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Configuring the 3512

1. a COMPRESSION LI LI LI a a a y my kh Y EN y MODIFY DSU PROTECTION ACTIVATE CONFIG COMPRESS RESTORAL DUALVIEW CONFIG z LI lt 4 NODE PORT PANEL RESTOBAE 1 METHOD n MODIFY NETWORK y DIAL MODIFY SLV ADDR y INIT PARAME CONFIGU RATIONS y AUTO a ANSWER lt LI m Y RESTORAL CONFIG Note Some main menus display only if you have purchased an optional feature MODEM CONFIG DIGITAL CONFIG PHONE NUMBER Taa DL MONITOR Di Figure 4 1 x MODIFY AUXILIARY RESTORAL DUALVIEW COMPRESSION Menus Configuring the 3512 4 5 4 6 Configuring the 3512 Categories contain parameters that have selectable options For instructions on accessing categories parameters and options refer to Chapter 3 The Front Panel When options are selected most are automatically saved so that the configuration is saved even if the power goes down However the Time parameter FRONT PANEL category is cleared when the power supply is interrupted NOTE If Password is enabled you must enter the password to make configuration changes Refer to PROTECTION x AUXILIARY main menu for details When operating under network control all configuration changes can be made from the NMS
2. Figure 4 7 x COMPRESSION Categories Parameters and Options COMPRESSION COMPRESS CONFIG COMPRESS CONFIG Category This section describes the parameters under COMPRESS CONFIG the only category under the COMPRESSION main menu P3 Port 3 Default Compress Options Compress Direct Description P3 options specify whether Port 3 compresses and decompresses data that it passes to and from the leased line Port 3 provides a V 35 interface Direct Port 3 does not compress and decompress data it provides a standard protocol transparent DTE port Compress Port 3 accepts only High level Data Link Control HDLC synchronous framed data It compresses transmit data decompresses received data and performs error correction and error detection functions 4 66 Configuring the 3512 RestP3 Restoral Port 3 Default Compress Options Compress Direct Description RestP3 specifies whether Port 3 compresses and decompresses data when operating in restoral mode Direct Port 3 does not compress and decompress data it provides a standard protocol transparent DTE port Compress Port 3 accepts only High level Data Link Control HDLC synchronous framed data It compresses transmit data decompresses received data and performs error correction and error detection functions P3 Rate Port 3 Rate Default 256 Options 256 192 168 128 112 64 0 56 0 48 0 38 4 28 8 24 0 19 2 14 4 9 6 De
3. 20 Supported Not Supported 4 8 4688 Supported Not Supported 9 6 9487 Supported Supported 19 2 19040 Supported Supported 56 0 55200 Supported Supported 64 0 62400 Supported Not supported Muxed Multiplexing or Rate Adaptation This option provides non interruptive network management over a derived secondary channel on services that do not provide a secondary channel This option lets you configure the DTE port to any standard data rate On DDS I and 64k CC service the 3512 frames data into two channel TDM to the DTE and network control channel This maintains the rates specified by CHn Rate On DDS II SC type service network control uses a non interruptive secondary channel supplied by the service The Muxed option supports the following CHz Rate options 0 0 1 2 2 4 4 8 7 2 9 6 12 0 14 4 16 8 19 2 21 6 24 0 28 8 32 0 38 4 and 48 0 MPM Mux Master Device Multipoint Multiplexing or Rate Adaptation This option configures the unit as the master device in a multipoint muxed application It provides non interruptive network management on services that do not provide a secondary channel This option displays only when Opmode DDS I With this option the 3512 frames the DDS line data into two channel TDM to the DTE and NC ports This maintains the rates specified by CHn Rate MPM Mux supports the following Data Rate options 9 6 19 2 and 56 0 Configuring the 3512 4 19 4 20 Configuring the 3512 MPM B
4. Period Hyphen Diamond Diamond ABCD ABCD Quiet Answer Disconnect H Termination Instructs the 3512 wait for a dialtone specifies how long to wait When the 3512 detects a dialtone it dials the remaining digits characters as if the call had been initiated from that point If the 3512 does not detect a dialtone after a dial wait modifier it hangs up kRESTORAL main menu MODEM CONFIG category Instructs the 3512 to pause during dialing specifies how long to wait RESTORAL main menu MODEM CONFIG or DIGITAL CONFIG category Instructs the 3512 to pulse dial the numbers that follow it Without pulse modifiers in the number stream the 3512 dials according to the Dial parameter setting kRESTORAL main menu MODEM CONFIG category Instructs the 3512 to tone dial the numbers that follow it Without tone modifiers in the number stream the 3512 dials according to the Dial parameter setting RESTORAL main menu MODEM CONFIG or DIGITAL CONFIG category Instructs the 3512 to flash hook a PBX control signal to enable special dialing features Presentation characters ignored by the 3512 Special tones for telephone systems that use DTMF tone dialing Instructs the 3512 to wait for ringback followed by 5 seconds of silence Instructs the unit to hang up used in conjunction with Quiet Answer to communicate with a Motorola 326X Series modem that uses Quiet Answer Password Security Indicates the end o
5. if a 3512 with Rest Rate 14 4 kbps trains with one whose value is 9 6 the resulting rate is 9 6 In single channel operations where DTE Con Normal rate negotiation sets Port 1 s line rate In TDM applications where DTE Muxed rate negotiation subtracts channel bandwidth until the channels aggregate bandwidth is less than the restoral line rate Starting with the highest numbered channel that is assigned bandwidth the 3512 decrements its rate in the following steps 14 4 12 0 9 6 7 2 4 8 2 4 1 2 0 until the aggregate bandwidth is less than the restoral line rate If it decrements to 0 without matching the restoral line rate the 3512 selects the next highest numbered channel and decrements as above Example 1 A local 3512 with Rest Rate 14 4 and remote unit with Rest Rate 12 0 The local unit initiates restoral and negotiates a line rate of 12 0 and its Channel 4 rate changes to 1 2 kbps Local Rate Before Rate After Channel Negotiation Negotiation 1 4 8 4 8 2 2 4 2 4 3 2 4 2 4 4 2 4 1 2 Example 2 A local 3512 with Rest Rate 14 4 and remote unit with Rest Rate 9 6 The local unit initiates restoral and negotiates a line rate of 9 6 Local Rate Before Rate After Channel Negotiation Negotiation 1 4 8 4 8 2 2 4 2 4 3 2 4 1 2 4 2 4 0 0 CHn Rate n 1 8 Default Varies with configuration and features Options When Restoral And Restoral Method Type Is Channel Rate Options Ar
6. 8 Testing and Troubleshoot ing for details NOTE If the DTE does not support 141 disable this parameter Enable The 3512 starts a loopback when the DTE asserts Circuit 141 Disable The 3512 functions as if Circuit 141 is always off Pn ASD Port n Automatic Stream Disconnect Default Disable Options Disable Enable Description Automatic Stream Disconnect ASD disconnects a streaming terminal on Port n This is normally used in a multipoint configuration Pn ASD Delay n Automatic Stream Disconnect Delay Default 005 seconds Options 1 to 255 seconds Description This parameter applies only when ASD Enable It determines how long RTS must be asserted before the streaming terminal is disconnected Pn ASD Restore Port ASD Restore Description You can only select Y Yes with this parameter Press to reconnect a terminal that was disconnected by ASD 4 26 Configuring the 3512 MODIFY NETWORK Category MODIFY NETWORK parameters configure the 3512 for network management NOTE When a Motorola Network Management System NMS is not connected you use NC Address to identify remote units NC Override Network Control Override Default Off Options Off On Description This parameter sets network manager control of the 3512 Off Allows network management control With this option configuration changes must be initiated from the NMS On Prevents network control
7. CSU Loopback signal starts a loopback and triggers restoral if the 3512 is enabled to do so 2 If an RT makes the 3512 auto initiate restoral the unit does not execute the RT during the restoral session Mux Loss Default Off Options Off On Description When Mux Loss On and DDS to Dial Auto and the 3512 detects loss of mux framing synchronization it automatically initiates restoral in accordance with the From DDS option Automatic termination of restoral can only occur in accordance with the Trm Tmr option Dial to DDS auto termination does not apply Configuring the 3512 4 47 AUTO ANSWER Category The parameters in the AUTO ANSWER category specify whether the unit answers a on restoral call NOTE Refer to the DTR parameter DIAL PARAMETERS Answer Default Disable Options Disable Enable Description Enable With this option the 3512 automatically answers a call as follows With integral restoral when the 3512 detects an incoming restoral call With A B restoral when the 3512 detects DTR or RTS on Port 2 Answering can be further refined by Conditional Answer next NOTE Set Answer Enable in at least one 3512 so a call can be answered Cond Answer Conditional Answer Default Disable Options Disable Enable Description Specifies whether the unit answers a call At least one INIT PARAMETER condition must be enabled for Conditional Answer to operate Disable The 3512 answers accor
8. DLM from the front panel from an NMS or through Remote Front Panel RFP The test runs as follows When the unit is powered up Each time you select the Hour or Day options At the specified interval hourly or daily When the test is initiated it interacts with other conditions as follows If DL Monitor The alternate line is active Does not run initiates at next scheduled interval A service provider initiated Does not run initiates at next scheduled interval SW 56 test is active Hold Dial Line is in progress Does not run initiates at next scheduled interval Restoral is triggered while Completes restoral begins DLM is running Disable With this option DLM does not run Hour With this option DLM is initiated once per hour beginning at power up or when the option is set whichever occurred later Day With this option DLM is initiated once per 24 hours beginning at power up or when the option is set whichever occurred later 4 62 Configuring the 3512 DUALVIEW DUALVIEW The DualVIEW feature controls certain 3512 functions from IBM s NetView Network Management System from a Motorola 9800 or 9300 Network Management System NMS or from both concurrently From NetView you can access 3512 status information and run a transmit receive test From an NMS you can do these functions run additional tests and configure the 3512 Dual VIEW is not available When 64k CC service is configur
