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DSU III AR Rackmount User Manual

1. a nennen 42 Command Descriptions nd tier Nail an HN 42 Syntax and Possible Responses nenne 43 Switched 56 Operation sites seus ete ede ABI hee 44 Chapter 5 Status Status 4T UNL OO Ps Status e 48 Loop Rate aa redet HEP De tenis 48 DEE Ime peines us 48 DTE dettes a GERE EPI DEN ree tue ERREUR 48 TeSt3Status siepe edet is ie he aes 48 Iv DSU AR Rackmount User Manual 61200 034L1 1 Table of Contents Self Testo eter etoile dm b 48 Software REV a binden ettet d teer 49 dh 49 Loop Statu Su anni ea tp een iat o Pe Reality 49 Dialing Status ea tapa ste 50 Number RIS PE eT 50 DTE Leads hed eae eee ibtd aeneis 50 Chapter 6 Testing and Troubleshooting Test OyetvieW dE 51 Executing a Test from the Front Panel 52 Executing a Test from a VT 100 Terminal sse 53 Executing a Test from a ens 54 Test Status Display tete e Her ee 55 Local Test Optlons e o efr edes 57 DTE St L sentence ed e RU aS 58 Test Description distet e pte t E E 58 Test Purposes utate REPE DIE ot UV ode AN 58 Interpreting Lest Results 58 Loop On
2. 6 STRESS PTRN 4 6 SELF TEST I STATUS DISPLAY 1 2047 PATTERN 2 511 PATTERN ENTER TEST UNIT 3 STRESS PTRN 1 1 EXIT TEST 54 ADDRESS O A STRESS PTRN 2 STATUS DISPLAY xs STATUS 5 STRESS PTRN 3 6 STRESS PTRN 4 7 DATA FROM DTE Figure 6 3 DATAMATE Test M enu DSU AR Rackmount User Manual 61200 034L1 1 Chapter 6 Testing and Troubleshooting Test Status Display The Test Status display appears automatically during a test displaying the test type the error count and options for injecting errors or clearing the error count Exit the test by selecting the number corresponding to EXIT TEST Figure 6 4 shows an example of a VT 100 Test Status Display for a test with a test pattern DTE 2047 TEST ERRORS 66 1 EXIT TEST 2 CLEAR ERRORS 3 INJECT ONE ERROR ENTER SELECTION Figure 6 4 61200 034L1 1 VT 100 Sample Test Status Display The DATAMATE Test Status display appears automati cally during a test The Test Status display is similar to the Status screen described in the section Status with additional prompts for the type of test and the number of errors for tests with a test pattern Figure 6 5 shows an example of a DATAMATE Test Status Display for a test with a test pattern DSU AR Rackmount User Manual 55 Chapter 6 Testing and Troubleshooting While this menu is displayed TEST PATTERN Press 1 to clear errors Press 2 to inject an error
3. DSU III AR Rackmount User Manual 61200 034L1 1 Chapter 4 Configuration Remote Loopback EIA The Remote Loopback EIA option specifies whether or not the DSU III AR responds to the RLB input from the DTE The factory default setting is DISABLED Remote Configuration This option sets up the DSU III AR to accept or reject remote configuration commands The factory default setting is ENABLED Front Panel Enables or disables front panel operation The factory default setting is ENABLED Enter Manual Command The Manual Command option is a shortcut method for entering configuration and control commands for the DSU III AR The available manual commands are listed in Table 4 B 61200 034L1 1 DSU AR Rackmount User Manual 29 Chapter 4 Configuration DATAMATE CONFIGURATION To configure the DSU III AR Rackmount using a DATAMATE select the correct shelf and slot location Then select 3 CONFIG from the AR Main menu The DATAMATE menu tree is shown in Figure 4 2 The options are described in the following paragraphs Network Options 30 Loop Rate The Loop Rate option sets the loop operating speed The unit should be set to the rate required by the DDS Service The DSU III AR also supports subrate DTE data over a 56 kbps or 64 kbps loop The loop rate must be set independently of the DTE rate Loop Rate Selections AUTO 2 4K 4 8K 9 6K 19 2K 38 4K 56K 64K For options 2 4K 4 8K 9 6K 19 2K 38 4K and 56K seco
4. DTE Rate Options synchronous 2 4K 4 8K 9 6K 19 2K 38 4K 56K asynchronous 2 4K 4 8K 9 6K 19 2K 38 4K 57 6K SAME AS LOOP DTE Command Set NOTE 61200 034L1 1 The DTE COMMAND option is used to enable AT commands from the DTE enable V 25 bis SDLC Syn chronous Data Link Control commands enable V 25 Bisync and Async or disable all DTE command modes The factory default setting is DISABLE When the unit is in CMD OPTION mode idle in SW56 mode forced with TR option or from escape sequence in AT mode with AT COMMAND SET or V 25 SYNC selected the DTE format is independent of the DATA FORMAT option However if V 25 BSC ASYNC is selected the unit will use V 25 BISYNC BSC commands for synchronous data format or V 25 ASYNC commands for asynchronous data format DSU AR Rackmount User Manual 25 Chapter 4 Configuration Scramble If the DSU III AR is set for a loop rate of 56 kbps with secondary channel or 64K then SCRAMBLER ON OFF options are available The factory default setting is SCRAMBLER OFE Scrambler Off DTE data scrambler disabled Scrambler On DTE data scrambler enabled Data Invert Suppress LBE DTE data invert enabled 56 kbps secondary channel Loop Rate only LBE codes from DTE suppressed 64 kbps only Secondary Channel Rate 26 Select the operating speed for the secondary channel if the secondary channel option was selected during setup of the Network Options The f
5. The SMART 16 Shelf has 17 vertical slots in the front and rear of the chassis The left most front position is reserved for the SMART 16 Shelf Controller card All other front slots can be used in any order for Rackmount cards The PWR CTRL rear segment occupies the right rear slot behind the Controller card All other rear slots are occupied by DTE Network Interface cards Cards may be inserted and removed while the SMART 16 Shelf is receiving power Install rackmount cards using the following procedure 1 The rear segment should be installed first by sliding the card along the card guides until the panel is flush with the chassis 2 Tighten the captive screws at the top and bottom of the panel 3 Slide the rackmount card into the corresponding front slot until contact is made with both the back plane connector and the rear segment See the chapter Operation for more information DSU AR Rackmount User Manual 7 Chapter 2 Installation TELCO CONNECTORS The DSU III AR Rackmount has two eight pin modular jacks labeled LINE 1 and LINE 2 as shown in Figure 2 1 The LINE 1 connector provides connection to the network when the unit is configured for either dedicated or switched operation See the appendix Pinouts for this connector s pin assignments The LINE 2 connector is not used with this unit DTE CONNECTION PRIMARY DTE NOTE The primary DTE should be connected to either the EIA 232 DTE connector or the CCIT
6. DTE 56K SYNC Use the Up and Down OFF OFF OFF OFF Arrow keys to display UNIT IN TEST other status screens LOOP IS NORMAL Figure 6 5 DATAMATE Test Status Displays 56 DSU AR Rackmount User Manual 61200 034L1 1 Chapter 6 Testing and Troubleshooting LOCAL TEST OPTIONS DTE LOOP DTE DTE DTE DTE DTE DTE DTE XMIT XMIT XMIT iD 0 J O Ol RUN amp LOOP ONLY LOOPBACK 204 PTRN gt lt 511 PTRN gt lt DDS PTRN 1 DDS PTRN 2 lt DDS PTRN 3 lt DDS PTRN 4 2047 PTRN 511 PTRN DDS PTRN 1 00 2 DDS 3 DDS PTRN 4 The local DSU III AR Rackmount can perform a variety of tests Figure 6 6 shows the VT 100 s LOCAL TEST OPTIONS screen Figure 6 3 shows the DATAMATE test options menu Each test is described in the following pages DSU III AR LOCAL TEST OPTIONS ENTER SELECTION _ SHELF 1 SLOT 5 61200 034L1 1 DSU AR Rackmount User Manual 57 Figure 6 6 VT 100 Test Options Menu Chapter 6 Testing and Troubleshooting DTE amp Loop LL Test Description The DTE amp Loop test splits the DSU III AR Rackmount into two separate DTE and loop interface sections and then loops the receive data of each interface back to its respective transmit data The DTE amp Loop test provides a bidirectional loopback at the DSU CSU Figure 6 7 illustrates the loopback points and the signal paths for this test LOCAL DTE DSU CSU DTE Loopback Local
7. SR Gontrola a co amate tute tete ed tu E 24 Forced Onis siis as Bah BRC eA OB die diets 24 OOS Only eee aan i ees 24 OIL EO CD Only 24 OH Test Only UR D e a 24 Test d OS iint dete iot te ture redde es 24 Off Test en Reto Ds 25 DTE Raten AAA at dbi etse Blei 25 DITE Rate Options en ae 25 DEE Command Set nune yen Pe ER BOR 25 Sera ble ce He clem edet OO WP D i ates 26 Scramble Off S rb e d et bi re e om erts 26 Scramble On ascen er C E SHE ERE 26 Data Invert Suppress LBE sssessseeee 26 Secondary Channel 26 Network Test Command Options see 21 Loop Rate drei teda 2 Loop Rate Selections entente Wee RR 27 Network Address sess 27 Network 27 27 T M C dS i be epatis 27 WS Sprinter Pr D an ga 28 m DSU AR Rackmount User Manual 61200 034L1 1 Table of Contents Glock Source s o as ice qui es ee 28 28 Erom 28 Test ter 28 Remote Leste RE pt eds viv b dt base 28 Local Loopback oen 28 Remote Loopback ETA lento bbs 29 Remote E 29 Front Panel 2 0 nenn aan
8. The Canadian Industry and Science Canada label identifies certified equipment This certification means that the equipment meets certain telecommunications network protective operational and safety requirements The Department does not guarantee the equipment will operate to the user s satisfaction Before installing this equipment users should ensure that it is permis sible to be connected to the facilities of the local telecommunications company The equipment must also be installed using an acceptable method of connection In some cases the company s inside wiring associated with a single line individual service may be extended by means of a certified connector assembly telephone extension cord The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations Repairs to certified equipment should be made by an authorized Cana dian maintenance facility designated by the supplier Any repairs or alterations made by the user to this equipment or equipment malfunc tions may give the telecommunications company cause to request the user to disconnect the equipment Users should ensure for their own protection that the electrical ground connections of the power utility telephone lines and internal metallic water pipe system if present are connected together This precaution may be particularly important in rural areas Caution Users should not attempt to make such conne
9. an incoming call can be answered manually by an AT or V 25 command from the DTE or by raising TR from the DTE The factory default setting is ENABLED The SR OPTIONS menu is used to select the operating mode for the data set ready SR lead The factory default setting is OFF TEST ONIY Forced On The SR control lead remains on regardless of the state of the network Off OOS Only The SR control lead is on except when the DSU III AR Rackmount receives an out of service condition from the network Off LOCD Only The SR control lead is off five seconds after disconnect SW56 only Off Test Only The SR lead is on except when the DSU III AR Rackmount is executing a test DSU AR Rackmount User Manual 61200 034L1 1 DTE Rate Chapter 4 Configuration Off Test OOS The SR lead is on except during a test or when receiving an out of service condition from the network Off Test The SR lead is off five seconds after disconnect or while executing a test This option sets the operating speed of the DTE inter faces The selectable DTE rates over a 56 or 64 kbps loop with no secondary channel are listed below If a slower loop rate is selected then the DTE rate automati cally matches the loop rate If an attempt is made to set the DTE rate for loop rates slower than 56 kbps the DSU III AR briefly displays DTE RATE SAME AS THE NETWORK before returning to the status screen The factory default setting is SAME AS LOOP
