onni isaten 89 Placing a call for ITR6 22 03 cencsctassdcen pina stectasseassddesagonaesreansdees 90 Leased Line ISDN seseessssocessscocessococessscocsssosocosssoeessssocessssoso 91 13 Security FUNCUONS wiscciisiiveiisivecetssssavsiesieaveternrciniess 93 Security Types and Levels sooooessooessssocssessocssssoosssssoossese 93 Eeyel I SEC UICY oa 7352055 errele e e area SS naii 94 Leyel
123. y product code same as ATT Results 1291 USA 1292 DSS1 1293 1TR6 Il Display product information and ROM checksum Results TA128 lt switch gt V x xx where lt switch gt USA DSS1 or 1TR6 I3 Display link status report T9 Display Microsoft PnP code Display PPP status A8 unit 32 unit 0 Second unit n 0 63 Sub persist time interval for BOD S125b1 7 BOD disabled if n 0 x M in Minute unit or S in Second unit Speaker volume control The higher the value the higher the volume S21 1 2 MO Speaker always OFF J M1 Speaker ON until call is answered __ M2 _ Speaker always ON AT Command Set Reference 115 Command Options Function amp Description n n 0 3 Ring volume control NO will 24 0 1 Sie disable the audio ring function USA for American Version ISDN g 1 SPID 2 SPID 0 1 Result code displayed ITA returns result code TA does not return result code n Set bit b of S register r to value n n is a binary digit 0 or T Display value of bit b of S register r n Set S register r to value n n must N 23 7 a o 5 5 N i om Il N im oO n Ti be a decimal number between 0 and 255 Sr Display value stored in S register E SPIDr nnn User enters Service Profile ID nnn SPID for USA switches PIDO First SPID number PID1 Second SPID Number if any Display the SPID setting s
124. yXEL on page v for more information The firmware is distributed in a file your model d vvy where the extension vvv denotes the version of this firmware The modifier d in the filename has the following definitions e G German national ISDN 1TR6 e E European ISDN DSS1 also used in most other countries including Asian countries e A American ISDN AT amp T 5ESS Northern Telecom DMS 100 or National ISDN 1 the active D channel protocol can be chosen by an AT command fs NOTE The American firmware version supports both the S T interface and U interface models During the power on test it checks the hardware configuration and follows the initialization procedures of the specific interface 1 Make sure your TA is turned ON 98 Upgrading Your omni 2 Start any communications program that supports the Xmodem protocol and type ATUPX lt Enter gt TA responds You have chosen Xmodem 128 octets of data with checksum protocol to update your TA Data in Flash ROM will be erased Are you sure Y N Press Y The following message then appears Start programming please upload Use the Xmodem protocol to upload the file ONETd vvv to your TA This step updates the TA s flash EPROM with the new firmware When installation is complete the TA will restart automatically Kernel Mode In the unlikely event that your TA fails to respond to AT commands after upgrading the flash EPROM follow the procedure bel
125. your Turn off the power to your computer Find the 25 pin serial port Connect the male end of the 25 pin cable to the serial port computer s serial port In case your computer only supplies a 9 pin serial connector you will need to use a 25 pin to 9 pin converter 9 pin female to 25 pin male Once the connection is made turn the computer back on Installing omni External Models 11 Connecting to Your ISDN Line The omni comes with a choice of two types of ISDN line interfaces e S T interface This can only connect to your NT 1 Network Termination device Warning Do not under any circumstances connect directly to the ISDN wall jack e U interface This allows you to connect directly to your ISDN wall jack Warning The ISDN jack is for ISDN line connection only Connection of a phone line may result in damage to your Terminal Adapter Attention La fiche ISDN est destin e uniquement pour la connexion Sur une ligne RNIS La connexion sur une ligne t l phonique peut endommager votre adaptateur de terminal U Interface Model If you have purchased the U interface model you can connect the U Interface directly to the wall jack In most cases the ISDN jack installed by the phone company is a RJ 11 jack except in Canada where RJ 45 jack will be installed and the U Interface jack on the back of the omni is a RJ 45 jack A RJ 45 to RJ 45 or RJ 11 to RJ 45 depends on your regional distributor s reques

ZyXEL ACCESSING INTERNET & INTRANET omni series User's Manual

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ZyXEL ACCESSING INTERNET &amp; INTRANET omni series User's Manual

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ZyXEL ACCESSING INTERNET & INTRANET omni series User's Manual