9. High option Off The 3512 does not automatically initiate retrains but responds to retrains from the remote 3512 DIGITAL CONFIG Category This category displays 3512s that have the digital restoral feature when Method Integral DIGITAL CONFIG parameters define how the 3512 operates y digital restoral Call Cntrl Call Control Default EINE 07 Options SW56 DDS Description Call Control selects the restoral line type SW56 Selects a switched digital 56 kbps line DDS Selects a digital 56 kbps DDS I line Echo Can Echo Cancel Default Enable Options Enable Disable Description This parameter displays only when Call Control SW56 It determines whether to transmit an Echo Canceller signal during a call set up sequence Configuring the 3512 4 55 Pause Dly Pause Delay Default 3 sec Options 3 sec 6 sec 9 sec 12 sec Description Pause Dly displays only when Call Control SW56 It determines how long the 3512 pauses for pause delay dial modifiers in a phone number refer to Table 4 2 SW 56 supports the following dial modifiers Modifier Symbol Description Digits Othrough9 Telephone number Letter K less than Kk lt Instructs the 3512 to pause during dialing comma and specifies how long to pause HoldDialine Default Off Options Off Imin 2min 3min 4min 5min Description HoldDiaLine displays only when Call Control SW56 It lets the 3512
10. MODIFY main menu MODIFY NETWORK category 2 Set all devices to DTE Con Normal MODIFY MODIFY PORT 3 Set the Opmode to match the DDS service type DDS I or DDS II SC MODIFY DSU category 4 Confirm that the line rate is correct for the application as follows a Set Data Rate Auto MODIFY DSU category NOTE The Data Rate default option is Auto b Wait 60 seconds then check the rate display KSTATUS main menu c Set the line rate to match the DDS service rate using Data Rate 5 If the AL LED is red check the general alarm queue EK STATUS main menu ALARM STATUS category If the ST LED is not red continue with Step 6 6 Set a unique Network Control NC address for each device kx MODIFY main menu MODIFY NETWORK category 7 Runa line pattern loopback test to the remote device as follows for details on running this test refer to Chapter 8 Testing and Troubleshooting First initiate a Remote Loop 2 test on the local 3512 this test puts the remote unit into loopback it transmits received data back towards the local 3512 a Under the K TEST menu press a until LOOPBACKS displays b Press until Rm Loop 2 Off displays c Press to select Rm Loop 2 P1 d Press Rm Loop 2 1 displays The loopback is now active Configuring the 3512 4 3 4 4 Configuring the 3512 The T R LED turns steady orange The ST LED should flash green With Remote Loop 2 active run a pattern test as foll
11. PROTECTION provides password protection to prevent unauthorized people from changing the configuration or running tests FRONT PANEL modifies the front panel display properties RMT FRONT PANEL begins and ends an RFP session SRCH REMOTE ADDR locates a 35XX on the network by serial number SET REMOTE ADDR locates a 35XX on the network by serial number and copies its NC Address value to the Remote Addr parameter AUXILIARY m e nnn EBEN nnn nnn A PROTECTION Password _ PSW _ Change Password Disable Time Enter Old P 0000 Enable 10 min Enter New P 0000 Off Verify New 0000 numeric characters 0 9 t E nnn ann EBEN EBEN nnn nnn A FRONT PANEL Backlight Lamp Msg Select Msg Time 210 min Off Deflt 3512 DDSn nn nn nn a On On User n 1 2 rt nnn nnn nnn EBEN RMT FRONT Remote Initiate Terminate PANEL nnn nnn EBEN nnn A SET REMOTE Serial nnnnnnnnn Remote Addr XXX Execute ADDR nnn nnn EBEN A SRCH Ser nnnnnnnnn gt Execute REMOTE ADDR i Figure 4 4 x AUXILIARY Categories Parameters and Options Configuring the 3512 4 33 PROTECTION Category The PROTECTION category lets you control and modify the password functions NOTE When the passw
12. Rate options 9 6 19 2 and 56 0 NOTES 1 Channel sharing is available with DTE Con parameter options 2 RTS DCD inband DTE signaling RTS and Pn DCD parameters and DTR DSR inband DTE signaling and Pn DSR parameters should not be enabled at the same time 3 When DTE Con MPM Mux MPM BitS MPS Mux or MPS BitS RTS DCD and DTR DSR inband signaling are not supported 4 When DTE Con MPM Mux MPM BitS MPS or MPS BitS you must set Scrmblr Disable 5 The multipoint options MPx y where x M or S and yzMux or BitS display only when Opmode DDS I you have the MP Mux feature and Data Rate not Auto Config Port Configure Port Default Pl Options P1 to P4 depending on the number of ports on the unit Description This parameter which does not display on 1 port 3512s specifies the port that is configured by the rest of the parameters in this category Select an option then set the rest of the parameter Repeat for each port Pn Data Port n Data Default Sync Int Options Sync Int Sync Ext Sync Sta Async 6 9 Description This parameter selects a DTE port s data type and timing source Sync Int This option specifies a DTEs with synchronous data and timing from the 3512 s clock Sync Ext This option specifies a DTE with synchronous data and timing external to the 3512 such as from the DTE itself Sync Ext synchronizes ports connected by a DCE DCE crossover cable Sync
13. Sta This option specifies a DTE with synchronous data and timing external to the 3512 It synchronizes ports connected by a DCE DCE crossover cable and uses one clock for both transmit and receive timing Async 6 through Async 9 These options specify a DTE with asynchronous data and 6 to 9 data bits per word The 3512 converts data to and from synchronous form using the V 22 algorithm The options include data and parity bits but not start and stop bits as follows With Total Data This Option Specifies and Parity Bits Async 6 Asynchronous data 6 Async 7 Asynchronous data 7 Async 8 Asynchronous data 8 Async 9 Asynchronous data 9 For example with six data bits and one parity bit select Async 7 The DTE can use any parity even odd no and number of stop bits 1 or 2 When using a 5 bit Baudot code and two stop bits select Async 6 You cannot use 1 5 stop bits with the 5 bit Baudot code NOTES 1 Asynchronous data rates up to 19 2 kbps are supported 2 This parameter does not display when the unit is in restoral Configuring the 3512 4 21 Pn RTS Request to Send Default Normal Options Normal Always On DCD IBS Description This parameter determines how the 3512 responds to a DTE s RTS signal on Port n Refer to Table 4 2 Normal The DTE controls the RTS CTS handshaking sequence When the DTE asserts RTS the local unit asserts CTS and transmits data from the DTE port to the DD
14. Status functions Marks are required on a DDS line Idle Use this option in multipoint and point to point applications where the devices are configured for restoral to a pool of dial devices Selecting Idle lets the NMS maintain control of DDS line multipoint slaves NOTES 1 LL Restoral displays only if the 3512 has integral restoral or TDM 2 Idle is required when DTE Con MP Mux or MP Bits RT or LTCH DSU Latching DSU Loopback LLB Default Enable Options Enable Disable Description This parameter display depends on the line service specified by Opmode With 64k Clear Channel service LTCH DSU displays With DDS I and DDS II SC type services RT displays Both are signals sent by the service provider to initiate loopbacks for testing NOTE When passing data on the restoral line an RT can be executed on the primary line without disrupting restoral line data When passing data on the primary line an RT cannot be executed on the restoral line without disrupting primary line data In 64k CC mode the only mode that uses LLBs the 3512 does not respond to LLBs on the inactive line while it is transmitting data on the active line Enable This option lets the 3512 respond to one kind of loopback signals When Opmode 64k CC it processes Latching Loopbacks LLBs When Opmode other options it processes RTs Disable This option makes the 3512 ignore both kinds of signals Configuring the 3512 4 15 4 16 Co
15. device is not cleared by the Factory parameter CONFIGURATIONS category NOTES 1 A slave address entered in this category must be the slave s network control address as it appears in NC Address MODIFY NETWORK 2 A slave with an address of 000 is not trained by the master device 3 After master or slave devices addresses initiate a training sequence to ensure that they can recognize one another Configuring the 3512 4 31 CONFIGURATIONS Category The single parameter in this category Factory changes parameters to their factory defaults If all the parameters are already at their default settings Factory Yes displays If any parameters have been changed Factory No displays To change all parameters to factory default settings change this parameter to Yes The message Loading displays briefly before the selection changes to Yes NOTE This procedure does not alter e Phone numbers RESTORAL main menu PHONE NUMBER category The phone number linked list PHONE NUMBER category NC Address x MODIFY MODIFY NETWORK category e Password x AUXILIARY main menu PROTECTION category PSW Time PROTECTION category e Msg x AUXILIARY main menu FRONT PANEL category The slave address list in the master device x MODIFY main menu MODIFY SLAVE ADDR category 4 32 Configuring the 3512 X AUXILIARY AUXILIARY RFP The x AUXILIARY main menu categories are as follows see Figure 4 4
16. external restoral is not used and integral restoral is or is not used TDM P to CH 1234 Channel Sharing P to CH 1111 Mixed TDM Channel Sharing P to CH 1123 When external restoral is used TDM P to CH 1234 Channel Sharing P to CH 1111 Mixed TDM Channel Sharing P to CH 1113 4 12 Configuring the 3512 CHn Rate n 1 through 8 Default 1 2 Channel 1 only 0 Channels 2 8 Options 0 0 1 2 2 4 4 8 7 2 9 6 12 0 14 4 16 8 19 2 21 6 24 0 28 8 32 0 38 4 48 0 and 56 0 kbps Description This parameter sets Channel n s data rate It displays only when DTE Con MODIFY PORT category is set to one of the muxed options The channel rates sum must be less than the port data rate NOTES 1 Asynchronous data rates up to 19 2 kbps are supported 2 In MP Mux mode the master transmits channel rates to slaves during training 3 You may assign bandwidth to a channel without mapping a port to it in this case the channel is inactive Refer to Chapter 6 for more information Configuring the 3512 4 13 Timing Default Network Options Network Internal Ext P1 through n number of DTE ports in unit Description This parameter selects the 3512 s primary line transmit timing source The 3512 always derives its receive timing from the received data signal Network With this option timing is derived from the received data signal This
17. how the 3512 SDC re assembles received data frame fragments in order to transfer whole frames to the DTE Compared to standard or data transparent DSUs data compression adds throughput delay TpDlyMin minimizes this delay Rx Clk Receive Clock The unit begins transferring received frame fragments to the DTE port when it receives the first fragment If subsequent fragments do not arrive before the frame is completely transferred the Port 3 receive clock stops until the next fragment is received to prevent a data underrun from occurring Use this option if your DTE supports receive clock stopping RxD Dly Receive Data Delay The unit begins transferring frame fragments to the DTE port when the results of a statistical algorithm indicate that the unit will receive remaining fragments in time to transfer a full frame to the DTE port With this setting occasional underruns may occur Use this setting only if your DTE does not support receive clock stopping and you have a delay sensitive application Off The unit begins transferring a frame to the DTE port when it has received an entire frame Use this option if your DTE does not support receive clock stopping and the application is not delay sensitive Cmprs Mode Compress Mode Default Orig Options Orig Ans Description Compress Mode identifies the A ends of a leased line link It does not apply to restoral modes which automatically determine ends Orig Originate Specifi