10. the DSU III AR RM responds with a list of all the registers and the stored numbers This list is followed by the VAL response DSU AR Rackmount User Manual 61200 034L1 1 Chapter 5 Status STATUS The VT 100 Status screen Figure 5 1 displays the unit loop status and the DTE leads DSU III RR STRTUS UNIT LOOP STRTUS DTE LERDS LOOP RATE 56 RTS OFF DTE RATE 56 OFF OTE FORMAT SYNC OFF TEST STATUS NO TEST OFF SELF TEST PASS OFF SOFTWARE REY REVISION OFF CHECKSUM 5911 OFF LOOP STATUS OPEN LOOP OFF DIALING STATUS DDS OFF NUM DIALED SHELF 1 SLOT 5 Figure 5 1 VT 100 Status Display The DATAMATE status selection displays two lines of the current operational status of the network and the DTE interfaces 61200 034L1 1 DSU AR Rackmount User Manual 47 Chapter 5 Status After 30 seconds of no front panel operation the DATAMATE automatically reverts to the Status display see Figure 5 2 To exit from the LOOP IS NORMAL LOOP xx DTE xx SYNC ASYNC or the TR SR LLB RLB ON OFF screens press Cancel DATA MODE DSU Operational Status Screen 1 LOOP IS NORMAL DDS Network Status Screen LOOP 56K lt Network Rate DTE 56K SYNC lt DTE Rate Mode Schaan SR lt DTE Control Leads ON ON OFF OFF J X Control Lead Status Figure 5 2 Status Display Unit Loop Status 48 Loop Rate This portion of the Status display indicates the current loop rate DTE Rate Indicate
11. 43 connector EIA 232 83 connector type 20 connectors 75 CS 11 CS Control 21 CTS 50 88 DSU AR Rackmount User Manual D data buffering 85 data carrier detect 50 data format factory default 20 33 Data from DTE 66 Data Invert 26 33 data rates 85 data set ready 50 data set ready SR control during test AT command 72 data terminal ready 50 data terminal ready TR factory default 23 36 DATAMATE 18 54 DATAMATE connection 16 DCD 50 DDS 1 2 Dedicated 27 32 defaults 77 Diagnostics 86 dial menu 69 dial number AT command 71 Dial Stored 70 dial up operation 77 dialing options 86 Dialing Status 50 digital data service DDS 1 28 32 DSR 50 DSU to modem interconnect 81 DTE amp loop LL 58 DTE command option 25 DTE connection 8 DTE data format 20 AT command 71 DTE Format 48 61200 034L1 1 DTE interfaces 85 DTE loopback 60 DTE options 20 DTE Rate 48 DTE rate 25 DTE rate select AT command 72 DTE rates 85 DTE with test pattern 61 DTR 50 DTR initiated command timeout 39 DTR option AT command 71 DTR recognize delay 39 E echo command AT command 71 EIA 232 connector 83 EIA 232 Connectors 73 EIA 232 interface 1 8 18 Enter Dial 70 Enter Manual Command 29 environment 86 eprom checksum failure 65 error LED 12 escape character 39 external clock 20 34 83 F flow control 71 Follows CD 21 35 Follows RS 21 34 Follows RS CD 21 35 Forced On 21 23 24 34 36 37 From Network 28
12. AR Rackmount User Manual 39 Chapter 4 Configurat AT COMMANDS 40 ion The DSU III AR RM can be configured and controlled with in band AT commands from an asynchronous DTE port just as modems are To exit the data mode and enter the command mode the asynchronous DTE device must transmit a proper escape sequence or three pluses to the DSU AR RM A specified time delay must occur between the last data character and the first escape sequence character This is the guard time delay and it can be changed by writing a value to the S12 register The default value for the guard time is one second For a valid escape se quence to occur the DTE must transmit the escape code character three times in succession with delay between each character being less than the guard time Once the command mode is entered AT commands can be transmitted to the DSU III AR RM to configure most of the options or initiate tests to check both the DSU III AR RM and the network connections All command lines must begin with the AT character set in either capital or lower case letters The command line may contain a single command or a series of commands after the AT attention code When a series of commands is used the individual commands may be separated with spaces for readability The maximum length for a command line is 40 characters Each command line is executed by the DSU III AR RM upon receipt of a terminating character The default termina
13. AR Rackmount to Modem Interconnect 61200 034L1 1 DSU AR Rackmount User Manual 81 Appendix D DSU to Modem Interconnect 82 DSU AR Rackmount User Manual 61200 034L1 1 Appendix E EIA 232 Connector 56 AND 64 KBPS APPLICATION DTE No connection 61200 034L1 1 The EIA 232 connector shown in Figure E 1 may be used for 56 and 64 kbps applications Using the External clock option and this cable should eliminate data errors caused by excessive delays in the DTE transmit clock receiver and transmit data driver When creating this cable at the DTE interface EIA 232 connec tor tie transmit clock lead TC to external transmit ETC as shown DSU III AR Pin 15 TC Pin 24 ETC EIA 232 CONNECTOR Figure E 1 EIA 232 Connector DSU AR Rackmount User Manual 83 Appendix E EIA 232 Connector 84 DSU AR Rackmount User Manual 61200 034L1 1 Appendix F Specifications Summary SPECIFICATIONS AND FEATURES 61200 034L1 1 This section describes the standard specifications and features incorporated in the DSU III AR RM Operating Modes Dedicated DDS point to point multi point DDSII DDS with secondary channel point to point multi point Switched 56 4 wire Data Rates Dedicated mode service rate 2 4 4 8 9 6 19 2 38 4 56 and 64 kbps Switched mode service rate 56 kbps DTE Rates DTE rates match service rates DTE to loop rate matching in both dedicated and switched modes Synchronous
14. AR will turn off CS but continue to pass data until RS goes off CS is also off if the DSU cannot pass data Off With LOCD Off five seconds after LOCD Valid only in SW56 mode CS is forced on but will turn off for five seconds after a call is disconnected DSU AR Rackmount User Manual 21 Chapter 4 Configuration 22 RS CS Delay Anti Stream If one of the options chosen in the CS Control selection involves request to send RS then the delay from RS to CS must be selected Specified times for the short and long delays at the different operating speeds are shown in Table 4 A Table 4 A Short and Long Delays at Different Operating Speeds Add to Maximum Tolerance Time for Secondary Channel Short Long Option Option 64K 1 1ms 16 1ms 4ms The ANTI STREAM option is used to select the anti stream timeout The anti stream timeout is the maxi mum time the DSU III AR transmits data into the network from the DTE This feature prevents one DTE device on a multi drop network from continuously tying up the transmit circuit back to the master DSU The factory default setting is TIMER OFE Timer Off Anti stream timer is disabled Time 10 Sec Timeout equals 10 seconds Time 30 Sec Timeout equals 30 seconds DSU AR Rackmount User Manual 61200 034L1 1 CD Control TR Control 61200 034L1 1 Chapter 4 Configuration Time 60 Sec Timeout equals 60 seconds The anti stream timer i
15. Diagram ee 60 DEE with Test Pattern esii te 2 61 Test Pattern Only italien cede 63 Remote Test Options susanne ee esee dies 66 V 54 RDL with Test Pattern 67 VT 100 Terminal Dial Menu eee 69 DATAMATE Dial Options Menu se 70 DATAMATE Path to Storing Numbers Option 70 DSU AR Rackmount to Modem Interconnect 8l EVA 232 Connector ieu ilia 83 DSU AR Rackmount User Manual vii Table of Contents viii DSU III AR Rackmount User Manual 61200 034L1 1 Chapter 1 Introduction ABOUT THIS MANUAL This manual provides the information necessary for installation and operation of the Smart 16 DSU III AR Rackmount Operation instructions for the Smart 16 Shelf or other data communication devices that may be used with the shelf are provided in the manuals fur nished with those products PRODUCT OVERVIEW 61200 034L1 1 The ADTRAN DSU III AR provides a reliable high speed data connection for customer Data Terminal Equipment DTE through Digital Data Service DDS lines DDS secondary channel services DDSI or 4 wire Switched 56 network SW56 lines The DSU III AR supports both synchronous and asynchronous data communica tion over the DDS or 4 wire Switched 56 networks This unit is an all rate DSU CSU supporting services from 2 4 to 64 kbps including 19 2 and 38 4 k
16. EXTERNAL source of the clock for use during data transfer from the DTE to the DSU III AR The factory default setting is NORMAL To use the internal clock of the DSU III AR Rackmount select NORMAL To use the external transmit clock from the DTE select EXTERNAL The External clock option is normally used in modem tail circuit applications A DSU to modem interconnect diagram for this application is shown in the appendix DSU to Modem Interconnect DSU AR Rackmount User Manual 61200 034L1 1 CS Control 61200 034L1 1 Chapter 4 Configuration The External clock option is also recommended when the EIA 232 connector is used for rates above 19 2 kbps A special DSU cable diagram for this application is shown in the appendix EIA 232 Connector Using this option and special cable eliminates data errors caused by excessive delays in the DTE transmit clock receiver and transmit data driver Select one of five different control modes for the CS lead The default factory setting is FOLLOWS RS with CS DELAY SHORT Forced On The CS lead remains on Follows RS The CS is on with RS after delay and off with RS or if the DSU cannot pass data Follows CD The CS state matches the CD state No data can be received from the DTE device until CD is activated The CS lead only follows CD when the unit is able to pass data Follows RS CD CS follows RS after delay and is also off if CD is off If CD goes off after RS is on the DSU III
17. Line 1 Connector see 15 Table B D Pin Assignments for Line 2 Connector see 75 Table C A Default Configuration Profiles neneene 78 vi DSU AR Rackmount User Manual 61200 034L1 1 Table of Contents List of Figures Figure 1 1 Figure 2 1 Figure 3 1 Figure 3 2 Figure 4 1 Figure 4 2 Figure 5 1 Figure 5 2 Figure 6 1 Figure 6 2 Figure 6 3 Figure 6 4 Figure 6 5 Figure 6 6 Figure 6 7 Figure 6 8 Figure 6 9 Figure 6 10 Figure 6 11 Figure 6 12 Figure 6 13 Figure 7 1 Figure 7 2 Figure 7 3 Figure D 1 Figure E 1 61200 034L1 1 Typical Point to Point Application for the DSU III 2 DSU III AR Rackmount Rear Panel 9 DSU AR Rackmount Front View 13 DSU AR Rackmount Main Menu sse 15 VT 100 Local Configuration Menu see 19 DATAMATE Configuration Menu sese 31 VT 100 Status Display 47 Status Display otia tee II au Up sua ti 48 Normal Operation before Initiating Loopback Test 51 100 Test Men s pee ei Pa ede dS 53 DATAMATE Test 54 VT 100 Sample Test Status Display 55 DATAMATE Test Status Displays ss 56 100 Test Options 4 57 DTE SC Loop Test anne ee nee 58 Loop Only m RB a a 59 DTE Loopback
18. Software Rev 49 specifications 85 SR Control 24 SR options AT command 71 status 47 store user profile 39 AT command 71 stress patterns 61 Switched 56 2 4 wire 3 T TD 11 50 telco connectors 75 temperature 86 test DTE amp loop 58 DTE loopback 60 DTE with test pattern 61 loop only 59 remote test options 66 self test 65 test pattern 61 test commands AT commands 71 Test key 12 61200 034L1 1 DSU AR Rackmount User Manual 91 Index test LEDs 12 test pattern 61 62 63 66 AT command 72 Test Status 48 test timeout 28 testing 51 Testing and Troubleshooting 51 Time 10 Sec 22 35 Time 30 Sec 22 35 Time 60 Sec 23 35 Timer Off 22 35 TR Control 23 transmit clock 20 83 AT command 72 transmit data 11 50 troubleshooting 68 U Unit Loop Status 47 US Sprint 28 32 V 25 bis commands asynchronous option 42 bi sync option 41 SDLC option 41 V 35 adapter 8 V 35 interface 1 8 VALA 42 view current configuration AT command 71 VT 100 connection 14 VT 100 operation 14 VT 100 terminal 53 Waiting for Call 50 write to S register 71 92 DSU AR Rackmount User Manual 61200 034L1 1 Product Support Information Pre sales Inquiries and Applications Support Please contact your local distributor ADTRAN Applications Engineering or ADTRAN Sales Applications Engineering 800 615 1176 Sales 800 827 0807 Post Sale Support Please contact your local distributor first If your local dis
