Paradyne Modem 3550 User's Manual
Contents
1. COMSPHERE 3550 SERIES DATA SERVICE UNITS MODELS 3550 AND 3551 QUICK REFERENCE Document No 3550 A2 GL10 10 Copyright 1999 Paradyne Corporation All rights reserved Printed in U S A Notice This publication is protected by federal copyright law No part of this publication may be copied or distributed transmitted transcribed stored in a retrieval system or translated into any human or computer language in any form or by any means electronic mechanical magnetic manual or otherwise or disclosed to third parties without the express written permission of Paradyne Corporation 8545 126th Ave N Largo FL 33773 Paradyne Corporation makes no representation or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for a particular purpose Further Paradyne Corporation reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of Paradyne Corporation to notify any person of such revision or changes Changes and enhancements to the product and to the information herein will be documented and issued as a new release to this manual Warranty Sales Service and Training Information Contact your local sales representative service representative or distributor directly for any help needed For additional information concerning warranty sales service repair installation documentat2. 8 99 16298 The installed DSU is connected to the DDS network through the 50 pin connectors at the rear of the carrier These interfaces are specified in the USOC RJ48T and the pin assignments are shown in Appendix D of the User s Guide Proper network connection to the DDS facility or to the network channel terminating equipment must be made at the far end of the cable If the network line and remote DSU are installed and tested do a Remote Loopback a Test Pattern test If the Front Panel test switch strap is to be disabled slide the DSU slightly out of the carrier open Switch S3 1 then reseat the DSU into the carrier Do this now Circuit ID information can be written on the cover plate under the appropriate slot number 14 Connecting the Model 3551 DSU to the NMS A Model 3551 DSU is set up for network diagnostic connection through the shared diagnostic unit SDU which is installed in Slot 0 of the carrier Refer to the COMSPHERE 3000 Series Carrier Installation Manual Document No 3000 A2 GA31 to set up the network diagnostic connection For connection of the DSU or for pin assignments see the User s Guide Connecting the Model 3551 DSU to the Dial Network PSTN Connection to the dial network or public switched telephone network for the carrier mounted Model 3551 DSU is through a network interface module NIM that is installed onto the carrier s backplane Refer to the COMSPHERE 3000 Series Ca
3. Connection of the DSU to the DTE is a matter of selecting and installing the appropriate cable Refer to the COMSPHERE 3000 Series Carrier Installation Manual for installation procedures 15 To Connect the SDCP to a DSU For the carrier mounted Model 3551 DSU the SDCP must first be reconnected to the DSU Once connected the SDCP operates like a DCP B gt Procedure 1 Press the Select key A screen similar to the following appears Carr Slot 1A 1 0 A l 4 t 1 02A aj a e le The cursor is usually positioned under the second position of the slot number 1 01 In this example the first line shows 1 indicates Carrier 1 Carr 01 indicates the DSU in Slot 1 A is reserved for future use On the second line Press the F1 key T to increment the number that the cursor is on Press the F2 key J to decrement the number Press the lt i and keys to move the cursor one position to the left or right to change either the carrier or slot number Press the F3 key to toggle between DSUs 2 Press the Select key on the SDCP again The SDCP accesses the DSU in Carrier 1 Slot 1 The top level menu your starting point of the carrier mounted DSU is displayed 1 01A DSU 9 6C A Local Remot aj a e le From the first line of this example you can see that this is a carrier mounted DSU 1 01A instead of Port1 that is located in Carrier 1 Slot 1 is operating as a DSU i e not as a DBM at 9 6