18. is also known as loopback or receive timing Use this option when operating over a digital transmission services DDS network Internal This option uses an internal oscillator for timing Use this option at one end of back to back 3512 applications such as limited distance drivers and pre installation setup Ext P1 through where n a DTE port number With these options the 3512 s timing is derived from the specified port s DTE clock NOTES 1 Ext Pn is not recommended for DDS networks Motorola recommends using Network timing 2 With Ext Pn set the corresponding Pn Data parameter MODIFY PORT category to either Sync Ext or Sync Sta IMPORTANT External timing only operates when the line rate is an exact multiple of the port rate supplying the timing This precludes the use of external timing when the Opmode DDS II because the actual line rates are never exact multiples of port rates For the same reason external timing is not supported when Opmode DDS I and DTE Con a bitstealing option Refer to Chapter 6 for tail circuit application timing considerations 4 14 Configuring the 3512 64k CC only LL Restoral Leased Line Restoral Default Mark Options Mark Idle Description LL Restoral specifies codes the 3512 uses to signal the network Mark Use this option in typical point to point restoral applications between two digital DDS line devices Mark lets the local device use Circuit Assurance and System
19. port Port to Channel Mapping Guidelines Keep the following in mind when using port to channel mapping If you are not configuring channel sharing you may specify any combination of channel numbers 0 8 as long as each channel is only specified once NOTE Eight channels are provided to allow interoperability with 8 channel Motorola 3520 DSU CSUs Map unused ports to Channel 0 Only one channel sharing unit may be configured on a 3512 In MP Mux mode the master device transmits channel rates to slave device s during training n any muxed mode you may assign bandwidth to a channel without mapping a port to it in this case the channel is inactive n an external restoral A B configuration If you configure channel sharing you must Port 2 to the shared channel You cannot configure multiple ports to share Channel 2 With no channel sharing you must map Port 2 to Channel 2 Configuring the 3512 4 11 In the configuration shown below for a 4 port 3512 Ports 1 and 3 share Channel 1 and Port 4 is assigned to Channel 3 NOTE Port 2 appears to share the map to Channel 1 however it is not used P to CH 1113 Here is an example of a port to channel map that does not specify channel sharing on a 4 port 3512 P to CH 3214 Here port to channel assignments are as follows This port To this channel 1 3 2 2 3 1 4 4 Port to Channel Mapping Examples When
20. site If you try to initiate a configuration change from a unit s front panel NC ATTACHED displays Use NC Override x MODIFY main menu MODIFY NETWORK category to override network control Depending on the NMS configuration changes made from the 3512 front panel may be overwritten when network control is restored Contact your network manager before overriding the system k MODIFY You configure the 3512 s operating characteristics under the x MODIFY main menu Figure 4 2 This section describes MODIFY parameters and options ann MODIFY lt nnn mum ann ann ann ann MODIFY DSU Opmode Data Rate Scrmblr Disable H P to CH CHn Rate n 1 8 DDS1 Auto Enable 1 1 2 ch 1 only DDS2 2 4 19 2 1234 0 0 ch 2 8 64k 4 8 56 0 0 through 8 at 00 72 16 8 288 9 6 64LDM each position 1 2 96 192 320 24 12 0 21 6 38 4 48 144 240 480 56 0 HEN LT HEN Timing LIL Restoral l 9 RI LTCH gt LD Detect Prop Delay p Network Mark DSU On eNom Internal Idle Enable Off Long Ext Pn Disable Short MODIFY NETWORK Off CONFIGU RATIONS Slv A Addr nnn Slv B Addr n 000 250 nnn Yes HEN Fact
21. 12 responds to lowercase characters from an NMS 3 A space period or hyphen between characters is not required for operation it is used for display only Configuring the 3512 4 59 Link Phone Default 1 Options 0 1 2 3 4 Description This parameter specifies the order in which the 3512 dials telephone numbers specified by Enter Phone if the first call cannot be completed 1 From the RESTORAL menu press until PHONE NUMBER displays 2 Press until Link Phone n displays where n is the phone number 1 4 that you can choose to link 3 Press until the number to link displays Press 4 Press again Link n to m displays where n the number you selected in Step 3 and m the number to which you can link n Press to scroll through the numbers 0 4 to which you can link NOTE The number to which you are linking chosen in Step 3 does not display because a number cannot be linked to itself 5 n the number you want displays press The following displays Link n to m 6 The and keys return you to the main parameter display Link Phone n 7 Repeat Steps 1 through 7 to link the remaining phone numbers NOTES 1 A number can be linked to any other number in any order For example you can link 1 to 2 2 to 3 3 to 4 and 4 to 0 2 You can select to not link a number choose Link n to 0 If you do this the 3512 redials the number of times specified by Auto
22. 23 4 24 Configuring the 3512 Pn CTS Clear To Send where n 1 4 set in Config Port Default Normal Options Normal RTS Description This parameter specifies how the 3512 controls CTS on Port n Refer to Table 4 2 Normal CTS signals the DTE that the device is ready to send data The delay between receipt of RTS and generation of CTS is controlled by the Pn RTS CTS parameter option and any required training time RTS This option forces CTS to follow RTS regardless of the device status NOTE This option overrides the RTS CTS parameter described next Pn RTS CTS Port n Request To Send Clear To Send Default Min Options Min 15 ms 30 ms 75 ms 150 ms 300 ms Description This parameter specifies the delay between the time the 3512 receives the DTE s RTS and the time it responds with CTS Use this parameter to set a wait time the minimum delay is a function of the port rate Port Hate Minimum RTS CTS Delay bps ms Below 7200 None 7200 150 9600 150 12000 150 14400 56000 75 Refer to Table 4 2 NOTE The Pn CTS parameter s RTS option overrides this parameter Pn 140 Circuit 140 signal where n 1 4 Default Disable Options Disable Enable Description This parameter lets the 3512 initiate and accept a remote digital loopback test from a DTE using CCITT Circuit 140 described in Chapter 8 Testing and Troubleshooting This loopback is equivalent t
23. Chapter 4 Configuring the 3512 Contents dl ci octet hg Pu IET 4 2 Verifying Line Qa lity c 4 3 4 5 RMODIFY d 4 7 MODIFY DSU C WELO Sioux b D Eo bl eoa pio ota 4 8 MODIFY PORT Category 4 17 MODIFY NETWORK Licinii trei Eres th PCIE Cor 4 27 MODIFY SLY ADDR Category araos 4 31 CONPIGURATIONS Lagi pete etii 4 32 atone 4 33 PROTECTION C MEROV eons s bees peras Uis pad pend et Etpe Ue conia 4 34 FRONT PANEL M e 4 35 BNET PRON PANEL CREE ioa peti 4 37 SET REMOTE ADDR ADDRESS Category 4 reete 4 38 SRCH REMOTE ADDR Category 4 39 ri dH P 4 40 ACTIVATE RESTORAL C 3Ie SOY s eese Su ri roto epe 4 42 RESTORAL METHOD Cates Ory 4 42 DIAL PARAMETERS Category 4 43 INIT Initialization PARAMETERS Category nm mene 4 46 AUTO ANSWER aa Eoi vanced maa Feb 4 48 RESTORAL CONFIG Category boe E AERE I PLE 4 49 MODEM inim eet coer e Festa 4 52 DIGITAL CONFIG T 4 55 PHONE NUMBER Category adu auro Feet 4 57 DIAL LINE MONITOR DLM Cate
24. Nwk Fnc Network Function Default Ctrl Pri Options Ctrl Pri Trib sec Description This parameter specifies from which direction the 3512 receives NetView commands Ctrl Pri Control Primary Specifies that this 3512 receives LPDA 2 network management commands at the DTE interface Trib Sec Tributary Secondary Specifies that this 3512 receives LPDA 2 network management commands at the DDS line interface In a point to point configuration NetView identifies the local device as Primary and the remote device as Secondary In a multipoint configuration NetView identifies the local device as Control and the remote devices as Tributary 4 64 Configuring the 3512 NV Ports NetView Ports Default 1 port unit 0 2 port unit 00 3 port unit 000 4 port unit 0000 Options 0 1 at each position Description NV Ports identifies which physical ports permit for NetView monitoring NOTE This parameter displays only when Nwk Func Ctrl Pri On the display each position represents a port with Port 1 represented by the leftmost character The number of digits corresponds to the number of physical ports TDM or channel sharing in the 3512 At each position 0 Disables NetView monitoring 1 Enables NetView monitoring Type Default 1 Port 3512 3512 01 2 Port 3512 3512 02 3 Port 3512 3512 03 4 Port 3512 3512 04 Options 3512 01 3512 02 3512 03 3512 04 5822 10 5822 18 Description This parameter indic
25. RESTORAL menu press until PHONE NUMBER displays 2 Press until Enter Phone n displays where n equals 1 4 3 Press until the number to enter is displayed Press The LCD clears with the exception of the in the rightmost position 4 You can now enter the phone number Press to scroll through the numerals 0 9 and dial modifiers available at each position 5 When you reach the number or dial modifier to select press mmm which moves each character one space to the left leaving a lt gt at the right 6 Continue using the and the keys until you have entered the complete dial string refer to Table 4 2 If you make a mistake press once This displays the first number you entered at the right Press to scroll through the characters you have entered When you reach the position of the error use the key to select the correct character 7 wm Press to save the dial string Enter Phone n displays where n equals the phone number 1 4 you entered If while entering a number you want to display Enter Phone n press a twice The message Entry Cancelled displays briefly indicating that the old string was retained Enter Phone n displays where n equals the phone number 1 4 you started to enter NOTES 1 The 3512 ignores characters that are not in its character set Table 4 2 2 You can enter only uppercase dial modifiers through the front panel However the 35