19. control port on the rear of the Smart 16 Shelf Controller card Option ally DATAMATE ADTRAN part number 1200 045L 1 may be used The connection for a terminal is made through the EIA 232 25 pin connector on the rear PWR CTRL segment This connection is used for both local and remote configuration To access the Main menu of the DSU III AR Rackmount specify the number of the slot occupied in the Select Unit menu All other Terminal Utility Menu options are described in detail in the SMART 16 Shelf User Manual The VT 100 Main menu of the DSU III AR Rackmount offers six options status local configuration remote configuration local test remote test and dial as shown in Figure 3 2 DSU AR Rackmount User Manual 61200 034L1 1 Chapter 3 Operation OSU III RR TERMINAL INTERFACE STATUS LOCAL CONFIG REMOTE CONFIG LOCAL TEST REMOTE TEST DIRL ENTER SELECTION SHELF 1 SLOT 5 Figure 3 2 VT 100 DSU AR Rackmount Main M enu 61200 034L1 1 DSU AR Rackmount User Manual 15 Chapter 3 Operation REMOTE COMMAND The DSU III AR Rackmount can be controlled remotely from another DSU III AR The Configuration CONFIG menu allows the DSU III AR Rackmount remote configu ration capability to be enabled or disabled DATAMATE CONNECTION 16 The DATAMATE is a hand held device that plugs into the RJ 11 jack on the front of the controller The DATAMATE can also be plugged into the RJ 11 jack at the top of t
20. enable V 25 Bisync and Async or disable all DTE command modes DSU AR Rackmount User Manual 33 Chapter 4 Configuration 34 NOTE Transmit Clock CS Options The factory default setting is DISABLE When the unit isin DTE CMD OPTION mode idle in SW 56 mode forced with TR option or from escape sequence in AT mode with AT COMMAND SET or V 25 SYNC selected the DTE format is independent of the DATA FORMAT option However if V 25 BSC ASYNC is selected the unit will use V 25 BISYNC BSC commands for synchronous data format or V 25 ASYNC commands for asynchronous data format Select NORMAL or EXTERNAL source of the clock for use during data transfer from the DTE to the DSU III AR The factory default setting is NORMAL To use the internal clock of the DSU III AR Rackmount select NORMAL To use the external transmit clock from the DTE select EXTERNAL The External clock option is normally used in modem tail circuit applications A DSU to modem interconnect diagram for this application is shown in the appendix DSU to Modem Interconnect The External clock option is also recommended when the EIA 232 connector is used for rates above 19 2 kbps Select one of five different control modes for the CS lead The default factory setting is FOLLOWS RS with CS DELAY SHORT Forced On The CS lead remains on and request to send RS is ignored as long as the unit is able to pass data Follows RS The CS state matches t
21. from 0 to 255 seconds The factory default setting is off 0 Remote Digital Loopback The RDL Remote Digital Loopback option specifies whether or not the DSU III AR responds to an RDL request from the far end of the circuit The factory default setting is RDL ACCEPTED EIA Local Loopback The Local Loopback EIA Electronics Industries Associa tion option specifies whether or not the DSU III AR responds to the LLB input from the DTE The factory default setting is DISABLED EIA Remote Loopback Dial Options The Remote Loopback EIA option specifies whether or not the DSU III AR responds to the RLB input from the DTE The factory default setting is DISABLED The Dial Options are described in the chapter Dial Selection Manual Command 38 The Manual Command option is a shortcut method for entering configuration and control commands for the DSU III AR The available manual commands are listed in Table 4 B DSU AR Rackmount User Manual 61200 034L1 1 Chapter 4 Configuration Table 4 B Manual Commands Command Description Value AT Command Echo Hex Disable Enable AT Result Code N 00 to FF 00 to FF 00 to FF 00 to FF 00 to FF 00 to FF 00 to FF 00 to FF 00 to FF 00 to FF load Factory Opt a 5 5 o o tore User Profile Oo O Save to Profile O Save to Profile 1 elect User Profile OE Power Up Profile O o Network AddressLock pan 61200 034L1 1 DSU III
22. include VAL and INVn Switched 56 Operation CRN Call Request with Number When the DSU III AR RM is configured for SW56 operation the CRN command causes the DSU to dial the supplied number The command s format follows CRN NUMBER TO BE DIALED If no number is included in the command the number stored in dial register number 1 is dialed If no number is provided and no number is stored in dial register number 1 the DSU III AR RM responds with the call failure indication CFINS Call Failure Indication Not Stored For a DBU unit this command initiates dialing on the backup circuit If the number supplied contains non dialable digits they are ignored and only the dialable digits are dialed Possible responses include VAL CNX and CFIxx CRS Call Request Using Stored Number The CRS command causes the DSU III AR RM to dial the number stored in the specified register The format of this command is as follows CRS OPTIONAL SPACE REGISTER NUMBER 1 10 DSU AR Rackmount User Manual 61200 034L1 1 61200 034L1 1 Chapter 4 Configuration If this command is issued without the register number parameter the INVPS Invalid Parameter Syntax response is issued If this command is issued and the register parameter is not in the valid range for dialing registers the INVPV Invalid Parameter Value response is returned Other responses include VAL CNX and CFIxx DIC Disregard Incoming Cal
23. is used to select the operating mode for the data set ready SR lead The factory default setting is OFF TEST ONLY Forced On The SR control lead remains on regardless of the state of the network Off OOS Only The SR control lead is on except when the DSU III AR Rackmount receives an out of service condition from the network Off LOCD Only The SR lead goes off 5 seconds after disconnect SW56 only Off Test Only The SR lead is on except when the DSU AR Rackmount is executing a test Off Test OOS The SR lead is on except during a test or when receiving an out of service condition from the network Off Test LOCD The SR lead goes off 5 seconds after disconnect or if unit is executing a test Secondary Rate 61200 034L1 1 Select the operating speed for the secondary channel if the secondary channel option was selected during setup of the Network Options The factory default is OFE The secondary channel has an internal 256 byte buffer If the secondary channel speed is higher than the throughput in the network CTS flow control is acti vated If the secondary DTE does not respond to CTS flow control care should be taken to prevent the secondary channel internal buffer from overflowing DSU AR Rackmount User Manual 37 Chapter 4 Configuration Test Options Test Timeout The TEST TIMEOUT option sets the length of time a DSU III AR remains in a test mode before automatically returning to the data mode Enter the timeout
24. sealing NO RX SIGNAL current but no telco jack or bad signal from telco circuit to telco Unit detects an OuflTelco is having prob Check remote unit OOS OOF Service or Out of with DDS circuit or Contact telco service FROMNET Frame condition fr remote unit is turned Provider the telco or is disconnected CHECK TELCO Transmit receive p4Telco wall jack ua o qu E LINE reversal detected incorrectly P service provider Telco activated a Wait until test is TOM loopback to test thqTelco is testing circb omplete or contact DDS circuit telco service provid 68 DSU AR Rackmount User Manual 61200 034L1 1 Chapter 7 Dial Selection DIAL OPTIONS The DIAL selection includes options for manual dialing redialing and dialing stored numbers The DIAL selection is available for use only if AT amp T MCI SW56 or US SPRINT SW56 is the selected NETWORK TYPE Figure 7 1 shows the VT 100 Dial Menu Figure 7 2 shows the DATAMATE s menu path used to access these options DSU III RR DIRLING MENU 1 EDIT DIRL DIR 2 DIAL STORED NUMBER 3 MRNURL DIRL SC TO EXIT ENTER SELECTION SHELF 1 SLOT 5 Figure 7 1 VT 100 Terminal Dial Menu 61200 034L1 1 DSU AR Rackmount User Manual 69 Chapter 7 Dial Selection Select Stored Number 1 A 1 DIAL STORED 2 ENTER DIAL 3 REDIAL LAST Figure 7 2 DATAMATE Dial Options Menu Dial Stored This option allows a stored number to be dialed The
25. 1200 034L1 1 CIC Connect Incoming Call This command causes the DSU to go on line For dial backup units this command hangs up the dial backup line and initiates an attempt to reestablish the main DDS line There are no parameters associated with this command Possible indications include VAL CNX and CFIxx CNL Configuration Local This command is used to pass AT commands to the local modem via the V 25 bis command processor This allows the DSU III AR RM to be configured with AT commands via a synchronous interface The command has the following format CNL LOCAL PASSWORD OR MORE AT COMMANDS A local password may not be required depending on the present configuration of the unit Responses to CNL commands are returned in the data format currently configured Possible responses include VAL and INVn CNR Configuration Remote This command is used to pass AT commands over the network to the remote DSU via the V 25 bis command DSU AR Rackmount User Manual 43 Chapter 4 Configuration 44 processor This allows a remote DSU III AR RM to be configured from a synchronous interface The command s format is as follows CNR REMOTE PASSWORD OR MORE AT COMMANDS The remote password may or may not be required depending on the present configuration of the remote unit Responses to the CNR commands are returned in the data format currently configured Possible responses
26. 32 Front Panel 29 front panel 13 61200 034L1 1 DSU AR Rackmount User Manual Index AT command 72 enable disable 39 front panel operation 11 G go online AT command 71 H hang up AT command 71 Idle When Off 23 36 Ignored 23 36 initiate remote configuration AT command 72 installation 7 INV 42 INVBL 42 INVBM 43 INVCU 42 INVPS 42 INVPV 42 L LB enable disable AT command 72 LED description 11 LINE 1 8 75 LINE 2 8 75 line feed character 39 line interfaces 86 line requirements 86 LL 50 LL test from telco 49 LLB control AT command 72 89 Index local loop self test failed 65 local loopback 50 51 local loopback 28 local test options 57 loop is normal 49 loop only RT 59 Loop Rate 48 loop rate 27 AT command 72 Loop Status 49 M main menu 16 manual command abort call timer 39 back space character 39 carriage return character 39 data terminal ready 39 data terminal ready DTR timer 39 escape character 39 front panel enable disable 39 line feed character 39 load factory option 39 network address lock 39 network address unlock 39 select user profile 39 store user profile 39 Master 28 32 modem tail circuit application 20 34 81 N network address 27 30 AT command 72 lock 39 unlock 39 Network Type 27 32 network type 90 DSU AR Rackmount User Manual AT command 71 Network Test Command Options 27 nonvolatile memory failed 65 Normal 23
27. 36 Number Dialed 50 Off OOS Only 24 37 Off Test Only 24 37 Off TesttOOS 24 37 Off With LOCD 21 23 35 36 Off gt On Dial 1 24 36 Off gt On Dial 2 24 36 OOS OOF from telco 49 open loop 50 operating modes 85 operation 11 16 PASS 65 password control AT command 72 password entry AT command 72 password verify AT command 72 phone number AT command 72 pin assignments line 1 connector 75 line 2 connector 74 75 primary EIA 232 connector 73 pinouts 73 75 point to point operation 77 power up user profile AT command 72 profile 1 17 61200 034L1 1 R RAM check failed 65 RD 11 50 RDL 38 re execute command AT command 71 read S register 71 rear panel 9 receipt inspection 5 receive data 11 50 receiver sensitivity 86 Redial Last 70 remote command 16 44 remote configuration enable disable 29 remote loopback 50 51 Remote Test 28 remote test options 66 request to send 11 50 reset AT command 71 restore factory options AT command 71 result code display 71 result code from AT command 71 RL 50 RS 11 RTS 50 S S register read 71 write 71 Scramble 26 scrambler control AT command 72 Scrambler Off 26 33 Scrambler On 26 33 Index secondary channel 26 37 secondary channel connection 8 Secondary Channel Rate 26 37 secondary rate factory default 26 37 select 52 Select key 12 select user profile 39 Self Test 48 self test 65 serial number AT command 72 SMART 16 Shelf 7