4. do not locate the product where persons will walk on the power cord Do not attempt to service this product yourself as opening or removing covers may expose you to dangerous high voltage points or other risks Refer all servicing to qualified service personnel General purpose cables are provided with this product Special cables which may be required by the regulatory inspection authority for the installation site are the responsibility of the customer When installed in the final configuration the product must comply with the applicable Safety Standards and regulatory requirements of the country in which it is installed If necessary consult with the appropriate regulatory agencies and inspection authorities to ensure compliance Arare phenomenon can create a voltage potential between the earth grounds of two or more buildings If products installed in separate buildings are interconnected the voltage potential may cause a hazardous condition Consult a qualified electrical consultant to determine whether or not this phenomenon exists and if necessary implement corrective action prior to interconnecting the products In addition if the equipment is to be used with telecommunications circuits take the following precautions Never install telephone wiring during a lightning storm Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations Never tou
5. kbps and is configured as a control C From the second line you can see that there are no NMS messages no Msg branch over the F3 key waiting to be read and cleared Also note that the SDCP indicator on the selected DSU s front panel is lit 16 Addressing the Unit A unique address must be assigned to each control and tributary DSU in your network You can assign an address within the range of 1 through 255 NOTES Do not assign the number 192 as a network address This number is reserved as a broadcast address The numbers 191 and 255 cannot be assigned to a DSU that has a DBM However addresses can be assigned in any order they do not have to be sequential It is recommended that only odd numbered addresses be assigned to DSUs so that even numbered addresses are reserved for DBMs If your network does not currently include DBMs you retain the flexibility to add them later without having to reconfigure your entire network If a DBM is installed it requires a separate address which is automatically assigned by the DSU The address assigned a DBM is the DSU s address plus 1 for example if the DSU s address is 1 the assigned DBM address will be 2 Tributary DSU addresses are user definable but take care that their addresses are unique on a multipoint circuit If two tributaries are assigned the same address you will not be able to communicate with either one 17 Power Up Routine When power is
6. 0 ohm resistor default ON is to the rear as you face the front of the DSU Off is to the front 10 Table 3 Model 3551 DSU Jumper Straps Strap Designation State of Jumper Strap Function V 35 Test Mode Indication Left Enables V 35 Test Mode Indication Pins 1 and 2 This is the factory default Right Disables V 35 Test Mode Indication Pins 2 and 3 EIA 232 D Test Mode Indication Left Enables EIA 232 D Test Mode Indication Pins 1 and 2 This is the factory default Right Disables EIA 232 D Test Mode Indication Pins 2 and 3 Alarm Monitoring used with the 48 Vdc Central Office Power Unit Left Disables the 48 Vdc alarm monitoring function Pins 1 and 2 This is the factory default Right Enables the 48 Vdc alarm monitoring function Pins 2 and 3 the NMS adapter cable is being used for alarm monitoring Alarm Monitoring used with the 48 Vdc Central Office Power Unit Left Enables control of alarm monitoring via the NMS adapter cable Pins 1 and 2 the NMS adapter cable is being used for alarm monitoring Right Disables control of alarm monitoring via the NMS adapter cable Pins 2 and 3 a standard EIA 232 cable or the NMS adapter cable is being used for the diagnostic channel This is the factory default 11 Installing the Model 3551 DSU The initial installation procedure for the Model 3551 DSU requires the installation of a rear conne