26. Redial 3 When enabled linking occurs regardless of the reason for the failed call Auto Redial Default Off Options Off 1 2 3 4 5 6 7 8 Description Auto Redial specifies the number of times the 3512 redials With linked numbers the 3512 dials all numbers before it auto redials NOTE Redial occurs regardless of the reason for the failed call 4 60 Configuring the 3512 DIAL LINE MONITOR DLM Category The single Dial Line Monitor DLM parameter specifies how often to test the alternate line to help you ensure that it is available when needed This category displays only when the 3512 has an integral restoral feature configured Interval Default Disable Options Disable Hour Day Description This parameter determines how often the 3512 tests the alternate line for the appropriate live line signal With this alternate And this line restoral DLM monitors for For this Analog SLR Interval specified in Dial Wait Dial tone Digital SW 56 Five seconds Wink signal After a failed test the 3512 generates the appropriate message or alarm and notifies the NMS if configured to do so If the line This message This alarm goes to And this LED is displays the queue and NMS goes on OK DL Monitor Pass none none Not OK DL Monitor Fail DLMF Alarm If the line passes the DLM test DLM clears any open DLM alarms Configuring the 3512 4 61 You can set
27. S line When the DTE de asserts RTS the local unit de asserts CTS and sends Idles to the line Always On This option lets the 3512 function as if RTS is continuously asserted If your DTE does not supply RTS use this option DCD IBS In Band Signaling This option lets the 3512 use DCD handshaking signals For proper operation use this option at one 3512 and DCD signaling at the other See DCD next This option cannot be used in multipoint circuits NOTE The use of handshaking signals depends on the DTE or control signal application When using Circuit 140 control Pn 140 Enable set this parameter to Normal Pn DCD Data Carrier Detect 4 22 Configuring the 3512 Default Normal Options Normal Always On RTS IBS Description This parameter specifies how the 3512 controls DCD output to the DTE on Port n Refer to Table 4 2 Normal Asserts DCD while the 3512 detects valid data De asserts DCD when Idles Link Downs or network generated alarms are received Always On This option lets the 3512 function as if DCD is continuously asserted This option overrides other DCD signaling options RTS IBS This option enables the use of RTS handshaking signals For proper operation use this option at one 3512 and RTS signaling at the other See Pn RTS NOTE The use of handshaking signals depends on the DTE or control signal application When using Circuit 140 control Pn 140 Enable set this par
28. UT connector 3512 3512 3512 Ist Tier Master Ist Tier Slave NC In 2nd Tier Master PA d PA mu J We LO ss La SSS i La AM Ics 9800 NMS C Out NC Out NC Out NC Port In NC Port Out NC Port In NC In NC In xe TERIS NC Out INC Out 4253 NC Data Path Secondary Channel Figure 4 3 NC Port Settings NC Type Network Control Type Default Normal Options Normal Reserved Description This parameter specifies how the 3512 is viewed and supported by a network management system NMS Normal This option enables the NMS to manage the 3512 as a 3512 Reserved This option enables the NMS to manage the 3512 as a 3500 4 30 Configuring the 3512 MODIFY SLV ADDR Category MODIFY SLV ADDR parameters set slave addresses at a multipoint master unit This category displays only when DTE Con MPM Mux or MPM BitS MODIFY SLV ADDR Modify Slave Address Default Slv A Addr nnn Slv A Addr nnn through Slv T Addr nnn For nnn 000 250 Description This parameter allows you to specify the network control NC addresses of up to 20 devices Slv A through Slv T in the network To enter a slave address press until MODIFY SLV ADDR displays Press uum to scroll through the slave addresses To enter a slave s NC address refer to Alphanumeric Entry in Chapter 3 The slave address list in the master
29. Use this option for local testing NOTE Contact your network manager before setting to On Depending on the NMS configuration changes made from the 3512 front panel when NC Override On may not be retained when network control is restored NC Port Rate Network Control Port Rate Default 75 Options 75 150 Description This parameter controls the NC IN and NC OUT ports data rate Configuring the 3512 4 27 NC Address Network Control Address Default 000 Options 000 to 250 Description NC Address lets a network control system or a multipoint master identify The 3512 DSU CSU to the network control system MP Mux slave devices to the MP Master This parameter is not cleared by the Factory parameter AUXILIARY main menu CONFIGURATIONS category You can enter a device s address At the front panel using numeric entry refer to Chapter 3 From another 35XX device on the network using Set Remote Address CE AUXILIARY main menu SET REMOTE ADDR category NOTE Contact your network manager before entering an address NC Mode Network Control Mode Default Normal Options Normal Passthru Disable Description This parameter determines NC port characteristics Normal With this option messages on the NC port are interpreted as Motorola NMS format Messages for this device are not passed on This reduces the number of user data interruptions in interruptive DDS applications Messages f
30. actual line rate invalid alarms or CQMS readings may occur 3 Motorola recommends using Auto during installation to confirm the service rate then manually setting the 3512 to match 4 Use the Auto option only when DTE Con Normal or BitSteal 2 4 4 8 9 6 19 2 56 0 These options configure the 3512 to use aggregate data rates For back to back 3512 applications such as limited distance line driver and pre installation setup you must set one device to one of these options For a multiplex configuration both devices must be set to one of these options 64LDM This option displays only when Opmode DDS1 MODIFY DSU category and DTE Con Normal MODIFY PORT category Use 64LDM only to configure a 64k limited distance modem LDM tail circuit application Figure 6 38 NOTE For tail circuits on a service provider s 64k Clear Channel service not LDM or for single tier 64k LDM applications set Opmode 64kCC not 64L DM Configuring the 3512 4 9 Scrmbir Scrambler Default Disable Options Disable Enable Description Scrambler is designed to prevent the inadvertent transmission of data patterns that match loopback triggering patterns in 64k CC mode Loopbacks signal a service provider to begin looping received data back to the 3512 and to latch continue looping until explicitly stopped Latching loops prevent your applications from operating on the network IMPORTANT Do not enable Scrmbler unless the service provi
31. ameter to Normal Pn DTR Port Data Terminal Ready Default Normal Options Normal DSR IBS Description This parameter specifies how the 3512 interprets the DTE s DTR signal on Port n Refer to Table 4 2 Normal The 3512 monitors DTR from the DTE DSR IBS This option enables the use of the DSR handshaking signal For proper operation use this option at one 3512 and DSR signaling at the other See Pn DSR next This option cannot be used in multipoint circuits NOTE The use of handshaking signals depends on the DTE or control signal application When using Circuit 140 control Pn 140 Enable set this parameter to Normal Pn DSR Port n Data Set Ready Default Normal Options Normal Always On DTR IBS Description This parameter specifies how the 3512 controls DSR output to the DTE on Port n Refer to Table 4 2 NOTE For most applications the 3512 should control DSR check your DTE manual to determine whether the DTE requires DSR Normal With this option the 3512 controls DSR signaling Always On This option lets the 3512 function as if DSR is continuously asserted DTR IBS This option enables the use of the DTR handshaking signal For proper operation use this option at one 3512 and DSR signaling at the other NOTE The use of handshaking signals depends on the DTE or control signal application When using Circuit 140 control Pn 140 Enable set this parameter to Normal Configuring the 3512 4
32. ant to set or change with RFP After entering a serial number use the Execute parameter SET REMOTE ADDR category to effect the NC Address change Remote Addr Remote Address Default 0 Options 0 250 Description This parameter specifies the network control address NC Address of a remote 3512 in your network Enter the address to assign to a device whose serial number is specified in Serial SET REMOTE ADDR category Execute Description This parameter sends a command to assign the network control address specified in Remote Addr to the device specified in Serial Use it to change a remote device s NC Address value after entering values in the Remote Addr and Serial parameters 4 38 Configuring the 3512 SRCH REMOTE ADDR Category SRCH REMOTE ADDRESS parameters allow you to find a remote device s NC Address by providing its serial number These parameters do not operate during an RFP session nor RFP escape mode For details on RFP refer to Chapter 3 The Front Panel SRCH RMT ADDR Ser Serial Number Description This parameter specifies the serial number of a remote 3512 connected to your network Use it to find the NC Address option of a remote device After entering a serial number use the Execute parameter SRCH REMOTE ADDR category to begin the search When found ADDR FOUND displays and the NC Address value is put in the Remote Addr parameter Execute Description This paramete
33. ates the device information that is sent to NetView 3512 NetView shows 3512 as model type 5822 10 NetView shows IBM 5822 as DSU type and 10 as model 5822 18 NetView shows IBM 5822 as DSU type and 18 as model Operation Default DDS Options DDS LDM Description This parameter indicates to the NetView manager whether the 3512 is operating over DDS or private wire limited distance circuits For timing options refer to the Timing parameter in this chapter DDS The 3512 operates over a DDS network LDM The 3512 operates as a limited distance modem or line driver Configuring the 3512 4 65 x COMPRESSION COMPRESSION COMPRESSION LI You configure the 3512 SDC s data compression operating characteristics under the COMPRESSION menu Figure 4 7 Only 3512 SDCs display this menu NOTE There is a special reference card to use with the 3512 SDC 35 2 SDC DSU CSU Reference Card Part No 09831 5 Rev B n EBEN nnn COMPRESS CONFIG P3 Compress RestP3 Compress Rate 256 RestP3 Rate 256 Flow Tx Clk Direct Direct 192 38 4 192 38 4 CTS 1168 28 8 1168 28 8 Off 128 24 0 128 24 0 112 19 2 112 119 2 4 0 14 4 4 0 14 4 56 0 9 6 56 0 9 6 48 0 48 0 p EEE EBEN EBEN nnn TpDlyMin Rx Clk Cmprs Mode Orig P3 Format NRZ RestPeer 35XXSDC Rxd Dly Ans 326XSDC Off
34. automatically hold the dial connection when it returns to the primary line If restoral is re initiated within the time specified data transmission resumes on the dial line This feature eliminates the need to redial the remote 3512 phone number to reestablish the dial connection NOTE To function properly HoldDiaLine must be enabled in both the local and remote device Ans Timeout Answer Timeout Default 30 sec Options 15 sec 30 sec 60 sec 90 sec Description Answer Timeout displays only when Call Control SW 56 It determines how long the originate device waits for the answer device to answer its call before disconnecting 4 56 Configuring the 3512 PHONE NUMBER Category PHONE NUMBER parameters let you enter phone numbers and specify how the 3512 accesses and dials them This category displays only when either PHONE NUMBER Method Integral RESTORAL METHOD category and SLR is available Method Integral RESTORAL METHOD category integral digital restoral is available and Call Control SW 56 Table 4 2 lists the 3512 s dial modifiers NOTE You can enter only uppercase dial 9 modifiers through the 3512 s front panel however the 3512 reacts to lowercase dial SW 56 modifiers sent from an NMS Table 4 2 3512 Dial Modifiers Modifier Symbol Description Digits 0 through 9 Used for phone number Dial Wait Ww Pause Delay Kk lt Pulse Pp Tone Tt Flash amp Space space