28. 4 wire Loopback Figure 6 7 DTE amp Loop Test Test Purpose The DTE amp Loop test is used for the following purposes Verify integrity of the DTE interface and cable Provide a loopback for network tests Interpreting Test Results A BERT tester must be used to interpret the test results of a DTE amp Loop test DTE equipment may also be used if it has the capability to determine if the data received is the same as the data sent 58 DSU AR Rackmount User Manual 61200 034L1 1 Chapter Testing and Troubleshooting Loop Only RT The Loop Only RT test allows the loop interface and a major portion of the DTE interface for the local DSU III AR Rackmount to be tested from the remote site over the actual communication circuit Figure 6 8 illustrates the loopback point and the signal paths for this test LOCAL DSU CSU Local 4 wire Loopback Figure 6 8 Loop Only Test Test Purpose The Loop Only test is used to provide a loopback for network tests Interpreting Test Results The Loop Only test is used for the purpose of looping the DDS circuit back to the telco No test results are available from the local DSU III AR Rackmount 61200 034L1 1 DSU AR Rackmount User Manual 59 Chapter 6 Testing and Troubleshooting DTE Loopback 60 Test Purpose The DTE Loopback DTE Only for the DATAMATE test provides a method for testing both the DTE interface drivers and receivers of the local DSU III AR Rack
29. 4 wire SW56 networks The factory default setting is 0 This option configures the DSU III AR for the specific type of network being used The factory default setting is DEDICATED Dedicated Any 4 wire DDS network amp AT amp T MCI SW56 service DSU III AR Rackmount User Manual 27 Chapter 4 Configuration 28 Clock Source NOTE Test Timeout Remote Test US Sprint US Sprint SW56 service The CLOCK SOURCE options specify the timing source for the DSU III AR5 internal circuitry The factory default setting is FROM NETWORK Master DSU is master timing source From Network Network Rx signal is timing source When operating on a DDS network the timing should be FROM NETWORK On a point to point private network one DSU III AR must be set for MASTER and the other set for FROM NETWORK Select Master timing only if the circuit has no timing source for example two DSUs and a crossover cable The TEST TIMEOUT option sets the length of time a DSU III AR remains in a test mode before automatically returning to the data mode Enter the timeout from 0 to 255 seconds The factory default setting is off 0 Enables or disables remote testing capabilities The factory default setting is ENABLED Local Loopback EIA The Local Loopback EIA Electronics Industries Associa tion option specifies whether or not the DSU III AR responds to the LLB input from the DTE The factory default setting is DISABLED
30. ADIRAN DSU Ill AR Rackmount USER MANUAL 61200 034L1 1A February 1996 Trademark DATAPATH is a registered trademark of CAE electronics and is used by Northern Telecom under license 901 Explorer Boulevard P O Box 070020 Huntsville AL 35807 Phone 205 971 8000 Fax 205 971 8699 1996 ADTRAN Inc All rights reserved Printed in USA FCC regulations require that the following information be provided in this manual 1 This equipment complies with Part 68 of the rules On the bottom of the equipment housing is a label that shows the FCC registration number and Ringer Equivalence Number REN for this equipment If requested provide this information to the telephone company REN is not required for some types of analog or digital facilities If this equipment causes harm to the telephone network the telephone company may temporarily discontinue service If possible advance notification is given otherwise notification is given as soon as possible The telephone company will advise the customer of the right to file a complaint with the FCC The telephone company may make changes in its facilities equipment operations or procedures that could affect the proper operation of this equipment advance notification and the opportunity to maintain uninterrupted service is given If experiencing difficulty with this equipment please contact ADTRAN for repair and warranty information The telephone com
31. AMATE Connection pterea 16 LCD Display of the Main Menu 16 Chapter 4 Configuration Configuration Overview 17 Configuration 4 18 VI I00 Configuration 19 DTE Options RER KR 20 Connector onte 20 DTE Data Format a anna 20 Async Word Length 20 Transmit Clock ee te eerte bli 20 CS COMPO eL 21 Forced On ER Ret i este i v o ea 21 FOllOWSEERS Hi nen Athen dee 21 61200 034L1 1 DSU III AR Rackmount User Manual Table of Contents Follows CD aloes on t aaa mel UE 21 Follows RS CDs ette eee RH e 21 Off Witl EO CD estre eth B Hb i 21 RS CS Delay teeta 22 Anti Stream sb eR te A ase Ss A eee 22 ha et ed eter 22 Time TO SEC iso i ru a tbe dei seri Mead 22 Time co E E 22 ime SOC eot en d EK d bem 23 CD Control a a a i a a mee 23 Forced 23 Normal dete 23 Off With T OG D n ete etae en 23 TR Control debite st icd den 23 Ignored 5o ot te ap be 23 Tdle lier Of iie eec a he ade es eR 23 On Dial X Tis ed tions nein ee tpi tae RE OS 24 gt Dial 2 R 24 AULO ANSWER 24
32. Dial on the VT 100 Interface 70 Redial 4 ees eet e beet de e sn 70 Appendix A AT Commands 71 Appendix B Pinouts EIA2232 Corntf CtOIS eet niece edi deii Ter E Hass 73 Va COMMECOF 314 sco eie bes 74 Telco Eonnect rs tg sce e 75 Appendix C Configuration Profiles Default Configuration Profiles nenenneneenennnennn CE 77 Prolil 2 eee tO p AR RR hens ect OR 77 Prolile 77 Prode seal Maa ad ee ade 77 Appendix D DSU to Modem Interconnect Modem Tail Circuit Application 81 Appendix E EIA 232 Connector 56 and 64 kbps Application eenia e 83 Appendix Specifications Summary Specifications and Features 85 Index ROO Mei EM 87 List of Tables Table 4 A Short and Long Delays at Different Operating Speeds 22 Table 4 B Manual Commands semen 39 Table 6 A Tests Available from Front Panel 52 Table 6 B Messages from the 050 50 68 Table A A AT Commands essem 71 Table B A Pin Assignments for EIA 232 Connectors 73 Table B B Pin Assignments for Primary V 35 74 Table B C Pin Assignments for
33. SHO S DELAY LONG 5 OFF WITH LOCD 1 FORCED ON 1 IGNORED 2 NORMAL 3 OFF WITH LOCD 1 LOCAL 8 CD OPTIONS 2 DTE OPTIONS 9 TR OPTIONS IA SR OPTIONS 1 FORCED ON FF OOS ONLY 3 OFF LOCD ONLY 4 OFF TEST ONLY FF TEST OOS 6 OFF TEST LOCD B SECONDARY RATE e TIMEOUT 3 TEST OPTIONS 1 TEST TIMEOUT O OFF 00 SEC 2 RDL EN DIS RDL IGNORED 2 RDL ACCEPTED 1 DISABLED 3 EIA EN DIS 2 ENABLED A EIA EN DIS 1 PHONE NUMBERBSTORED NUMBER TO 4 DIAL OPTIONS EDIT 1 10 Jis 1 DISABLED 2 AUTO ANSWER 2 ENABLED 5 MANUAL COMMAHOOMMAND 00 ICOMMAND HH IVALUE 00 Figure 4 2 DATAMATE Configuration Menu 61200 034L1 1 DSU AR Rackmount User Manual 31 Chapter 4 Configuration 32 Remote Configuration Network Type Clock Source NOTE This option sets up the DSU III AR to accept or reject remote configuration commands The factory default setting is ENABLED This option configures the DSU III AR for the specific type of network being used The factory default setting is DEDICATED Dedicated Any 4 wire DDS network AT amp T MCI SW56 AT amp T MCI SW56 service US Sprint SW56 US Sprint SW56 service The CLOCK SOURCE options specify the timing source for the DSU III AR internal circuitry The factory default setting is FROM NETWORK Master DSU is master timing source From Network Network Rx signal is timing source Whe
34. T V 35 DTE connec tor The maximum cable length recommended is 50 feet for EIA 232 and 100 feet for the CCITT V 35 See the appendix Pinouts for the EIA 232 interface s pin assign ments The V 35 connector is recommended for use with data rates above 19 2 kbps The EIA 232 connector works up to 56 kbps with a low capacitance cable or with the external transmit clock option selected The EIA 232 interface should be used only for speeds of up to 19 2 kbps For speeds over 19 2 kbps use the V 35 connector SECONDARY CHANNEL CONNECTION If used the secondary DTE should be connected to the auxiliary EIA 232 connector The pin assignments for this connector are shown in the appendix Pinouts DSU III AR Rackmount User Manual 61200 034L1 1 Chapter 2 Installation DSU III PRI V 35 00000000 Du m 000000000 00000000 0 0 w t aman LDX W L AMN MOo 2 zu N Zu Figure 2 1 DSU III AR Rackmount Rear Panel DSU AR Rackmount User Manual 61200 034L1 1 Chapter 2 Installation 10 DSU AR Rackmount User Manual 61200 034L1 1 Chapter 3 Operation FRONT PANEL OPERATION 61200 034L1 1 The DSU III AR Rackmount faceplate is shown in Figure 3 1 LED Description The front panel LEDs of the DSU III AR Rackmount indicate the status of the DTE interface tests alarm conditions and error conditions The
35. Terminal 61200 034L1 1 Select Local Test or Remote Test from the options shown in the Main Terminal Interface Menu See the section VT 100 Terminal Connection and Operation in the chapter Operation for more information The VT 100 Test Menus are shown in Figure 6 2 DTE amp LOOP LOOP ONLY DTE LOOPBACK LOCALTEST DTE 2047 PTRN DTE 511 PTRN DTE DDS PTRN 1 DTE DDS PTRN 2 DTE DDS PTRN 3 DTE DDS PTRN 4 XMIT 2047 PTRN XMIT 511 PTRN XMIT DDS PTRN 1 XMIT DDS PTRN 2 XMIT DDS PTRN 3 XMIT DDS PTRN 4 SELF TEST REMOTE ADDRESS X DATA FROM DTE REMOTE TEST _ 2047 TEST PTRN 511 TEST PTRN DDS PTRN 1 DDS PTRN 2 DDS PTRN 3 DDS PTRN 4 Figure 6 2 VT 100 Test M enus DSU AR Rackmount User Manual 53 Chapter 6 Testing and Troubleshooting Executing a Test from a DATAMATE 2 TEST 1 LOCAL UNIT 2 REMOTE UNIT Select TEST from the Main menu then select LOCAL UNIT or REMOTE UNIT The local and remote unit options are shown in the menu tree in Figure 6 3 STATUS DISPLAY 1 EXIT TEST 2 DISPLAY STATUS 1 DTE amp LOOPILL EXIT TEST 2 DISPLAY STATUS 2 LOOP ONLY RT STATUS DISPLAY 1 EXIT TEST 3 DTE ONLY STATUS DISPLAY 2 DISPLAY STATUS 1 2047 PATTERN 1 EXIT TEST RN 2 5 STRESS PTRN 3 6 STRESS PTRN 4 A DTE WITH EXIT TEST 2 DISPLAY STATUS RN 1 RN 2 STATUS DISPLAY 5 TEST PATTERN
36. a ea ette BRS 35 35 61200 03411 1 DSU AR Rackmount User Manual iii Table of Contents Time 60 S66 snm sehen aeui dE a aged 35 CD OPTIES A 9 pco dera EO PED ME Ri an 36 Borced ncs scott eee o duda te e etes 36 Normal ep e wedub 36 Off With LO CD iia item tee i Cv ERES 36 TRCOpUODS nn eiie d on ot ID HE em tutes 36 Ignoreds idonee 36 tde When Off ee esse c aae 36 OI On Dials ame lu Re 36 On Dial 42 ae ica ree EHRE ale 36 SR Options a Hessen h ee ra 37 Forced Ori oce dta teta tu rele 37 OP OOS m 37 Off LOED Only pidan den 37 OTE Test Only ic fpei pr E e Pt eds 37 Test OOS a iius etre RR OH ER REO E RERO E ERE 37 Off Test s aa de S tese ters 37 Secondary Rate idee creata be eite 37 Test iad aate edis 38 Test ated eerte tete diete 38 Remote Digital Loopback sss 38 EVA socal Eoopback os eee bee Ay as 38 ETA Remote Loopback nde Hone 38 Dial Options 38 Manual Command teniente eom 38 AT Command Stirs nane cu 40 25 bis uten ler te d 41 SDEC Option rss eh bets 41 Bi Syn amp Option 4 eie iet pte 41 Asynchronous