7. 1 With your thumbs under the edge of the front bezel firmly press upward to lift the bezel from the tabs securing it in place 2 Swing the front bezel up and set the bezel aside 3 Refer to Table 1 to determine which switch needs to be changed Then using a small instrument carefully change the position of the switch 4 Reinsert the front bezel s hinge tabs into position and swing the bezel down Snap the bezel back into place FRONT BEZEL SWITCH 1 HINGE TAB LOCATIONS A 496 14457 01 Table 1 Model 3550 DSU Switch Settings ON Permissive V 32 DBM transmit output level default of 9 dBm Programmable V 32 DBM transmit level between 12 dBm and 0 dBm ON Frame ground FG connected to signal ground SG 1 2 Off FG connected to SG through 100 ohm default resistor ON is to the rear as you face the front of the DSU Off is to the front Installing the Model 3550 DSU Before installing the DSU label the circuit breaker that protects the ac wall outlet and make sure that it is set to ON Then proceed with the installation B gt Procedure 1 Place the DSU in its planned location Make sure the ventilation slots are not blocked 2 At the rear of the DSU insert the ac transformer s circular plug into the interface labeled POWER 3 Plug the ac transformer s 3 prong plug into the ac wall outlet A WARNING Only use the power transformer designed for the Model 3550 DSU Using other
8. 2 0 9 6 4 8 2 4 1 2 Disab Prt2 9 6 14 4 12 0 9 6 MPTT 4 8 2 4 1 2 Disab PTPC PTPT MPTC Underspeed Disab Prti Pri2 External DBU Port Speed Configuration Options Prt1 9 6 64 56 48 28 8 19 2 14 4 9 6 4 8 2 4 1 2 Disab Prt2 9 6 64 56 48 28 8 19 2 14 4 9 6 4 8 2 4 1 2 Disab Underspeed Disab Prti Pri2 22 A Important Safety Instructions 1 Read and follow all warning notices and instructions marked on the product or included in the manual This product is intended to be used with a 3 wire grounding type plug a plug which has a grounding pin This is a safety feature Equipment grounding is vital to ensure safe operation Do not defeat the purpose of the grounding type plug by modifying the plug or using an adapter Prior to installation use an outlet tester or a voltmeter to check the ac receptacle for the presence of earth ground If the receptacle is not properly grounded the installation must not continue until a qualified electrician has corrected the problem If a 3 wire grounding type power source Is not available consult a qualified electrician to determine another method of grounding the equipment Slots and openings in the cabinet are provided for ventilation To ensure reliable operation of the product and to protect it from overheating these slots and Openings must not be blocked or covered Do not allow anything to rest on the power cord and
9. Disab Bilat Lpbk lt Enab Disab Ext Leads lt 4 ExiLd Rate RPowr CCN by EL lt Enab Disab DTR Alarm lt q Enab Disab Async Sync Enab Disab AsyncBit Char 6 7 8 9 10 Stop Bits 1 2 Overspeed 1 0 2 3 Backup Configuration Options Auto Bckup Enab Disab Backup Dir 1 EEn FacAlOnCMI Disab AutoRestor Enab Disab eee Disab NtwkTimOut 1 00 Erab Dia a MPTC 0 20 PTPT MPTT 1 sec to 30 min Restor TimOut 5 min 1 min to 60 min Tries TimeOut 4 15 min 1 min to 60 min MultiCall lt q Enab Disab MUX Setup Configuration Options MUX Funct TDM MCMP CBrdg EBrdg None Share DevA Enab Disab Poren 21 MUX Port Configuration Options DTE Port EIA232 V 35 Async Sync Enab Disab eseseseses s ssSsSSS Disab Rate paee ooo Sync 1800 1200 600 300 150 s 1200 600 300 150 AsyncBit Char 6 7 8 9 10 Stop Bits Overspeed RTS Cnitrl ee a a a a a aaao DTE TxGarrSel lt RxCarrSel lt q Const Cntrl Mark PCC Buffer Enab Disab E oE E Stor RTS CTS Del 0 1040 ms 8 ms increments DTR Alarm Enab Disab AntiStream gt Disab 1 100 sec DSR FrcOn lt q Enab Disab DSR on Tst lt q Enab Disab Configuration Options Prt1 9 6 64 56 48 19 2 9 6 4 8 2 4 1 2 Disab Prt2 9 6 64 56 48 19 2 9 6 4 8 2 4 1 2 Disab Underspeed Disab Prti Pri2 Port Speed DSU Port Speed DBM Configuration Options Prt1 9 6 14 4 1
10. LL JACK 494 1 4578 Connecting the Model 3550 DSU to a DTE The DSU s rear panel has both a 25 pin EIA 232 D V 24 connector and a 34 pin ITU T V 35 connector used for higher operating speeds You can use either interface When the unit is equipped with a TDM Flex either of these interfaces can be used as Port 1 The TDM Flex provides an additional interface to be used as Port 2 This is a D type connector If the port is to operate at a speed greater than 19 2 kbps use the V 35 adapter to provide an interface between the TDM Flex s D type connector and the DTE cable s V 35 connector Be sure to select the appropriate cable EIA 232 or V 35 for your application B gt Procedure 1 Connect