35. characters Link n to 2 DL Interval Link n to 3 MONITOR Disable Link n to 4 Hour Day E Figure 4 5 x RESTORAL Categories and Parameters Configuring the 3512 4 41 ACTIVATE RESTORAL Category This category lets you manually initiate or terminate dial restoral When ACTIVATE RESTOR displays press Initiate or Terminate displays If Initiate displays the primary line is active To initiate restoral on the alternate line by Port 2 press Terminate displays If Terminate displays the unit is either attempting to switch to the secondary line or using it already To terminate restoral and use the primary line press Initiate dis plays NOTES 1 If automatic restoral or termination parameters are enabled they may override the ACTIVATE RESTOR function 2 At the receiving end of any restoral call you must set Answer Enable AUTO ANSWER category RESTORAL METHOD Category This category specifies the type of restoral to use It displays only when the 3512 is configured with more than one restoral feature Method Default Integral Options Integral A B Description This parameter specifies the type of restoral to use Integral With his option in the event of primary line failure the 3512 can establish a connection to another device It reroutes data over the alternate connection until the primary line is restored NOTE When using an integral digital re
36. cleared Trm Tmr Terminate Timer Default Off Options Off Hr 2 Hrs 4 Hrs Description The terminate timer ends restoral after the period of time you select When Mux Loss On and Trm Tmr Off the 3512 automatically uses a Trm Tmr setting of 4 hours 4 44 Configuring the 3512 DTR Data Terminal Ready Default High Options High Tail 108 1 108 2 Description This parameter specifies how the 3512 initiates and terminates restoral in response to a DTE s DTR signal on Port 1 Pin 20 NOTE DTR displays only when Method Integral RESTORAL METHOD category To determine the appropriate option for your DTE With this Initiate Restoral Initiation Automatic Initiation option When DTR Asserted Requires DTR Requires High No No No Tail Yes No No 108 1 Yes Yes Yes 108 2 No Yes Yes Rest Type Restoral Type Default Analog Options Analog Dig Description This parameter which displays only when Method A B RESTORAL METHOD category specifies how the unit makes and answers dial calls Analog The 3512 monitors RTS to determine when to initiate restoral on an analog dial circuit The restoral modem s DCD is crossed over to the 3512 s RTS pin Dig digital The 3512 monitors DTR to determine when to initiate restoral on an a digital circuit CTS is crossed over to the 3512 s DTR pin Configuring the 3512 4 45 INIT Initialization PARAMETERS Category INIT PARAMETERS Th
37. der requests it to avoid LLBs Disable This option does not avoid triggering latching loopbacks Always use this option when Opmode is set to any of the MPx Mux or MPx BitS options Enable This option encodes transmissions to avoid latching loopbacks NOTE Scrmblr must be disabled in order to run service provider initiated 64k CC LLB and DDS II RT P to CH Default 1 port unit 1 2 port unit 1 2 3 port SDC unit 1 2 3 4 port unit 1 2 3 4 Options 0 1 2 3 4 5 6 7 8 Description P to CH applies to multipoint configurations It lets you assign A DTE port to a TDM channel Multiple DTE ports to a TDM channel when multiple DTE ports share a TDM channel it is known as channel sharing P to CH displays a series of digits whose Position corresponds to a DTE port number Value specifies a TDM channel 0 8 for the port 4 10 Configuring the 3512 Consider for example a port to channel map on a 4 port 3512 back panel shown below C e emmm PORT PORTS PORT 4 Oar DDS PORT 1 NC OUT NCIN i Guz n Here Ports 1 2 and 3 form a channel sharing unit assigned to Channel 1 and Port 4 is assigned to Channel 2 1111112 The P to Ch setting for this configuration is P to CH 1112 P to Ch applies to primary and alternate lines Mapping a port to Channel 0 disables that
38. ding to the Answer parameter setting Enable When Answer is also enabled the 3512 answers based on line conditions If one or more of the enabled INIT PARAMETER conditions are present when a call is received the unit answers 4 48 Configuring the 3512 RESTORAL CONFIG Category BEN RESTORAL CONFIG parameters define how the 3512 operates during restoral DTE Data Terminal Equipment Default Normal RESTORAL CONFIG Options Normal Muxed Description This parameter determines how DTE data is transmitted Normal Main Channel mode With this option the DTE rate is equal to the full restoral line rate When There is DTE Normal and Method A B No secondary channel Method Integral A secondary channel Muxed With this option the 3512 uses TDM or Rate Adaptation to provide secondary channel transmission as well as data transmission For details on Normal and Muxed modes refer to DTE Con MODIFY PORT NOTE Bitstealing is not available in restoral As an alternative set this parameter to Muxed and specify the highest available port rate Timing Default When Method SW 56 RESTORAL METHOD Network Internal Options Internal Ext Pn n 1 4 Ext P2 St Loopback Network Description This parameter specifies the 3512 s timing source Internal The 3512 generates timing internally Ext Pn n 1 4 The DTE on Port n provides timing Ext P2 St An external restoral device on Port 2 provid
39. e kbps A B External 0 0 1 2 2 4 4 8 7 2 9 6 12 0 14 4 16 8 19 2 21 6 24 0 28 8 32 0 38 4 48 0 56 0 Integral Digital 0 0 1 2 2 4 4 8 7 2 9 6 12 0 14 4 16 8 19 2 21 6 24 0 28 8 32 0 38 4 48 0 Integral SLR 0 0 1 2 2 4 4 8 7 2 9 6 12 0 Description This parameter sets the restoral data rate for channel n The option may be any standard rate as long as the sum of channel rates is less than the aggregate data rate When Method A B Channel 2 is not shown NOTES 1 CHn Rate displays only when DTE Muxed RESTORAL CONFIG 2 Asynchronous data rates up to 19 2 kbps are supported Refer to Port to Channel Mapping in Chapter 6 for details on mapping ports to channels along with application examples 3 The automatic rate negotiation feature enables the unit to adapt its line rate to that of another unit Refer to Restoral Rate above A B Only Default Disable Options Disable Enable Description Set this parameter to Enable if your application runs only on an alternate line and there is no application on the primary line Configuring the 3512 4 51 MODEM CONFIG Category MODEM COMFIG parameters define how the 3512 operates in analog dial restoral This category displays on 3512s with the SLR feature when Method Integral e Call Progress Default 0 Options 0 1 2 3 Description Call Progress determines how the 3512 establishes calls 0 Call Pro
40. ed When Data Rate 64LDM SDC only On the 3512 SDC Port 3 when P3 Compress Figure 4 6 shows DUALVIEW categories and parameters Note The DUALVIEW menu does not display when Opmode 64k CC nnn nnn nnn nnn HEN HEN Station Addr gt Opmode y Nwk Fen y NV Ports gt Type Operation ERG P P Ctrl Pri 0000 3512 01 gt DDS 0046 MP Trib Sec 0 or 1 at 3512 02 LDM each position 3512 03 3512 04 5822 10 5822 18 default depends on unit hardware Figure 4 6 DUALVIEW Category and Parameters CONFIG DUALVIEW Category CONFIG DUALVIEW parameters let you manage the Dual VIEW feature Station Addr Station Address Default FF Options 0116 to excluding and Description This parameter assigns a two digit address to the 3512 for NetView addressing Local devices should be addressed as either 01 16 or 02 5 because with LPDA the 3512 can only send to the first or second tier This parameter is not altered by the Factory parameter x MODIFY main menu CONFIGURATIONS category Configuring the 3512 4 63 Opmode Operating Mode Default P P Options P P MP Description P P P Indicates that the 3512 is installed in a point to point application MP Indicates that the 3512 is installed in a multipoint application Refer to Chapter 9 Dual VIEW for details on each option s rules
41. es in restoral When Method Integral RESTORAL RESTORAL METHOD DTE Normal RESTORAL RESTORAL CONFIG and the 3512 is connected to another device use Off to avoid data errors NOTES 1 NC Restoral displays only if you have the SLR or TDM features 2 When configuring restoral using SLR at one device and A B external restoral at another set NC Restoral Off at the SLR device 3 The DTE parameter applies to restoral as follows When DTE The 3512 Normal Provides a non interruptive secondary channel Muxed Provides a multiplexed secondary channel If the local 3512 is restoring with another kind of device and DTE Normal set NC Restoral Off and disable other devices secondary channel to avoid interference with the 3512 On Allows transmission of secondary channel data Off Prevents transmission of secondary channel data Configuring the 3512 4 29 NC Port Network Control Port Default In Options In Out Description This parameter specifies the source of network control commands It is used in tiered applications where multiple NC ports must use a single port Figure 4 3 shows a tiered application with NC Port options in first and second tier master and slave devices In Accepts network control commands at the NC IN connector The commands propagate to the DDS secondary channel Out Accepts network control commands through the DDS secondary channel and passes them on through the NC O
42. es that the local unit is the Originate end Ans Answer Specifies that the local unit is the Answer end P3 Format Port 3 Data Signaling Format Default NRZ Options NRZ NRZI Description P3 Format specifies the Port 3 data signaling format in compression mode NRZ Standard non return to zero encoding NRZI Non return to zero inverted encoding RestPeer Restoral Peer Default 35XXSDC Options 35XXSDC 326XSDC Description Restoral Peer specifies the remote compression decompression device type for restoral mode operation 35XXSDC Specifies that the remote device is a 35XX SDC 326XSDC Specifies that the remote device is a 326X SDC Configuring the 3512 4 69 4 70 Configuring the 3512
43. es timing Loopback The received analog signal provides timing NOTE The Ext P2 St and Loopback options operate only when Method Integral RESTORAL METHOD and SLR is available Network The received digital signal provides timing NOTE This option operates only when Method Integral RESTORAL METHOD and the digital restoral feature is available Configuring the 3512 4 49 4 50 Configuring the 3512 Rest Rate Restoral Rate Default 9 6 Options When Method A B 2 4 4 8 9 6 12 0 14 4 19 2 24 0 28 8 38 4 48 0 56 0 and 64 kbps When Method Integral 9 6 12 0 and 14 4 Description This parameter specifies the restoral line rate or when Method A B the Port 2 data rate The rates are those available for common dial backup devices such as 2 and 4 wire modems and switched digital units This parameter does not display when Call Control SW56 or DDS with these options Rest Rate is automatically set to 56 0 This parameter does not display when the integral digital restoral feature is installed SLR Automatic Rate Negotiation Feature Automatic rate negotiation enables the 3512 to adapt its line rate to another s as follows during the modem training sequence at the start of restoral each device transmits its Rest Rate value to the other If they are not equal the devices use the lower rate This lets a 3512 access a restoral pool such as a mix of 14 4 kbps V 32 bis and 9 6 kbps V 32 modems For example