37. abled SR Options cn Gave rede edes Off Test OOS DTE Rate eene Same as Loop DTE Command Options Disabled Scrambler Mode e eR Nena hen Off Secondary Channel Rate eneeen Off Loop R te oup Network Address esenea 0 Network Typis menni ute Dedicated Glock Source sie From Network Test Timeout 3 cn salat o ete ia one nts Off EIAGBED 2a RE eue o eo ted Disabled EIA RLB uu tnu ales eos Disabled Remote Configuration sese Enabled Remote Digital Loopback RDL RDL Accepted DSU AR Rackmount User Manual 17 Chapter 4 Configuration If profile 1 matches the desired system requirements no additional configuration is required to place the unit into service If profile 1 does not match the desired system requirements modify the default configuration or select another profile more closely matching the desired configuration and modify When a new profile is loaded or the existing profile is modified it is stored in the nonvolatile configuration memory configuring the unit with that profile every time power is turned on or the unit is reset CONFIGURATION METHODS 18 There are two input methods for the controller card An EIA 232 interface mounted on the rear of the shelf to which a VT 100 compatible terminal can be connected For remot
38. actory default is OFE The secondary channel has an internal 256 byte buffer If the secondary channel speed is higher than the throughput in the network CTS flow control is acti vated If the secondary DTE does not respond to CTS flow control care should be taken to prevent the secondary channel internal buffer from overflowing DSU AR Rackmount User Manual 61200 034L1 1 Chapter 4 Configuration Network Test Command Options Loop Rate The Loop Rate option sets the loop operating speed The unit should be set to the rate required by the DDS Service The DSU III AR also supports subrate DTE data over a 56 kbps or 64 kbps loop The loop rate must be set independently of the DTE rate Loop Rate Selections AUTO 2 4K 4 8K 9 6K 19 2K 38 4K 56K 64K 2 4K SEC CH 4 8K SEC CH 9 6K SEC CH 19 2K SEC CH 38 4K SEC CH 56K SEC CH The default factory setting is AUTO When configured to AUTO the DSU will automatically attempt to adapt to the loop rate Since 64k and 56k secondary channel look identical on the network the DSU III will adapt to 56k secondary channel for either loop rate If the loop rate is known select the rate from the menu Network Address Network Type 61200 034L1 1 A two digit decimal address can be assigned to each DSU III AR This addressing capability makes it possible to perform remote configuration and testing in point to point and multi drop networks and adds an additional level of security in
39. are described as follows 2047 Pattern Standard 2047 pattern 511 Pattern Standard 511 random pattern Stress Pattern 1 Stress pattern with alternating high and low ones densities Repeated pattern of 100 octets 1111 1111 followed by 100 octets 0000 0000 61200 034L1 1 DSU AR Rackmount User Manual 61 Chapter 6 Testing and Troubleshooting Stress Pattern 2 Stress Pattern 3 Stress Pattern 4 Interpreting Test Results Stress pattern with alternating medium and low ones densities Repeated pattern of 100 octets 0111 1110 followed by 100 octets 0000 0000 Stress pattern with medium ones density Continuous series of octets 0011 0010 Stress pattern with low ones density Continuous series of octets 0100 0000 If errors occur during this test the test error count can be reset to zero by selecting CLEAR ERRORS on the VT 100 Terminal Screen or by pressing 1 on the DATAMATE To verify proper operation of this test single bit errors can be injected into the transmitted test pattern by selecting INJECT ONE ERROR on the VT 100 terminal or by pressing 2 on the DATAMATE These errors appear on the TEST ERRORS counter 62 DSU AR Rackmount User Manual 61200 034L1 1 Chapter Testing and Troubleshooting Test Pattern The Test Pattern option converts the local DSU III AR Rackmount into a BERT tester for the purpose of testing the DDS circuit If this test is used both the local and remote DSU CSU must be si
40. bps services The DSU III AR may be used in either point to point or multi point circuits The DSU III AR provides both V 35 and EIA 232 electri cal and physical DTE interfaces to accommodate a variety of applications A second EIA 232 interface is provided for use on DDS lines with secondary channel services DSU AR Rackmount User Manual 1 Chapter 1 Introduction Router DDS Overview To ensure a reliable connection the unit features an extended receiver capability which permits operation over long loops 3 4 miles or 5 5 km of 26 AWG at 56 kbps In addition to DDS the unit also supports Switched 56 4 wire service with dialing accomplished from the front panel This model is compatible with AT amp T Accunet and Sprint SW56 type services Figure 1 1 shows a typical point to point application for the DSU III AR DDS NETWORK SMART 16 Shelf SMART 16 Shelf Router Figure 1 1 Typical Point to Point Application for the DSU III AR Digital Data Service DDS is a nationwide service that allows interconnection and transport of data at speeds up to 64 kbps The local exchange carriers provide the local loop service to DDS customers and may provide data for routing Inter LATA to an interexchange carrier In DDS mode the DSU III AR suppor
41. ctions them selves but should contact the appropriate electric inspection authority or an electrician as appropriate The Load Number LN assigned to each terminal device denotes the percentage of the total load to be connected to a telephone loop which is used by the device to prevent overloading The termination on a loop may consist of any combination of devices subject only to the require ment that the total of the Load Numbers of all devices does not exceed 100 Table of Contents Chapter 1 Introduction About ThissManitial PRODUCE OVerVview Gaga M uu 4 Wire Switched 56 Overview Warranty and Customer Service nennen nennen Chapter 2 Installation Unpack Inspect Power p 3 2 io ecd c ae R ceiying Inspection eee deseas Equipment Included a ann Customer Provides A e eret Power Up Rte een eA Installation e Telco Connectors ee ait seal ei ite rei Hee ee hey DTE Connection Primary eee eene nennen Secondary Channel Connection 4 Chapter 3 Operation Eront Panel Operation 25m tete patet tte sete as 11 Description ion oae RO Ban 11 100 Terminal Connection and Operation 14 Remote Command eee pesi te Ses een hen een 16 DAT
42. e and is updated every second while RS is active When the anti stream timeout expires the DSU III AR stops transmitting DTE data into the net DSU III AR Rackmount User Manual 35 Chapter 4 Configuration 36 CD Options TR Options work but continues to accept data from it This condi tion exists until the DTE deactivates the RS input Select one of three different control modes for the receive line signal detector CD lead The default factory setting is NORMAL Forced On The CD lead remains active all the time Normal The CD lead is active when data is received from the far end If a configuration problem has been detected CD remains off until the error is corrected Off With LOCD The CD is on except after disconnect in Switched 56 applications Select the DSU III AR response to the data terminal ready TR lead The factory default setting is IGNORED Ignored The TR input is ignored Idle When Off In SW56 mode TR off causes the DSU to go On Hook idle The unit also will not dial out if TR is off In dedicated mode the DSU goes into DTE command mode when TR goes off When TR goes on if the DSU does not receive a command in the number of seconds set in 40 the DSU goes into data mode Off gt On Dial 1 Dial stored 41 TR goes off to on Off On Dial 2 Dial stored 42 TR goes off to on DSU AR Rackmount User Manual 61200 034L1 1 Chapter 4 Configuration SR Options The SR OPTIONS menu
43. e applications a modem can be used The DATAMATE an optional corded hand held keypad with a 2 x 16 LCD display Two additional input methods are available through the DSU III AR In band AT commands from an asynchronous DTE port see the appendix AT Commands for a list of these commands V25 bis in band dialing and configuration from both synchronous and asynchronous DTE ports The V 25 bis option supports the following protocols SDLC synchronous data link control bi sync and asyn chronous The configuration menu for the VT 100 terminal is shown in Figure 4 1 and the configuration menu for the DATAMATE is shown in Figure 4 2 DSU AR Rackmount User Manual 61200 034L1 1 Chapter 4 Configuration VT 100 CONFIGURATION DTE OPTIONS CONNECTOR TYPE V 3 DTE DATA FORMAT SY ASYNC WORD LENGTH TRANSMIT CLOCK NORI CS CONTROL FOLLOWS RS CS DELAY SHORT RNTI STRERHM TIMER CD CONTROL NORMAL TR CONTROL IGNORED AUTO ANSWER EN SR CONTROL OFF TES DTE RATEC S6K 56 DTE SET DISABL SCRAMBLE lt 565 64K SEC CHANNEL RRTE O ENTER 5 61200 034L1 1 To configure the DSU HI AR Rackmount using a VT 100 terminal select Local Configuration or Remote Con figuration from the Terminal Interface menu See the section VT 100 Terminal Connection and Operation in the chapter Operation for more information The VT 100 Local Configuration Menu has two sections DTE Options and Network Test Command Options as
44. est is activated the LEDs cycle on and off as the system runs the self test CHECKSUM is displayed during a test PASS FAIL is displayed at the end of a test Possible self test results are as follows PASS EPROM CHECKSUM FAILURE RAM CHECK FAILED LOCAL LOOP SELF TEST FAILED NONVOLATILE MEMORY FAILED If any messages other than PASS is displayed contact ADTRAN technical support see last page of this manual DSU AR Rackmount User Manual 65 Chapter 6 Testing and Troubleshooting REMOTE TEST OPTIONS A remote DSU III AR Rackmount can perform a variety of tests involving the remote DSU III AR as shown in Figure 6 12 OSU III RR REMOTE TEST OPTIONS REMOTE ADDRESS 8 DATA FROM DTE 204 TEST PTRN 511 TEST PTRN DDS PTRN 1 DDS PTRN 2 DDS PTRN 3 DDS PTRN 4 1 2 3 4 5 5 3 8 ESC TO EXIT ENTER SELECTION _ SHELF 1 SLOT 5 Figure 6 12 Remote Test Options Data from DTE This test loops back the remote end data from the DTE may then be transmitted and verified Test Patterns The test selections with test patterns use the internal pattern generator of the DSU III AR to transmit and verify a test pattern over the DDS network The remote unit is placed in RDL automatically The DSU III AR is capable of transmitting six test patterns with its built in test pattern generator For more information on the test patterns see the section DTE with Test Pattern See Figure 6 13 for a V 54 Remote Digita
45. from the telco Rate Adapting The DSU is attempting to determine the loop rate provided from the telco OOS OOF The telco is transmitting an out of service code DSU AR Rackmount User Manual 49 Chapter 5 Status DTE Leads 50 Open Loop The DDS physical connection has been broken The following messages also appear on the DATAMATE under loop status Answering Call The DSU III AR Rackmount detects an incoming call No Wink from CO The DSU did not see a proper signal from the network during dialing Call Disconnect The SW56 was terminated Waiting for Call The module is waiting for a call Dialing Status Displays the DSU s current dialing status Number Dialed Displays the number currently being dialed Displays the status of the DTE leads The status of the first five leads listed below can also be viewed on the AR s front panel LEDs RTS RS on the front panel Request To Send CTS CS on the front panel Clear To Send TD Transmit Data RD Receive Data DCD CD on the front panel Data Carrier Detect DSR SR Data Set Ready DTR TR Data Terminal Ready LL Local Loopback RL Remote Loopback DSU AR Rackmount User Manual 61200 034L1 1 Chapter 6 Testing and Troubleshooting TEST OVERVIEW The DSU III AR Rackmount performs a variety of diagnostic functions that isolate portions of the circuit to identify the problem source The unit also responds to standard DDS network tests initiated fr