the plug end of the DTE cable to Port 1 either the EIA 232 D or the V 35 connector Tighten the two holding screws 2 Connect the other end of the cable to the appropriate port on the computer or DTE Tighten any holding screws 3 If necessary activate the port to match the interface EIA 232 or V 35 The default setting is EIA 232 EIA 232 D V 24 Interface DSU with TDM FLEX EIA 232 D V 24 pee Interface Port 1 ElA 232 V 35 Interface Interface Port 1 Port 2 V 35 Adapter V 35 Cable 99 16299 Connecting the Model 3550 DSU s Port 2 For the ElIA 232 cable install as described above For the V 35 cable install the V 35 adapter then the V 35 DTE cable as follows B gt Procedure 1 Recon
11. T APPAREIL NUMERIQUE DE LA CLASSE A RESPECTE TOUTES LES EXIGENCES DU REGLEMENT SUR LE MATERIEL BROUILLEUR DU CANADA Government Requirements The Federal Communications Commission FCC requires that instructions pertaining to connection to the telephone network be included in the installation and operation manual Specific instructions are listed in this section Notice to Users of the Digital Data Service This equipment complies with Part 68 of the FCC rules On the bottom of the equipment is a label or silkscreened text that contains among other information the FCC registration number and Ringer Equivalence Number REN for this equipment If requested please provide this information to your telephone company The REN is useful to determine the quantity of devices you may connect to your telephone line and still have all of those devices ring when your number is called In most but not all areas the sum of the RENs of all devices should not exceed 5 To be certain of the number of devices you may connect to your line as determined by the REN you should call your local telephone company to ascertain the maximum REN for your calling area 24 If your DSU causes harm to the telephone network the telephone company may discontinue your service temporarily If possible they will notify you in advance But if advance notice is not practical you will be notified as soon as possible You will be advised of your right to file a complaint wi
12. applied the DSU Determines what options DBM or TDM Flex are installed if any Runs a Device Test on itself and each of the installed options During the tests all indicators on the DCP light briefly and the message Power Up Tests appears on the liquid crystal display LCD Displays the results of each test momentarily as Pass Fail or Abrt Abrt indicates that the Device Test was aborted because a network loopback was in progress during the power up procedure These tests take about 20 seconds to complete If a TDM Flex is installed MUX is displayed as Pass or Fail If the DSU or DBM fails this test follow the procedure below B gt Procedure 1 Press the key to return to the top level menu 2 Select Local F1 key 3 4 5 Press the gt key to scroll the Confg Configuration branch into view Press the function key directly below Confg Press the F1 key to select Opts Configuration Options The Load from screen appears Press the gt key to bring the factory loaded unit configurations into view and select the appropriate configuration PTPC for a point to point control PIPT for a point to point tributary MPTC for a multipoint control MPTT for a multipoint tributary Press the F1 key to SAVE the selected configuration The Save to screen appears 8 Save the selected configuration to Activ F1 key 9 Press the key to return to the top level menu then sel
13. cable into the modular jack provided by the telephone company USOC RJ11C permissive or USOC RJ45S programmable 3 If your site has programmable service verify that the DSU s hardware strap S1 1 is switched to the Off position DIAL NETWORK CONNECTION LOW VOLTAGE AC POWER IN OR RJ45S WALL JACK 494 1 4579 Connecting the Model 3550 DSU to the DDS or LADS Network NOTE Before connecting the DSU to the DDS network ensure that approved primary protectors have been installed on the circuit in accordance with Article 800 of the National Electric Code NFPA 70 in the United States and Section 60 of the Canadian Electric Code Part 1 in Canada Follow these steps B gt Procedure 1 Plug the DDS network interface cable into the DSU jack labeled LINE U S select either end of the cable Canada select the 8 pin end 2 Plug the other end of the cable into the modular jack USOC RJ48S provided by the circuit provider If the remote DSU is also connected to the network the DSU s green OK indicator lights and the Alrm indicator goes off The Health and Status screen no longer displays a No Signal message If connecting the DSU to a LADS network note that there are distance limitations that govern the use of DSUs on the network See the User s Guide for specific information DDS NETWORK CONNECTION EIA 232 D V 24 INTERFACE V 35 INTERFACE LINE LOW VOLTAGE AC POWER IN RJ48S WA