44. ese parameters specify when to automatically initiate and terminate restoral IMPORTANT For these parameters to operate DDS to Dial must be set to Auto DDS Alarms Default Off Options Off On Description With the On option and DDS to Dial Auto the 3512 automatically initiates restoral upon detecting any of these codes and alarms Out of Service OS Abnormal Station ABN Station and No Sealing Current NSC on all services and Out of Frame OOF only on DDS I Idles Default Off Options Off On Description This parameter monitors Idle signals When DDS to Dial Auto the On option makes the 3512 automatically initiate dial restoral NOTES 1 In switched carrier applications Idle codes may not indicate circuit problems DTE Con Normal and Pn RTS Off 2 Do not enable Idles in when DTE Con MP Mux Link Down Default Off Options Off On Description When Link Down On and DDS to Dial Auto the 3512 automatically initiates restoral when Link Down occurs NOTE To use Link Down use you must set Link Down Detect On MODIFY DSU category 4 46 Configuring the 3512 Telco Loops Default Off Options Off On Description When On this parameter monitors loopback signals from the service provider When they occur if DDS to Dial Auto the 3512 automatically initiates restoral Refer to the RT or LTCH LB parameter description above for important information NOTES 1 Set this parameter with care An LL
45. f a dial string which may consist of up to 50 alphanumeric characters SW 56 supports only these modifiers it ignores other characters Configuring the 3512 4 57 Dial From Default 1 Options 1 2 3 4 Description Dial From specifies the phone number 1 2 3 or 4 the 3512 dials first Use to scroll through the selections and to select a number NOTE Before using this parameter enter at least one telephone number into the 3512 using Enter Phonef below View Phone Default 1 Options 1 2 3 4 Description View Phone lets you select a phone number to view To view a number 1 From the RESTORAL menu press until PHONE NUMBER displays 2 Press until View Phone n displays where n equals 1 4 3 Press until the number you want displays Press to select it The number displays if a number has not been entered 16 Qs display 4 Press uum to scroll through the number until the displays 5 Press to return to the beginning of the dial string Press a again and View Phone n displays where n is the number you chose to view NOTE Before using parameter enter a telephone number into the 3512 using Enter Phone below 4 58 Configuring the 3512 Enter Phone Default 1 Options 1 2 3 4 Description This parameter stores up to four alphanumeric phone numbers of up to 50 characters each To enter or overwrite numbers in the 3512 1 From the
46. gress with Busy Detect The 3512 goes off hook and waits for dial tone Dial tone the 3512 dials No dial tone the 3512 hangs up After processing the phone number characters including dial modifiers the 3512 waits for answer back tone or busy detect Answer back tone the 3512 starts its training sequence No answer back tone or busy tone the 3512 hangs up 1 Call Progress The 3512 goes off hook and waits for dial tone Dial tone the 3512 dials No dial tone the 3512 hangs up After processing the phone number characters including dial modifiers the 3512 waits for answer back tone Answer back tone the 3512 starts its training sequence No answer back tone the 3512 hangs up 2 Blind Dial with Busy Detect The 3512 goes off hook waits several seconds and dials After processing the phone number characters including dial modifiers the 3512 looks for answer back tone or busy detect Answer back tone the 3512 starts its training sequence No answer back tone or busy tone the 3512 hangs up 3 Blind Dial The 3512 goes off hook waits several seconds and dials After processing the phone number characters including dial modifiers the 3512 looks for answer back tone Answer back tone the 3512 starts its training sequence No answer back tone the 3512 hangs up 4 52 Configuring the 3512 Dial Default Tone Options Tone Pulse Auto Description This parameter specifies how the 3512 d
47. ials phone numbers that do not have the T or P modifier Tone The unit tone DTMF dials Pulse The unit pulse dials Auto The unit attempts to tone dial if tone dialing is not possible it pulse dials NOTE Do not use this option in a PBX environment Dial Wait Default 2 sec Options 2 sec 4 sec 6 sec Description This parameter determines how long the3512 waits for a dial tone when it encounters a dial wait modifier Table 4 2 describes dial modifiers in detail NOTE You cannot enter lowercase dial modifiers through the front panel however the 3512 reacts to these characters if they are sent from an NMS Pause Dly Pause Delay Default 3 sec Options 3 sec 6 sec 9 sec 12 sec Description This parameter determines how long the 3512 pauses when it encounters pause delay dial modifiers in a phone number refer to Table 4 2 NOTE You cannot enter lowercase dial modifiers through the front panel however the 3512 reacts to these characters if they are sent from an NMS Configuring the 3512 4 53 Telco Jack Default Perm Options Perm Prog Description This parameter specifies the type of jack to which the 3512 is connected this distinction controls the line transmit level Perm Specifies a permissive voice jack where the transmit level is 9 dBm Prog Specifies a programmable data jack where the transmit level is determined by the jack PSTN Public Switched Telephone Network Defau
48. is option DTR Data Terminal Ready When Method A B this option sends a DTR signal to an external device to initiate answer or terminate dial calls It must be configured accordingly If the DTR signal is The external restoral device Asserted Answers incoming call De asserted Does not answer incoming calls NOTE To use DTR set Auto Answer Enable at the backup device From DDS Default 15 sec Options 15 sec 60 sec Description This parameter specifies when DDS to Dial Auto how soon to initiate dial restoral upon detecting an initiate condition NOTE If DDS to Dial Auto in the local and remote devices they should have different From DDS settings to avoid call collisions Configuring the 3512 4 43 Dial To DDS Default Man Options Man Auto Description This parameter specifies when DDS to Dial Auto how the 3512 returns to the DDS primary line If Trm Tmr Enable its setting overrides this parameter Man Manual Restoral must be manually terminated Auto Automatic The unit automatically returns to the primary line after INIT PARAMETER conditions are cleared NOTE If Dial to DDS Auto and Restoral Method Integral dial restoral is terminated if 10 or more retrains occur within 15 minutes To DDS Default 2 min Options 2 min 4 min Description This parameter specifies when Dial to DDS Auto how soon the unit returns to the primary line after INIT PARAMETER conditions are
49. itS Master Device Multipoint Multiplexing Bitstealing or Derived Secondary Channel This option configures the unit as the master device in a multipoint bitstealing application It provides non interruptive network management on services that do not provide a secondary channel This option displays only when Opmode DDS I Refer to the Bitstealing option above for details on bitstealing function MPM BitS supports the following Data Rate options 9 6 19 2 and 56 0 MPS Mux Multipoint Slave Device Multiplexing or Rate Adaptation This option configures the unit as a slave device in a multipoint multiplexing application It provides non interruptive network management over a derived secondary channel on services that do not provide a secondary channel This option displays only when Opmode DDS I With this option the 3512 frames the DDS line data into two channel TDM to the DTE and NC ports This maintains the rates specified by CHn Rate MPS Mux supports the following Data Rate options 9 6 19 2 and 56 0 MPS Bits Multipoint Slave Device Bitstealing or Derived Secondary Channel This option configures the unit as the slave device in a multipoint bitstealing application It provides non interruptive network management on services that do not provide a secondary channel The MPS BitS option displays only when Opmode DDS I Refer to the Bitstealing option above for details on bitstealing function MPS BitS supports these Data
50. lt On Options On Off Description This parameter determines how the 3512 handles disconnect signaling when operating in the V 32 or V 32 bis modulation mode On The 3512 signals the remote device before it disconnects Off The 3512 disconnects without signaling the remote device HoldDiaLine Hold Dial Line Default Off Options Off Imin 2min 3min 4min 5min Description This parameters lets the 3512 automatically hold a dial connection when it returns to the primary line If restoral is re initiated within the time specified the 3512 retrains and data transmission resumes on the restoral line This feature eliminates the need to redial the remote phone number to reestablish the restoral connection NOTES 1 To function properly HoldDiaLine must be enabled in both the local and remote device 2 The 3512 s HoldDiaLine function is not compatible with the 326X Series modem s HoldDiaLine function 4 54 Configuring the 3512 Retrain Default High Options High Low Off Description This parameter controls the automatic retrain feature Use the Off option only for testing High Using V 32 or V 32 bis the 3512 retrains when the BER gt 10 for eight seconds This option is less sensitive than the Low option NOTE Motorola recommends this setting for most applications Low Using V 32 or V 32 bis the 3512 retrains when the BER gt 10 for eight seconds This option is more sensitive than the
51. ly when DTE Con Normal and assign channel rates of 0 to Ports 2 through 4 IMPORTANT Never enable Ckt Assure at both a local and a remote unit This could stop data transmission DTE Con Data Terminal Equipment Configuration Default Normal Options Normal BitSteal Muxed MPM Mux MPM BitS MPS Mux MPS BitS Description This parameter specifies the network management channel type and DTE port rates Normal Main Channel With this option line rate and DTE rate are equal and DDS I type service network control is interruptive On DDS II SC type service network control uses a non interruptive secondary channel supplied by the service NOTE With this option a remote device asserts DCD when it receives RTS Thus RTS DCD and DTR DSR inband signaling is unnecessary 4 18 Configuring the 3512 BitSteal Bitstealing or Derived Secondary Channel This option applies to DDS I and 64k CC point to point circuits only It provides non interruptive network management on services that do not provide a secondary channel The 3512 frames data into two channel TDM to the DTE and NC ports The DTE port rate is slightly reduced to a nonstandard rate using most of the line bandwidth and the NC port uses the lower rate channel Table 4 1 shows the effective port rates with bitstealing Table 4 1 Effective DTE Port Rates With Bitstealing Data Rate Effective DTE parameter kbps Port Rate bps Point to Point Multipoint