46. he RS state No data can be received from the DTE device until RS is activated The CS lead only follows RS when the unit is able to pass data for example when the unit is on line DSU III AR Rackmount User Manual 61200 034L1 1 61200 034L1 1 Chapter 4 Configuration Follows CD The CS state matches the CD state No data can be received from the DTE device until CD is activated The CS lead only follows CD when the unit is able to pass data for example when the unit is on line Follows RS CD CS follows RS after delay and is also off if CD is off If CD goes off after RS is on DSU III AR will turn off CS but continue to pass data until RS goes off CS is also off if DSU cannot pass data Off With LOCD Off five seconds after LOCD Valid only in SW56 mode CS is forced on but will turn off for five seconds after a call is disconnected The ANTI STREAM option is used to select the anti stream timeout The anti stream timeout is the maxi mum time the DSU AR transmits data into the network from the DTE This feature prevents one DTE device on a multi drop network from continuously tying up the transmit circuit back to the master DSU The factory default setting is TIMER OFE Timer Off Anti stream timer is disabled Time 10 Sec Timeout equals 10 seconds Time 30 Sec Timeout equals 30 seconds Time 60 Sec Timeout equals 60 seconds The anti stream timer is reset to zero when RS changes to the active stat
47. he rear SMART 16 shelf controller Once communication with a DSU III AR Rackmount has been established the DATAMATE menu structure is identical to that of the stand alone product The DSU III AR uses a multilevel menu approach to access its many features All menu operations are displayed in the DATAMATE s LCD window The opening menu is the access point for all other operations There are four Main menu branches Status Test Configuration and Dial Each Main menu item has several functions and submenus to identify and access specific parameters LCD Display of the Main Menu 1 STATUS 2 TEST 3 CONFIG 4 DIAL The DIAL option is only available when the unit is config ured for a Switched 56 network type For more information see the chapter Dial Selection DSU AR Rackmount User Manual 61200 034L1 1 Chapter 4 Configuration CONFIGURATION OVERVIEW 61200 034L1 1 The DSU III AR Rackmount contains four different user profiles sets of configurations options that are stored in read only memory These profiles are listed in the appendix Configuration Profiles The unit is shipped from the factory using profile 1 as follows Connector ii Ie red V 35 DTE Data Format aussen Synchronous Tx Clock Options s Normal CS Options ner le ee ette eret Follows RS Anti stream 4 Off ni edu eut iere Normal TR Optlions atento te e tote patto Ignored En
48. ir definitions are as follows RS Request to Send CS TD RD CD Clear to Send Transmit Data Receive Data Carrier Detect Reflects the status of the request to send pin of the primary DTE connector Reflects the status of the clear to send pin of the primary DTE connector Becomes active when data is received from the DTE Becomes active when data is transmitted to the DTE Becomes active when the DSU is receiving a carrier signal from the line DSU AR Rackmount User Manual 11 Chapter 3 Operation 12 ALM Alarm Indication Test LEDs Error Select Key Test Key Becomes active whenever an alarm condition exists Alarm conditions include Open loop on network No frame synchronization When the DSU III AR Rackmount is in test mode one of the test LEDs activates to indicate the type of test being performed DTE Loop RDL PTRN Indicates error detection during a test Press to select test to be performed signified by illumination of Test LEDs Press to initiate selected test DSU AR Rackmount User Manual 61200 034L1 1 Chapter 3 Operation DSU III AR Rs cs TD RD CD Figure 3 1 DSU III AR Rackmount Front View 61200 034L1 1 DSU AR Rackmount User Manual 13 Chapter 3 Operation VT 100 TERMINAL CONNECTION AND OPERATION 14 The Smart 16 Shelf is configured by attaching a VT 100 compatible terminal or equivalent to the
49. is equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio frequencies Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Shielded cables must be used with this unit to ensure compliance with Class A FCC limits Changeor modifications to this unit not expressly approved v N by theparty responsiblefor compliancecould void theuser s authority to operate the equipment CANADIAN EMISSIONS REQUIREMENTS This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus as set out in the interference causing equipment standard entitled Digital Apparatus ICES 003 of the Depart ment of Communications Cet appareil nuerique respecte les limites de bruits radioelectriques applicables aux appareils numeriques de Class prescrites dans la norme sur le materiel brouilleur Appareils Numeriques NMB 003 edictee par le ministre des Communications CANADIAN EQUIPMENT LIMITATIONS Notice
50. l This command causes the V 25 bis processor to return to command mode even if there is an incoming call pend ing This allows local commands to be issued and incoming calls to be ignored There are no parameters associated with this command The DSU responds with VAL PRN Program Number This command stores the supplied number into the specified register The command has the following format PRN REGISTER NUMBER NUMBER TO BE STORED If this command is entered with no parameters the INVPS response is returned If no register number is included in the command or if it is invalid the INVPV response is returned This response is also returned if the number to be stored contains invalid characters The characters 1 2 3 4 5 6 7 8 9 0 P T and amp are valid dial characters If no digits are issued with this command the specified register is cleared The DSU responds with VAL RLN Request List of Numbers This command causes the DSU III AR RM to return the number stored in the specified register The format of this command follows RLN REGISTER NUMBER If the register number is invalid the INVPV response is DSU AR Rackmount User Manual 45 Chapter 4 Configuration 46 returned When a correct register number is entered the following response is returned LSN REGISTER NUMBER NUMBER STORED VAL If no register number is present in the command
51. l Loopback RDL Test with a Test Pattern 66 DSU AR Rackmount User Manual 61200 034L1 1 Chapter Testing and Troubleshooting If a test is successful the Status menu is displayed if not Unable to Execute Test is displayed LOCAL DSU CSU REMOTE DTE DSU CSU Tx Tx gt Tx Rx Rx 1 Rx Error Test Pattern Clear Detector Local Unit Initiates Test Figure 6 13 V 54 RDL with Test Pattern Remote Test Purpose The remote test tests the local DSU the DDS circuit and the remote DSU Interpreting Remote Test Results If the unit is functioning properly the error count should be zero 61200 034L1 1 DSU AR Rackmount User Manual 67 Chapter 6 Testing and Troubleshooting TROUBLESHOOTING This section is intended to provide a quick and easy means of diagnosing suspected problems associated with local or remotely attached ADTRAN DSU CSUs Messages from the DSU CSU The DSU III AR Rackmount displays messages on the VT 100 display and LEDs concerning the status of the unit and the local loop If the Alarm LED is on one or more of the messages shown in Table 6 B is displayed Status messages are displayed in the Status M enu NOTE Table 6 B Messages from the DSU CSU Message Meaning Probable Cause Action poops pesi Pr Pen T cae qood tcl ed Ta NORMAL 9 loop xai the telco telco circuit OPEN LOOP Unit not receiving 4 signal from the te Unit detects
52. le Enable Long Test Pattern Type 2047 Short DIR Recog Delay x2 5ms 3 gt JJ p 3 1 Iw a x Command Timeout xl sec 8 Front Panel En Dis Enable Enable Enable Disable AUTO AUTO Network Address 2 es P O ex o o D ge o f o Remote Conf En Dis Enable AT amp T MCT AT amp T MCI Network Type Dedicated Dedicated SW56 SW56 Clock Source rom Netwa fom Netwd DTE Options Remote DSU Address Ercole Same as as as as Lod OFF V 35 SYNC DIS Normal Follow Timer Off Timer Off Timer Timer Off Normal Ignored ISR Options Off Test OOfOff Test OO Dff TesttOODf TesttOO OFF 78 DSU AR Rackmount User Manual 61200 034L1 1 Appendix C Configuration Profiles Table C A Cont d Default Configuration Profiles EIA Controlled EIA Controlled Dial Options 61200 034L1 1 DSU AR Rackmount User Manual 79 Appendix C Configuration Profiles 80 DSU III AR Rackmount User Manual 61200 03411 1 Appendix D DSU to Modem Interconnect MODEM TAIL CIRCUIT APPLICATION A DSU III AR Rackmount to modem interconnect diagram for a modem tail circuit application is shown in Figure D 1 RG RC M D O 5 im RD E 11 TD RD For Multi drop requirement DCD RTS RTS DCD Figure D 1 DSU
53. ly RT eine rote t tt ute mete de a bis 59 T st P tpoSe teen EH be tni RR 59 Interpreting Test Results 59 DIEJLoopbacku Ai Hau eat e e Danni Mot libe 60 TLest Purpose sie a teer re HER DER I ee Ee Rap rte reed PERSE 60 Interpreting Lest Results arten 60 PTE wih Test u ya 61 Test PUtposei s eiat eee nitet ipei 61 Test Pattern D scriptions ice diee oto e tee e e E 61 Interpreting Test Results 62 Test Pattern edem ied ten eme 63 Test PUtposelu oisi etin dede aolet en pei dicte Les dag 63 Interpreting Test Results 64 Sell Test are 2 RR its tit iat 65 Fest res I e eve UR Rn 65 Interpreting Lest Results 1 65 Remote Test Options iuo ee terere ren d e Fo d edet tut 66 Date from DIE sie aD hc sas etes kann 66 Test Patterns ice e amr pene be ta a Pts 66 Remote Test Purposes iai eco 67 Interpreting Remote Test Results sssssse 67 Troubleshooting 5 2 linearen itu ren i UN 68 Messages from the DSU CSU cccccececceeeeeseeseeteeeseeseeeeeeeeseeseeneeeseeaeens 68 61200 034L1 1 DSU AR Rackmount User Manual v Table of Contents Chapter 7 Dial Selection Dial Options len ERO upbeat iter ten 69 DialeStored o e 70 Enter Dial Manual
54. mount For this test the DTE transmit data is connected to the DTE receive data at a point close to the physical DTE interface This test can be used to verify proper opera tion between the local DTE and the local DSU III AR Rackmount See Figure 6 9 LOCAL DTE DSU CSU Figure 6 9 DTE Loopback Diagram The DTE Loopback test is used for the following pur poses Verify integrity of the DTE interface Verify integrity of connection between DTE and DSU III AR Rackmount Interpreting Test Results A BERT tester must be used to interpret the test results of a DTE Loopback test DTE equipment may also be used if it has the capability to determine if the data received is the same as the data sent DSU AR Rackmount User Manual 61200 034L1 1 Chapter Testing and Troubleshooting DTE with Test Pattern For the DTE with TP test pattern the test pattern is generated using the DSU CSU internal test pattern generator This test can be used to detect deficiencies within the network interface Figure 6 10 illustrates the loopback point and the data paths for this test This test is completely internal to the DSU CSU unit LOCAL DSU CSU Error Test Pattern Inject Generator DTE Figure 6 10 DTE with Test Pattern Test Purpose A DTE test using a test pattern is used to verify the integrity of the network interface and of the connection between DTE and the DSU III AR Test Pattern Descriptions The test patterns
55. multaneously transmitting a test pattern or the remote DSU CSU must be in loopback with the local DSU CSU transmitting a test pattern Sending a test pattern from one DSU CSU will result in an error message Figure 6 11 illustrates the data paths for this mode LOCAL REMOTE DSU CSU DSU CSU Error Test Pattern Inject Generator Test Pattern Test Pattern Detector Detector Figure 6 11 Test Pattern Only Test Purpose A Test Pattern test has the following purposes Transmits user selected test pattern using an internal test pattern generator and compares the received data using internal test pattern detector to detect if there are any errors on the DDS circuit Injects errors and verifies the unit transmits data across the communication circuit to the remote unit Helps determine from which direction the circuit is receiving errors 61200 034L1 1 DSU AR Rackmount User Manual 63 Chapter 6 Testing and Troubleshooting 64 Interpreting Test Results If the unit is functioning properly the test error count should be zero DSU AR Rackmount User Manual 61200 034L1 1 Self Test Test Purpose Chapter Testing and Troubleshooting The Self Test verifies current operation of the DSU III AR Rackmount It can be performed at any time and is recommended if there is any question about the DSU s health To determine if the DSU is functioning properly Interpreting Test Results 61200 034L1 1 Once Self T