14. ch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface Use caution when installing or modifying telephone lines Avoid using a telephone other than a cordless type during an electrical storm There may be a remote risk of electric shock from lightning Do not use the telephone to report a gas leak in the vicinity of the leak 23 Notices A WARNING THIS 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 COMMUNICATIONS 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 THE AUTHORITY TO OPERATE THIS EQUIPMENT IS CONDITIONED BY THE REQUIREMENTS THAT NO MODIFICATIONS WILL BE MADE TO THE EQUIPMENT UNLESS THE CHANGES OR MODIFICATIONS ARE EXPRESSLY APPROVED BY PARADYNE A WARNING TO USERS OF DIGITAL APPARATUS IN CANADA THIS CLASS A DIGITAL APPARATUS MEETS ALL REQUIREMENTS OF THE CANADIAN INTERFERENCE CAUSING EQUIPMENT REGULATIONS CE
15. ctor plate onto the rear of the COMSPHERE 3000 Series Carrier After the initial installation the DSU can be installed or uninstalled by simply removing the DSU from the carrier B gt Procedure 1 At the rear of the carrier set the tab on the rear connector plate into one of the slotted grooves on the carrier s backplane Loosely fasten the screws Make sure the rear connector plate uses the same slot position intended for the DSU 2 Loosely fasten the screw attached to the rear connector plate allowing for slight adjustment that may be needed when installing the DSU 3 Change any default hardware strap settings that may be required before installing the DSU 25 Pin ElIA 232 V 24 DSUs Interface SDU Circuit Card CC In DC Out SSE CC Out DC In TEP FP In Dial 2 Network l FP Out Interface iir ra S2 Carrier Address Koa Uald S1 Protocol Strap ots i i a 16 te E 25 Pin V35 Interface Dial Network Not Interface Module Supported Slots 1 8 For 3551 DSUs Alarm E1 amp E2 DOSi DDS Interface nterface Slots 1 8 Connectors Slots 9 16 AC Fuses Not Supported Power For 3551 DSUs 99 16246 4 Using a Phillips screwdriver loosen the screw holding the circuit pack lock and rotate the lock to the open position Open the latch 12 5 At the front of the carrier hold the DSU vertically with the latch on its faceplate in the open position Then in
16. ect Local again 10 11 12 13 Select the Test branch F3 The Run Test on screen appears Select the device that Failed the DSU or the TDM Flex or DBM Press the F2 key to run the Device Test again The device should pass Should the device fail contact your service representative 18 Configuration Options Configuration options are accessed from the Configuration branch of the front panel menu In the following tables factory defaults are shown in boldface If they differ from each other defaults are shown for PTPC PTPT MPTC and MPTT Key to symbols lt gt These configuration options do not appear when Full mode is disabled using Menu from the Configuration branch Full Mode Enab Disab DSU Configuration Options Rate Kbps 64L 56 38 4 19 2 9 6 4 8 2 4 PrtSp Kbps 64 56 48 19 2 9 6 4 8 2 4 1 2 Disab otsoutee Int Ext Prti Prt2 DDS Msg Clamp lt Enab Disab TxElasStor Enab Disab RxElasStor lt Enab Disab 19 2 PowrLvl lt q 6 0 10 V 54 Lpbk lt Enab Disab Diagnostic DSU Configuration Options Diag Type NonD Disr Mixed None 2nd Ch bps lt 100 400 800 1200 1600 Diagnostic DBM Configuration Options Diag Type NonD Disr Mixed None 2nd Ch bps lt 100 400 800 1200 1600 Diagnostic External DBU Configuration Options Diag Type Disr None 19 Diagnostic General Co