52. network generated alarms This option overrides all other DSR options Off This option disables System Status the DSR option controls DSR signaling NOTES 1 Disable System Status when running loopback tests Loopbacks can cause Idles which activate System Status functions and prevent transmission from resuming after the loopback is terminated 2 System Status is supported on the primary line only 3 On DDS I lines use System Status only when DTE ConzNormal for System Status to operate properly the channel rates assigned to Ports 2 through 4 must be 0 bps IMPORTANT Never enable System Status at both a local and a remote unit This could stop data transmission Configuring the 3512 4 17 Ckt Assure Circuit Assurance Default Off Options Off On Description This parameter specifies CTS signal control On This option makes the unit assert CTS only when it receives valid data CTS is de asserted and data transmission is inhibited by L ink Down Idles or network generated alarms This option overrides all other DSR options Off Disables Circuit Assurance the CTS option controls DSR signaling NOTES 1 Disable Circuit Assurance when running loopback tests Loopbacks can cause Idles which activate Circuit Assurance functions and prevents transmission from resuming after the loopback is terminated 2 Circuit Assurance is supported on the primary line only 3 On DDS I lines use Circuit Assurance on
53. nfiguring the 3512 LD Detect Link Down Detection Default On Options On Off Description A Link Down condition occurs when a line s CQMS Signal Level 0 for more than one second For 3512s configured with integral digital restoral when LD Detect Off and the service provider does not supply sealing current the 3512 cannot detect an actual link down on the restoral line Thus when configured for integral digital restoral set LD Detect On so the 3512 can detect failure of the restoral line On The 3512 displays a Link Down message when CQMS Signal Level 0 The 3512 stops passing data Off The 3512 does not monitor the Link Down statistic Prop Delay Propagation Delay Default Norm Options Norm Long and Short Description This parameter specifies how long a multiplexed master device waits for a response from a slave during training Prop Delay displays only when DTE Con is set to one of the MPM options Short Select this option for faster training Long Select this option for successful training on lines with high delays MODIFY PORT Category The parameters in the MODIFY PORT category configure the unit s DTE ports e Sys Status System Status Default on Options Off On Description This parameter specifies DSR signal control On With this option the 3512 asserts DSR only when it receives valid data Thus data transmission stops when the unit detect a Link Down Idle or
54. o Remote Loop 2 NOTES 1 Do not enable Circuit 140 on a port if you have set a control signaling parameter RTS DCD or DSR on the port to other than Normal 2 Circuit 140 is supported only in a point to point configuration 3 The port number n is specified by the Config Port parameter Enable This option lets a DTE initiate the test NOTE With TDM you can set each mux channel independently NOTE If the DTE does not support Circuit 140 do not enable this function Disable This option makes the 3512 ignore the signal Pn Intfce Port n Interface Default EIA232 Options EIA232 V 35 RS232 Description This parameter specifies a port s electrical interface EIA232 This option sets the port in compliance with EIA 232 C D V 35 This option sets the port in compliance with V 35 RS232 This option sets the port in compliance with RS232 NOTES 1 Motorola recommends using V 35 for port rates above 19 2 kbps 2 To set Port 2 3 or 4 to V 35 you must first set DTE Con to a muxed option then disable A B restoral by setting DDS to Dial Off This allows the unit to display Port 2 options Configuring the 3512 4 25 141 Circuit 141 Default Disable Options Disable Enable Description This parameter which is available only for Port 1 controls initiation and termination of a modem check local analog loopback test from a DTE using the Circuit 141 signal Refer to Chapter
55. or remote units are buffered then transmitted at the full line rate This minimizes main channel data interruptions in non interruptive DDS applications Passthru Use this option to minimize propagation delay in multi tier applications All messages on the NC port are passed on without buffering This minimizes time outs in multi tier interruptive network management applications where the manager may time out waiting for device responses due to cumulative tier boundary buffering delays Disable Use this option only in non network managed environments This option lets you use the NC ports for non network managed data NOTE With 56 kbps DDS II SC type service the network overwrites secondary channel data whenever the main channel data is all zeros 4 28 Configuring the 3512 NC Retrans Network Control Retransmit Default On Options Off On Description This parameter specifies whether to pass secondary channel data to remote devices On Retransmits secondary channel data to remote devices as specified by NC Mode To poll a downstream device use this option Off Prevents secondary channel data retransmission Use this option when a downstream device receives network management data from an alternate source such as a port on an external multiplexer NC Restoral Network Control Restoral Default On Options On Off Description NC Restoral manages the transmission of network control data to remote devic
56. ord function is enabled Any user can display parameter values the user must enter the password before changing value When a user attempts to select or enter a new value the 3512 displays PASSWORD The user must enter the password then press to proceed The 3512 displays the parameter the user was about to change Password Default Disable Options Disable Enable Description This parameter lets you set a password on the 3512 Disable Lets a user change parameters without entering a password Enable Prompts a user to enter a password before initiating tests or making configuration changes Enter the password using the alphanumeric entry procedure described in Chapter 3 NOTES 1 The PSW Time option determines how often you use the password 2 This parameter is not altered by the Factory parameter CONFIGURATIONS category PSW Time Password Time out Default 10 min Options 10 min Off Description Password Timeout determines how long the front panel keys can be idle before the password must entered again When set to Off the password must be entered before each change is made NOTE This parameter is not altered by the Factory parameter CONFIGURATIONS category 4 34 Configuring the 3512 Change Password Options Alphanumeric characters Description This parameter lets you change the password as follows 1 Press Old P 0000 displays Enter the old password and p
57. ory gt 6 e nnn Ckt Assure Pn Data Off Sync Ini MPM BitS Sync Ext Muxed MPS Mux Sync Sta MPM MPS BitS Async 6 Async 9 A Pn RTS Pn DCD Pn DTR Pn DSR Normal Normal Normal Normal CTS Always On Always DSR IBS Always Min DCD IBS On On 15 ms RTS IBS DTR IBS Y Pn 140 Pn Intfce 141 Pn ASD Pn ASD Delay Restore Disable Disable Disable 005 Enable Enable 001 285 n 001 255 LLL NC Override NC Port 91 NC Address Off Rate 000 75 001 Passthru 150 Disable 9600 A 1250 In Normal Out Reserved ra 4 uum uum uum i Slv T Addr NOTE Menu category and parameter displays vary with device configuration options Figure 4 2 x MODIFY Categories Parameters and Options Configuring the 3512 4 7 MODIFY DSU Category MODIFY DSU parameters specify the primary line interface configuration e Opmode Default DDSI Options DDS1 DDS2 64K CC Description Opmode identifies the service type to which the 3512 is connected Refer to Chapter 6 3512 Operation for details on DDS type services 0051 Configures the unit to use DDS I type service DDS2 Configures the unit to use DDS II SC type service 64K CC Configures the unit to use 64k Clear Channel 64k CC service In 64k CC mode it is possible for data bit sequences to resemble maintenance codes such as the Loopback Enable LLB code if the service pr
58. ovider reports this problem you can take one of the following actions Set Scrmbler Enable at both ends of the circuit If DTE Config Normal set it to Bitstealing or to Muxed with most or all of the bandwidth allocated to one channel If DTE Config Muxed or Bitstealing change the port order in the P to CH parameter and change the CHn Rate values accordingly IMPORTANT Do not enable Scrmbler unless the service provider requests it to avoid 14 85 NOTES 1 Multipoint DDS II SC applications at 56 kbps are not supported 2 In 64k CC mode System Status and Circuit Assurance are not supported Link Down is the only alarm that can initiate automatic restoral Line BER is supported in Muxed and Bitstealing modes only The service provider initiated LLB replaces the network initiated RT DSU Loopback 4 8 Configuring the 3512 Data Rate Default Auto Options Auto 2 4 4 8 9 6 19 2 56 0 64LDM Description Data Rate lets you set the aggregate port and channel rates to the primary line rate It does not display when Opmode 64k CC Auto This option configures the 3512 to automatically select the line rate based on the received data signal This is useful for detecting the line s data rate especially if the correct setting is not known This option does not operate when Opmode 64k CC NOTES 1 When Data Rate Auto DTE Con cannot be set to any muxed option 2 If the 3512 s data rate differs from the
59. ows a Press until PATTERN TESTS displays b Press until Type Space displays Press until Type 511 displays d Press Type 511 displays Press until Pattern Off displays f Press until Pattern On displays g Press Pattern On displays Next the T R LED turns steady orange If The ST LED flashes green proceed to Step 8 The ST LED flashes red there may be a line problem Before reporting it to the telephone company disable the Pattern test set Pattern Off disable the Remote Loop 2 test set Rm 2 Loop Off and then run a Device Bit Error Rate DBER test at both units as described in Step 8 8 Run a DBER test as follows a Under the K TEST menu press a until BER TESTS displays b Press until Test Type Device displays Press until BER Off displays d Press qp BER On displays e Press The BER test runs 9 Turn off the BER test set BER Off if it is not already off 10 Interpret the front panel display as follows If this Displays Do This BER Pass Report the problem to the telephone company BER ERRORS 000 BER Fail Contact the Motorola Customer Support Center BER ERRORS x where x equals the number of errors up to 255 When the lines are verified configure your application as described next Configuring the 3512 Figure 4 1 shows the 3512 s menu tree structure MODIFY m