56. n Character Format e Start bit 1 Data bits 7 Parity bit Even e Stop bit 1 Command Structure V 25 bis COMMAND CR LF Command Descriptions The ADTRAN V 25 bis command set is a subset of the CCITT V 25 bis command set In addition to the CCITT commands supported ADTRAN has added configura tion commands for both local and remote DSUs The ADTRAN V5 bis command set follows CIC Connect incoming call CNL Configuration local CNR Configuration remote CRN Call request with number CRS Call request using stored number DIC Disregard incoming call PRN Program number RLN Request list of numbers The following list contains possible responses to V 25 bis commands VAL Valid V 25 command processed CFIET Call failed on switched network busy detected CFIDE Call failed on switched network no wink detected CFINS Call failed no dial string in specified register INVCU Unknown command detected INVPS Invalid parameter syntax INVPV Invalid parameter value INVBL Invalid local password DSU AR Rackmount User Manual 61200 034L1 1 Chapter 4 Configuration INVBM Invalid remote password INC Incoming call CNX Call connected If verbose wordy responses are disabled ATVO the following list of three character responses are the only ones returned VAL Valid V 25 command processed INV Invalid command received CFI Call failed INC Incoming call CNX Call connected Syntax and Possible Responses 6
57. n operating on a DDS network the timing should be FROM NETWORK On a point to point private network one DSU III AR must be set for MASTER and the other set for FROM NETWORK Select Master timing only if the circuit has no timing source for example two DSUs and a crossover cable DSU III AR Rackmount User Manual 61200 034L1 1 Chapter 4 Configuration DTE Options DTE Rate This option sets the operating speed of the DTE inter face The default setting is SAME AS LOOP If the DSU III AR is set for a loop rate of 56 kbps with secondary channel or 64K then the SCRAMBLER option must be selected after selecting the DTE rate The factory default setting is SCRAMBLER OFF Scrambler Off DTE data scrambler disabled Scrambler On DTE data scrambler enabled Suppress LBE Data Invert LBE codes from DTE suppressed 64 kbps only DTE data invert enabled 56 kbps secondary channel Loop Rate only Connector Type Data Format Select RS 232 or V 35 to specify which of the primary channel connectors is used to connect to the DTE The factory default setting is V 35 Select the SYNCHRONOUS or ASYNCHRONOUS mode of operation for the DTE interface The factory default setting is SYNCHRONOUS If ASYNCHRONOUS is chosen the word length must be selected 9 10 or 11 bits DTE Command Option 61200 034L1 1 The DTE COMMAND option is used to enable AT commands from the DTE enable V 25 bis SDLC Syn chronous Data Link Control commands
58. ndary channel must be enabled or disabled The default factory setting is AUTO When configured to AUTO the DSU automatically attempts to adapt to the loop rate Since 64k and 56k secondary channel look identical on the network the DSU III will adapt to 56k secondary channel for either loop rate If the loop rate is known select the rate from the menu Network Address A two digit decimal address can be assigned to each DSU III AR This addressing capability makes it possible to perform remote configuration and testing in point to point and multi drop networks and adds an additional level of security in 4 wire SW56 networks The factory default setting is O DSU AR Rackmount User Manual 61200 034L1 1 Chapter 4 Configuration NO SEC CH 2 SEC CHANNEL 1 1 RATE NETWORK 2 NETWORK ADDR ENTER NETWORK JADDRESS 00 3 REMOTE CONFI DISABLED 2 ENABLED EDICATED A NETWORK TYPE 5 CLOCK SOURCE MASTER 2 FROM NETWORK 1 RATE T amp T MCI SW56 3 US SPRINT SW56 Options vary accordii to loop rate 2 CONNECTOR TYPE EIA 232 2 V 35 1 ASYNCHRONOUS 3 DATA_ FORMAT 2 SYNCHRONOUS 1 ASYNC 9 BITS 2 ASYNC 1O BITS S ASYNC 11 BITS 4 DTE CMD OPTION 25 SYNC 4 V 25 BSC ASYNC 5 TRANSMIT CLO NORMAL 2 EXTERNAL 6 CS OPTIONS 1 CS_DELAY_ SHO CS DELAY LONG 7 ANTI STREAM 1 TIMER_ OFF A FOLLOWS RS CD S DELAY
59. numbers are stored within the CONFIG selection of the DATAMATE Figure 7 3 shows the menu path used to access the Phone Numbers option When using the VT 100 interface select 1 EDIT DIAL DIR to store numbers 1 NETWORK TYPE 2 DTE OPTIONS 3 TEST OPTIONS STORED NUMBER 1 PHONE NUMBER JEDIT 1 10 2 REMOTEJENTER ADDRESS 4 DIAL OPTIONS 2 AUTO ANSWER Figure 7 3 DATAMATE s Path to Storing Numbers Option Enter Dial Manual Dial on the VT 100 Interface This option allows you to enter a phone number of up to 36 digits for the DSU III AR to dial Redial Last Selecting this option redials the last phone number entered 70 DSU AR Rackmount User Manual 61200 034L1 1 Appendix AT Commands Table A A shows the AT commands available for the DSU III AR rackmount Table A A AT Commands Result Code Displa Restore Factory Options F Test Commands 61200 034L1 1 DSU AR Rackmount User Manual 71 Appendix AT Commands 72 Table Cont d Transmit Clock AT Commands Loop Rate Select LLB Control SR Control During Test RTS CTS Dela DSU AR Rackmount User Manual 61200 034L1 1 Appendix B Pinouts EIA 232 CONNECTORS The DSU III AR Rackmount is equipped with two EIA 232 connectors labeled PRI EIA 232 and AUX EIA 232 366 Table B A shows the pin assignments for these connectors For more information see the section DTE Connection in the chapter In
60. om DSU to Network Tip 1 oed 365 Not Used Receive Data from Network to DSU Tip 8 Receive Data from Network to DSU Ring Table B D Pin Assignments for LINE 2 Connector Neid e Fl 8 R Receive Data from Network to DSU Ring 61200 034L1 1 DSU AR Rackmount User Manual 75 Appendix B Pinouts 76 DSU AR Rackmount User Manual 61200 034L1 1 Appendix Configuration Profiles DEFAULT CONFIGURATION PROFILES 61200 034L1 1 The DSU AR Rackmount contains four different user profiles sets of configurations options stored in read only memory see Table C A The unit is shipped from the factory with profile 1 loaded into the nonvolatile configuration memory See the chapter Installation and the section Enter Manual Command for more informa tion Profile 1 Profile 1 is configured for a 56 kbps synchronous point to point or dial up operation with a V 35 connec tor Profile 2 Use profile 2 for a 56 kbps synchronous point to point or dial up operation with an EIA 232 connector Profile 3 Use profile 3 for a SW56 asynchronous operation with CS and CD forced on Profile 4 Use profile 4 for a SW56 operation with DTR idle when off DSU AR Rackmount User Manual 77 Appendix C Configuration Profiles Table C A Default Configuration Profiles 00 1 ManualCommand 43 2BH 13 0DH 10 0AH m poem cj 50 32H 50 32H Enab
61. om telco test centers In addition it can run several tests such as local and remote loopbacks to aid in problem isolation Normal operation is shown in Figure 6 1 LOCAL REMOTE DTE DSU CSU DSU CSU DTE TD Tx i Tx Tx Tx 4 TD C RD Rx Rx RD Figure 6 1 Normal Operation Before Initiating Loopback Test diagnostic tests disrupt data flow LA CAUTION 61200 034L1 1 DSU III AR Rackmount User Manual 51 Chapter 6 Testing and Troubleshooting Executing a Test from the Front Panel 52 test can be executed from the front panel using the Test and Select buttons on the front panel To specify the test press the Select button under the Test LEDs and scroll through the available tests When the yellow LED s for the desired test is illuminated press Test to execute If there are any errors the red Error LED indicator turns on To terminate the test press Test again The tests available from the front panel are shown in Table 6 A Table 6 A Tests Available from Front Panel Push Select RDL PTRN 5 DTE with Test Pattern leopOny Remote Digital Loopback RDL with Test Pattern Test Pattern DSU AR Rackmount User Manual 61200 034L1 1 Chapter Testing and Troubleshooting Executing a Test from a VT 100
62. ort call timer 39 alarm indication 12 ALM 12 answer AT command 71 call 50 anti stream 22 26 AT command 72 Async word length 20 AT command echo 39 AT commands 40 71 72 answer 71 auto answer enable disable 72 clear to send CS 71 clock source select 72 data set ready SR 71 control during test 72 data terminal ready DTR option 71 dial number 71 DTE data format 71 61200 034L1 1 rate 72 echo command 71 flow control 71 front panel 72 go online 71 hang up 71 initiate remote configuration 72 LLB control 72 loop rate select 72 network address 72 network type 71 password control 72 entry 72 verify 72 power up user profile 72 re execute command 71 reset 71 restore factory options 71 result code display 71 result code from 71 RTS CTS delay 72 S register read 71 write to 71 scrambler control 72 serial number 72 test commands 71 test pattern 72 DSU AR Rackmount User Manual 87 Index transmit clock 72 user profile 71 view current configuration 71 AT long code 39 AT result code 39 AT short code 39 AT amp T MCI 27 Auto Answer 24 auto answer enable disable AT command 72 B back space character 39 carriage return character 39 carrier detect CD 11 23 CD 11 CD Control 23 check telco 49 clear to send 50 clear to send CS 11 AT command 71 clock source 28 32 AT command 72 clocking 86 configuration 17 configuration local CNL 43 configuration profiles 77 configuration remote CNR
63. pany may require this equipment to be disconnected from the network until the problem is corrected or it is certain the equipment is not malfunctioning This unit contains no user serviceable parts An FCC compliant telephone cord with a modular plug is provided with this equipment In addition an FCC compliant cable appropriate for the dial backup option ordered is provided with this equipment This equipment is designed to be connected to the telephone network or premises wiring using an FCC compatible modular jack which is Part 68 compliant The following information may be required when applying to the local telephone company for leased line facilities Service Digital Facility Service Order Network Type Interface Code Code Jacks 2 4 kbps Digital Interface 04DU5 24 6 0F RJ 48S 4 8 kbps Digital Interface 04DU5 48 6 0F RJ 48S 9 6 kbps Digital Interface 04DU5 96 6 0F RJ 48S 19 2 kbps Digital Interface 04DU5 19 6 0F RJ 48S 38 4 kbps Digital Interface 04DU5 38 6 0F RJ 48S 56 kbps Digital Interface 04DU5 56 6 0F 485 64 kbps Digital Interface 04DU5 64 6 0F RJ 48S In the event of equipment malfunction all repairs should be performed by ADTRAN It is the responsibility of users requiring service to report the need for service to their distributor or ADTRAN See the last page of this manual for information on contacting ADTRAN for service Federal Canadian Emissions Requirements Radio Frequency Interference Statement Th