17. figure the port for a V 35 interface See General Configuration Options on page 21 2 Connect the 25 pin plug end of the V 35 adapter Feature Number 3000 F1 510 to Port 2 Tighten the thumbscrews 3 Connect the plug end of the 34 pin V 35 DTE cable to the other end of the V 35 adapter Tighten the holding screws 4 Connect the other end of the DTE cable to the appropriate port on the computer or DTE Tighten the holding screws Changing the Model 3551 DSU Hardware Straps The Model 3551 DSU has several hardware straps that control the permissive or programmable connection when a DBM is installed the Test Mode Indication leads and the external interface leads used with a 48 Vdc Central Office Power Unit Refer to the following figure to locate the switch and jumper locations If a DBM is installed refer to Table 2 to determine which switch needs to be changed if any Refer to Table 3 to determine whether these jumper straps need to be changed Switch 1 Top Rear 48 Vdc Alarm Monitoring Shown Disabled J20 ee J13 e ee J12leele Test Mode Indication Jumpers Shown Enabled Faceplate 99 16245 Table 2 Model 3551 DSU Switch Settings Switch Switch Position Setting Function ON Permissive V 32 DBM transmit output level of 9 dBm default Programmable V 32 DBM transmit level between 12 dBm and 0 dBm ON Frame ground FG connected to signal ground SG S1 2 Off FG connected to SG through 10
18. for our products Complete documentation for this product is available at www paradyne com Select Library gt Technical Manuals gt Subrate Digital Access Devices Then select the following document 3550 A2 GB20 COMSPHERE 3550 Series Data Service Units Models 3550 and 3551 User s Guide To request a paper copy of a Paradyne document Within the U S A call 1 800 PARADYNE 1 800 727 2396 Outside the U S A call 1 727 530 8623 Installation A HANDLING PRECAUTIONS FOR STATIC SENSITIVE DEVICES This product is designed to protect sensitive components from damage due to electrostatic discharge ESD during normal operation When performing installation procedures however take proper static control precautions to Y prevent damage to equipment If you are not sure gt of the proper static control precautions contact your nearest sales or service representative 496 15149 Before installing your DSU read the Important Safety Instructions on page 23 Be sure to register your warranty at www paradyne com Select Service amp Support gt Warranty Registration Changing the Model 3550 DSU Hardware Straps The Model 3550 DSU has a switch located behind its diagnostic control panel DCP This switch contains two straps one that controls the permissive or programmable connection when a DBM is installed and one that controls the frame to signal grounds Table 1 shows the DSU s settings B gt Procedure
19. ion training distributor locations or Paradyne worldwide office locations use one of the following methods Internet Visit the Paradyne World Wide Web site at www paradyne com Be sure to register your warranty there Select Service amp Support Warranty Registration Telephone Call our automated system to receive current information by fax or to speak with a company representative Within the U S A call 1 800 870 2221 Outside the U S A call 1 727 530 2340 Document Feedback We welcome your comments and suggestions about this document Please mail them to Technical Publications Paradyne Corporation 8545 126th Ave N Largo FL 33773 or send e mail to userdoc paradyne com Include the number and title of this document in your correspondence Please include your name and phone number if you are willing to provide additional clarification Trademarks All products and services mentioned herein are the trademarks service marks registered trademarks or registered service marks of their respective owners PARADY NE COMSPHERE 3550 SERIES DATA SERVICE UNITS MODELS 3550 AND 3551 Quick Reference Document Number 3550 A2 GL10 10 March 1999 Product Documentation on the World Wide Web We provide complete product documentation online This lets you search the documentation for specific topics and print only what you need reducing the waste of surplus printing It also helps us maintain competitive prices