60. ples of restoral operations Appropriate parameter options are also provided 4 40 Configuring the 3512 RESTORAL gt RESTORAL Note 1 When Method Integral Man and Auto are the available selections When ann A Method A B Off Man Auto and DTR are the available selections ACTIVATE Initiate i RESTORAL Note 2 Ext P2 St only displays when Method A B Loopback only displays when Method Integral HEN Note 3 When Method Integral restoral rates of 9 6 default 12 0 and 14 4 kbps are Terminate available For A B all restoral rates indicated are available E HEN A RESTORAL Method METHOD Integral lt HEN HEN ane DIAL DDS to Dial gt From DDS Dial to DDS To DDS Tmr DTR gt Rest Type PARAMETER Man Integral 15 sec Man 2 min Off High Analog Off A B 160 sec Auto min Hr Tail Dig Auto 2 Hrs 108 1 Man DTR 4 Hrs 108 2 See Note 1 HEN N INIT DDS Alarm
61. ptions 0 250 Description This parameter specifies the network control address of a 3512 to control with RFP The address is the value of its NC Address parameter X MODIFY main menu MODIFY NETWORK category Initiate Terminate Default Initiate Options Initiate Terminate Description This parameter begins and ends an RFP session The ST LED blinks throughout an RFP session Only one session may be active at a time Initiate Select this option to begin a session with a 3512 whose NC address is already entered in the Remote Addr parameter Terminate Select this option to end an RFP session NOTE Initiating an RFP session while the remote device is running a user initiated test cancels the test and begins an RFP session Initiating a service provider supported loop during an RFP session ends the session at the device that detected the loop and begins the test The other device times out after three minutes its RFP session then ends Configuring the 3512 4 37 SET REMOTE ADDR ADDRESS Category mum SET REMOTE ADDRESS parameters set a remote device s NC Address These parameters do not operate during an RFP session nor do they operate in RFP escape mode For details on using the RFP feature refer to Chapter 3 The Front Panel Ser Serial Number Description This parameter specifies the serial number of a remote 3512 in your network Use it to select a device whose NC Address parameter you w
62. r displays the NC Address value of the unit specified in Ser Configuring the 3512 4 39 RESTORAL The 5 main menu configures restoral functions which enable 3512s to resume transmission over an alternate line when the primary line fails The 3512 supports the following types of restoral Integral analog Single Line Restoral SLR A3512 can automatically restore transmission over the Public Switched Telephone Network PSTN SLR SLR supports CCITT V 32 and V 32 bis protocols at main channel rates of 14 4 12 0 and 9 6 kbps With SLR MODEM CONFIG Figure 4 5 displays under RESTORAL when Method Integral RESTORAL METHOD Integral digital restoral A 3512 can automatically restore transmission over the public digital network at a main channel rate of 56 kbps The 3512 supports Switched 56 SW 56 and leased digital services DIGITAL CONFIG Figure 4 5 displays under when Method Integral RESTORAL METHOD External A B restoral the 3512 redirects the aggregate data from the primary line A to Port 2 which can be connected to a digital transmission device B NOTES 1 A 3512 unit cannot have SLR and SW 56 When Method Integral either MODEM CONFIG or DIGITAL CONFIG displays 2 The menu itself displays only if you have the time division multiplexing TDM feature or an integral restoral feature Refer to Chapter 6 for details and exam
63. r two seconds then return to their previous state After you select On press to initiate the test Msg Message Select Default Deflt Options Deflt User Description This parameter along with Msg next lets you overwrite the default display with your own message Deflt The default message displays on the front panel User Lets you write your own message Msg Message Default Depends on 3512 feature configuration Options Alphanumeric characters Description When Msg Select User you can replace the default message STATUS To change the message use the alphanumeric entry procedure described in Chapter 3 To display a message display the STATUS menu Time Description The 3512 has a 24 hour clock At power up the time is 00 00 00 hours minutes seconds Set the time with the alphanumeric entry procedure described in Chapter 3 4 36 Configuring the 3512 RMT FRONT PANEL RFP Category REMOTE FRONT PANEL RFP parameters let you begin and end an RFP session and search and set remote addresses In an RFP session you can display and modify a remote 35XX s parameters from the local front panel For details on operating the RFP feature refer to Chapter 3 The Front Panel To have a an RFP session both devices must have the RFP feature For information on RFP status and error messages refer to Appendix B ooo AAMA Remote Addr Remote Address Default 0 UR O
64. ress 2 Enter New P 0000 displays Enter the new password and press 3 Verify New 0000 displays Reenter the new password 4 If you make an error entering the old password or if there is a discrepancy between the second and third entries No Change displays and no change is made IMPORTANT The factory default password setting is 0000 If you change it be sure to write down the new password If you forget the new password the unit will have to be returned to Motorola to be unlocked This is not covered under warranty NOTE This parameter is not altered by the Factory parameter CONFIGURATIONS category FRONT PANEL Category BEN The parameters in the FRONT PANEL category modify the front panel display Backlight Default 10 min Options 10 min On Description This parameter controls a timeout for the backlight on the display screen 10 The light goes off and the default display appears if the control keys are left idle for 10 minutes The backlight comes on when any front panel key is pressed or an alarm is received On The backlight stays on while the unit is powered up and the screen shows the last display that was accessed NOTE This parameter operates independently of PSW Time Configuring the 3512 4 35 Lamp Test Default Off Options Off On Description This is a two second test of the display lights When set to On LCD characters display for two seconds LEDs turn on fo
65. s y Idles Link Down Telco Loops Mux Loss PARAMETERS Off Off Off Off Off On On On On On E LLLI AUTO Answer Cond Ans ANSWER Disable Disable Enable Enable uum LELI mum RESTORAL DTE Timing gt Rest Rate CHn Rate gt Only CONFIG Normal Internal 9 6 1 2 Ch 1 only Disable Muxed Ext P1 Ext P4 24 192 0 0 Ch 2 8 Enable Ext P2 Ext P2 St 4 8 24 0 1 2 17 2 144 216 320 Ext Loopback 12 0 28 8 24 96 168 240 38 4 Network 14 4 56 0 4 8 120 19 2 28 8 48 0 See Note 2 164 0 See Note 3 E 4 uuu umm MODEM Call Progress Dial p Dial Wait 4 Pause _ Telco Jack gt HoldDialine gt Retrain CONFIG Tone 2 sec 3 sec Perm Off High 1 Pulse 4 sec 16 sec Prog Off min 4 min Low 2 Auto 16 sec 19 sec 12 5 min 3 112 sec 3 min t HEN DIGITAL Call Ctrl gt Echo Can Pause Dly Hold Dialine Ans TmOut CONFIG SW56 Enable 3sec 9 sec 15sec 605 DDS Disable 6 sec 12 sec 4 min 30sec 90 sec 12 5 min m a nnn nnn HEN LIT mum PHONE Dial From View Phone Enter Phone Link Phone Auto Redial NUMBER E 1 ai gt 4 gt 2 4 2 4 2 4 0 4 1 8 Term Char Link n to 0 dial string lt 50 Link n to 1 EBENE ASCII
66. s Ory 4 61 POUALVIEW T 4 63 CONPIG DUALVIBW GategUby SERE 4 63 RCOMPRESSION cpi cia rian Leg dit cese panded naa Ee Us n Fo reif e bs 4 66 COMPRESS CONFIG Cates Ory 4 66 Configuring the 3512 4 1 Chapter 4 Overview This chapter explains how to get the 3512 DSU CSU ready to run including Verifying primary line quality Using the x amp MODIFY AUXILIARY and 5 menu trees to configure and monitor the unit Using the DUALVIEW menu tree to configure the Dual VIEW feature Using the 5 menu tree to configure synchronous data compression on the 3512 SDC 4 2 Configuring the 3512 Verifying Line Quality IMPORTANT 1 Follow the procedure here to verify the quality of data communications lines before configuring an application Complete this procedure before contacting the telephone company or Motorola If tests do indicate a line problem follow the action s below Do not bring the 3512 online until you can run error free tests 2 On multipoint DDS I type circuits with MP Mux supported functionality follow the steps specified this section to qualify lines between each master slave pair and then configure for MP Mux operation To verify line quality 1 If the unit has the Dual VIEW feature or is managed by a Motorola Network Management System NMS set NC Override On gt
67. scription P3 Rate specifies the clock rate provided to the DTE on Port 3 when operating in leased line mode Rest P3 Rate Restoral Port 3 Rate Default 256 Options 256 192 168 128 112 64 0 56 0 48 0 38 4 28 8 24 0 19 2 14 4 9 6 Description Rest P3 Rate specifies the clock rate provided to the DTE on Port 3 when operating in restoral mode Configuring the 3512 4 67 Flow Flow Control Default Tx Clk Transmit Clock Options Tx Clk CTS Off Description Flow Control specifies how the 3512 SDC responds when the DTE transfers data to Port 3 at a faster rate than the 3512 can compress and transmit When this happens the unit s data buffer or temporary storage area fills up Flow Control provides ways to slow down DTE input to prevent data loss Tx Clk Transmit Clock Stopping The unit temporarily stops Port 3 s transmit clock when the buffer fills This stops the flow of incoming data long enough to clear the buffer CTS Clear To Send The unit temporarily de asserts the CTS signal when the buffer fills This signals the DTE to stop sending data until CTS is re asserted This function overrides the P3 CTS parameter setting MODIFY main menu MODIFY PORT category Off The unit discards user data when the buffer fills TpDlyMin Throughput Delay Minimization 4 68 Configuring the 3512 Default Rx Clk Options Rx Clk Rxd Dly Off Description This parameter specifies
68. storal option in a network that does not have sealing current from the service provider set LD Detect On so the 3512 can detect a restoral line failure Refer to LD Detect MODIFY MODIFY DSU A B With this option in the event of primary DDS line failure the 3512 can redirect data from the primary line to Port 2 which is cabled to an external transmission device such as a dial modem or a switched 56K device NOTE With A B restoral some operational considerations apply to the use of the port to channel mapping feature Refer to P to CH MODIFY MODIFY DSU 4 42 Configuring the 3512 DIAL PARAMETERS Category The parameters in the DIAL PARAMETERS category specify how and when restoral is initiated and terminated DDS To Dial Default Off when Method A B Man when Method Integral Options Off Man Auto DTR when Method A B Man Auto when Method Integral Description This parameter determines how restoral is initiated Off When Method A B this option disables the A B restoral feature so you can use Port 2 as a data port Man Manual This option prevents the 3512 from automatic initiating a restoral session You can initiate restoral from the front panel or an NMS Auto Automatic This option allows restoral to be automatically initiated after the unit detects a condition specified in the restoral initialization parameters NOTE You can initiate restoral manually with th

Configuring the 3512

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