64. rates 2 4 4 8 9 6 19 2 38 4 56 and 64 kbps Asynchronous rates 2 4 4 8 9 6 19 2 38 4 and 57 6 kbps FCC Approval FCC part 15 class A and part 68 DTE Interfaces Both EIA 232 and V 35 electrical and physical DTE interfaces Data Buffering Internal slack buffer DSU AR Rackmount User Manual 85 Appendix F Specifications Summary 86 Clocking Normal DDS or private network tributary slaved to network receive clock Private network master internal clock Normal DDS with tail circuit Private network master slaved to external clock Switched Mode Dialing Options Stored number Front panel keypad DTR dialing of stored number In band AT commands V 25 bis in band dialing Diagnostics Network CSU and DSU loopbacks User Local DTE and loop remote V 54 Test Patterns 2047 511 DDS stress patterns 1 to 4 Line Requirements Loop transmission parameters as defined in AT amp T PUB 62310 Dedicated DDS AT amp T PUB 41468 Switched 56 SPRINT TS 0046 Switched 56 Line Interface RJ 48S 4 wire full duplex Receiver Sensitivity 45 dB at all rates Environment Operating Temperature 0 to 50 C 32 F to 122 F Storage Temperature 20 C to 70 C 4 F to 158 F Relative Humidity Up to 95 non condensing Dimensions 1 00 H 6 75 W 10 50 D Weight 1 5 lbs DSU AR Rackmount User Manual 61200 034L1 1 Index Symbols 2047 pattern 61 4 wire Switched 56 3 511 pattern 61 A ab
65. rther information contact one of the numbers listed at the end of this manual DSU AR Rackmount User Manual 3 Chapter 1 Introduction 4 DSU AR Rackmount User Manual 61200 034L1 1 Chapter 2 Installation UNPACK INSPECT POWER UP Receiving Inspection Carefully inspect the DSU III AR Rackmount for any shipping damages If damage is suspected file a claim immediately with the carrier and contact ADTRAN Customer Service If possible keep the original ship ping container for use in shipping the DSU III AR Rackmount for repair or verification of damage during shipment Equipment Included 61200 034L1 1 The following items are included in ADTRAN shipments of the DSU III AR Rackmount DSU III AR Rackmount main module rear plug in module user manual insert RJ 45S cable to connect the DSU AR Rackmount to the network DSU AR Rackmount User Manual 5 Chapter 2 Installation Customer Provides The customer must provide an EIA 232 interface cable with standard 25 pin male D type connectors Cannon or Cinch DB 19604 432 or a V 35 cable Power Up The shelf and installed units are internally powered by an AC or DC power supply An optional second power supply can be used for redundant protection For information regarding installation of power supplies see the Smart 16 Shelf User Manual 6 DSU AR Rackmount User Manual 61200 034L1 1 INSTALLATION 61200 034L1 1 Chapter 2 Installation
66. s reset to zero when RS changes to the active state and is updated every second while RS is active When the anti stream timeout expires the DSU III AR stops transmitting DTE data into the net work but continues to accept data from it This condi tion exists until the DTE deactivates the RS input Select one of three different control modes for the receive line signal detector CD lead The default factory setting is NORMAL Forced On The CD lead remains active all the time Normal The CD lead is on only when data is present on the loop Off With LOCD The CD is on except after disconnect in Switched 56 applications Select the DSU III AR response to the data terminal ready TR lead The factory default setting is IGNORED Ignored The TR input is ignored Idle When Off In SW56 mode TR off causes the DSU to go On Hook idle The unit also does not dial out if TR is off In dedicated mode the DSU goes into DTE command mode when TR goes off When TR goes on if the DSU DSU AR Rackmount User Manual 23 Chapter 4 Configuration 24 Auto Answer SR Control does not receive a command in the number of seconds set in 40 the DSU goes into data mode Off On Dial 1 Dial stored 1 TR goes off to on SW56 only Off On Dial 2 Dial stored 42 TR goes off to on SW56 only Specify how incoming calls are to be answered If ENABLED incoming calls are automatically answered by the DSU AR If DISABLED
67. s the current DTE Rate setting for the DSU DTE Format Indicates the current DTE Format setting for the DSU Test Status This portion of the Status screen displays the type of test currently running on the DSU III AR Rackmount If no test is being performed at this time NO TEST is dis played See the chapter Testing and Troubleshooting for more information on tests Self Test A self test is performed during power up PASS indicates there are no problems with the operation of the DSU III AR Rackmount DSU AR Rackmount User Manual 61200 034L1 1 61200 034L1 1 Chapter 5 Status Software Rev Indicates the software version of the DSU III AR Rack mount Checksum Displays the checksum of the software Loop Status For normal operation LOOP IS NORMAL should be displayed The status of the main telco line is indicated by one of the following messages Check Telco The Transmit and Receive Tx Rx pairs of the loop connection are reversed The pairs should be swapped for normal opera tion LL Test From Telco A local loopback test has been initiated from the telco This test may be terminated only by the telco RL Test From Telco A remote loopback test has been initiated from the telco This test may be terminated only by the telco Loop is Normal The DSU is connected to the dedicated line No Rx Signal The DSU detects sealing current but no receive signal No Frame Sync The DSU cannot sync on the signal
68. shown in Figure 4 1 To set any of the parameters listed on the terminal screen select the menu number corresponding to the parameter The options are displayed at the bottom of the screen Select the number corresponding to the desired option DSU III AR CONFIGURATION MENU NETWORK TEST COMMRND OPTIONS 5 16 LOOP RRTE RUTO NCHRONDUS METHORK RDDRESS 8 18 BITS NETWORK TYPE DEDICATED MAL CLOCK SOURCE FROM NETWORK RS TEST TIMEOUT 8 REMOTE TEST EN OFF LL EIR DIS RL EIR DIS REMOTE CONFIG EN FRONT PANEL EN 005 ENTER MAN SYNC 57 6K RSV ED 0FF FF ELECTION SHELF 1 SLOT 5 Figure 4 1 VT 100 Local Configuration M enu DSU AR Rackmount User Manual 19 Chapter 4 Configuration DTE Options 20 The DTE Option side of the Configuration menu is used to select the configuration parameters that control the operation of the DSU III AR s DTE interface such as the DTE rate data format transmit clock CS options and CD options Connector Type Select RS 232 or V 35 to specify which of the primary channel connectors is used to connect to the DTE The factory default setting is V 35 DTE Data Format Select the SYNCHRONOUS or ASYNCHRONOUS mode of operation for the DTE interface The factory default setting is SYNCHRONOUS If ASYNCHRONOUS is chosen the word length must be selected Async Word Length Select a word length of 9 10 or 11 bits for asynchronous operation Transmit Clock Select a NORMAL or
69. stallation Table B A Pin Assignments for EIA 232 Connectors Pin EA Description a a 1 2 BA Transmit Data SDP U 3 88 RecveDate RD 4 RequestoSend RS 3 GesneSend CS 6 Data Set Ready 8 CF Received Line Signal Detector CD 9 Tes Point 10 1 72 TestPoint 15 DB Transmit 7 DD Reeve Clock 8 61200 034L1 1 DSU AR Rackmount User Manual 73 Appendix B Pinouts V 35 CONNECTOR The DSU AR Rackmount is equipped with a V 35 Connector labeled PRI V 35 Table B B shows the pin assignments for this connector For more information see the chapter Installation Table B B Pin Assignments for Primary V 35 Connector Pin A C Received Line Signal Detector CD Dota Terminal Ready TR Ring Indicator RI Local Loopback LL Remote Loopback RL 1 X N 74 DSU AR Rackmount User Manual 61200 034L1 1 Appendix B Pinouts TELCO CONNECTORS The DSU III AR Rackmount has two eight position modular jacks labeled LINE 1 and LINE 2 Table B C shows the pin assignments for the Main connector and Table B D shows the pin assignments for the Backup connector For more information see the chapter Installation Table B C Pin Assignments for LINE 1 Connector 1 RTs Transmit Data from DSU to Network Ring 1 Transmit Data fr
70. t Nu 29 Enter Manual Command sse 29 DATAMATE Configuration etel otn eR a aede 30 Network Options ie edet t eee es 30 LOOP cep RE Hr eeu do EE 30 5 1 amp 30 Network Address 3 8 4 metere etii 30 Remote 32 Network Eten theo tie ent 32 Dedicated 5 amena edel ees 32 ATS T MCGI SW 32 US Sprint 5567 ete d 32 Glock SOUT CE 32 Master Se DO D nies 32 Front Network patte eie epar tlt 32 epu eto A Pepe are 33 DTE sns Irun quee uie dB 33 Scrambler Off an net ede donee en eed 33 Scramble Of ii seio iae stu 33 Suppress LBE Data Invert 33 Connector EA Pe Her ede nde 33 Data Format teneas el epe alten aah RR ese aeg ee 33 DIE Gomimand Option 2552 p e d eto oe eR 33 Transmit Clock os eR a a Uo eed ee SEHR 34 CS Options asien srl souci ERE 34 cereo ERR Hof 34 Follows RS testis vedete ide 34 Follows CD s rete ee 35 Follows edt 35 artis 35 STEIN i o ee rom Sendak eo a b e arse 35 Miner NE LET 35 Hime LO SEC net Hd e Hb Go
71. ting character is a carriage return ASCII 013 but it can be changed by writing a different value to register S3 Before the terminating character is transmitted the command line can be edited by using the backspace character ASCII 008 to erase errors so the proper commands can be entered Valid AT commands for the DSU III AR RM are listed in the appendix AT Commands DSU AR Rackmount User Manual 61200 034L1 1 Chapter 4 Configuration V 25 BIS COMMANDS SDLC Option Bi Sync Option 61200 034L1 1 When configured for the V 25 bis option the DSU III AR RM accepts in band dialing and configuration com mands from both synchronous and asynchronous DTE ports The V 25 bis option supports the following protocols SDLC Synchronous Data Link Control BI SYNC ASYNCHRONOUS Character Format Data bits 8 Parity bit Ignored Command Structure V 25 bis COMMAND FCS The address field A is FFH The control field C is set to 13H except for cases of multi frame responses For this case the control field is set to 03H in all but the last frame The 03H in the control field indicates that other frames are to follow while the 13H in the control field indicates the final frame Character Format Data bits 7 Parity bit Odd Command Structure SYN SYN STX V 25 bis COMMAND ETX DSU AR Rackmount User Manual 41 Chapter 4 Configuration 42 Asynchronous Optio
72. tribu tor cannot help please contact ADTRAN Technical Support and have the unit serial number available Technical Support 800 726 8663 Repair and Return If ADTRAN Technical Support determines that a repair is needed Technical Support will coordinate with the Return Material Authorization RMA department to issue an RMA number For information regarding equipment currently in house or possible fees associated with repair contact RMA directly at the following number RMA Department 205 971 8722 Identify the RMA number clearly on the package below ad dress and return to the following address ADTRAN Inc RMA Department 901 Explorer Boulevard Huntsville Alabama 35806 2807
73. ts all DDS service rates yielding synchronous DTE rates of 2 4 4 8 9 6 19 2 38 4 56 and 64 kbps and asynchronous DTE rates of 2 4 4 8 9 6 19 2 38 4 and 57 6 kbps At the service rates of 56 kbps and 64 kbps the unit can be configured to run slower DTE rates async or sync Secondary channel operation is supported at all service rates up to 56 kbps providing terminal rates of 75 150 300 600 DSU III AR Rackmount User Manual 61200 034L1 1 Chapter 1 Introduction 1200 and 2400 bps The secondary rates available depend on the service rate configured 4 Wire Switched 56 Overview This switched 4 wire Digital Data Service allows cus tomers to pay for data connection only for the time the unit is active The regional operating companies provide the 4 wire local loop service to SW56 customers In SW56 mode the DSU III AR supports synchronous DTE rates of 2 4 4 8 9 6 19 2 38 4 and 56 kbps and asynchronous DTE rates of 2 4 4 8 9 6 19 2 38 4 and 51 6 kbps WARRANTY AND CUSTOMER SERVICE 61200 034L1 1 ADTRAN will replace or repair this product within five years from the date of shipment if it does not meet its published specifications or fails while in service For detailed warranty repair and return information refer to the ADTRAN Equipment Warranty and Repair and Return Policy Procedure Return Material Authorization RMA is required prior to returning equipment to ADTRAN For service RMA requests or fu

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