20. nfiguration Options Position Cntrl PTPC MPTC Trib PTPT MPTT LinkConfg Pt Pt PTPC PTPT M Pt MPTC MPTT Resp Period lt q 1 2 10 Trib TimOut lt q 0 10 5 sec to 10 min Link Delay Os 1s 2s 5s 10s 20s 50s lt Packet Delay lt q Os is 2s 5s M PtSymPrt lt q Enab Disab DBM Configuration Options Rate Kbps 14 4 12 0 9 6 4 8 2 4 PrtSp Kbps 14 4 12 0 9 6 4 8 2 4 1 2 Disab TxClkSource Int PTPC MPTC RXC PTPT MPTT Ext Prt1 Prt2 DSU Single Rate AutoAnswer 4 Enab Disab TxElasStor Enab Disab RxElasStor lt q Enab Disab Call Setup None Pswrd Cllbk Alarm 10 characters 10 characters V 13 Sign Enab MPTC MPTT Disab PTPC PTPT Dial Test Enab Disab DirCallCon Ansr Disab External DBU Configuration Options ExtBU Ansr Orig None Rate Kbps 64 56 38 4 28 8 19 2 14 4 9 6 4 8 2 4 1 2 Disab TxClkSource DCE Prt1 Prt2 20 General Configuration Options DTE Port EIA232 V 35 RTS Cntrl FrcOn PTPC PTPT MPTC DTE MPTT CTS Cntr Std RTS Delay FrcOn AntiStream Disab 1 100 sec A LSD Lead Std Delay FrcOn DSR FrcOn lt Enab Disab SystemStat lt q Enab Disab DSR on Tst lt Enab Disab Circ Assur lt Enab Disab RespondRDL lt Enab PTPC PTPT MPTT Disab MPTC LL by DTE lt Enab Disab RL by DTE lt Enab
21. rrier Installation Manual for additional information or to install the NIM Connecting the Model 3551 DSU to the DDS or LADS Network NOTE Before connecting the DSU to the DDS network ensure that approved primary protectors have been installed on the circuit in accordance with Article 800 of the National Electric Code NFPA 70 in the United States and Section 60 of the Canadian Electric Code Part 1 in Canada If connecting the DSU to a LADS network there are distance limitations that govern the use of DSUs on the network See the User s Guide for specific information The DDS network interface is provided by two RJ48T 50 pin connectors on the back of the carrier Each connector serves eight contiguous slots in the carrier one for Slots 1 through 8 and one for Slots 9 through 16 Connecting the Model 3551 DSU to a DTE The DTE interface for the Model 3551 DSU is provided through its rear connector plate Each rear connector plate contains two DB25 or 25 pin D type connectors The top connector is an ElA 232 D V 24 ISO 2110 connector The bottom connector is an ITU T V 35 ISO 2593 connector To use the 25 pin V 35 connector used for speeds greater than 19 2 kbps a V 35 adapter is needed Feature Number 3000 F 1 510 The adapter provides the interface between the 25 pin V 35 D type connector and a V 35 DTE cable Each DSU can be configured to use either interface EIA 232 or V 35 independent of other DSUs in the carrier
22. sert the circuit card into the top and bottom circuit card guides for the slot that contains the rear connector plate Slide the DSU into the slot aligning the circuit card with the rear connector plate until the connectors seat firmly into the back of the carrier Press the faceplate latch to secure the DSU into the carrier rotate the circuit pack lock into the closed position and tighten the screw 6 Return to the rear of the carrier and tighten the rear connector plate screw SDU DSU FILLER PANEL CIRCUIT CARD GUIDES CLOSED OPEN 494 12307a 02 13 7 At the rear of the carrier connect the appropriate DTE interface cable EIA 232 D 10 11 or V 35 to the rear connector plate For an EIA 232 D interface cable connect the EIA 232 D cable to the top DTE connector on the rear connector plate For the 25 pin V 35 interface a V 35 adapter is shipped with the unit To connect a V 35 adapter to the 25 pin V 35 connector perform the following steps Connect the 25 pin end of the V 35 adapter to the bottom DTE connector of the rear connector plate Tighten the thumbscrews on each side of the connector Connect the V 35 interface cable to the 34 pin end of the V 35 adapter then tighten the screws on each side of the cable connector 25 Pin Connector J Thumbscrews V 35 Adapter eS S V 35 Cable WOSSSSSSSSSSSH SSSSSSSSOSso IN OBDOS999933 amp OS99999so S SSSss e
23. th the FCC If your DSU causes harm to the telephone network the telephone company may discontinue your service temporarily If possible they will notify you in advance But if advance notice is not practical you will be notified as soon as possible You will be advised of your right to file a complaint with the FCC Your telephone company may make changes in its facilities equipment operations or procedures that could affect the proper operation of your equipment If so you will be given advance notice so as to give you an opportunity to maintain uninterrupted service The DBM cannot be used on public coin operated telephone service provided by the telephone company Connection to party line service is subject to state tariffs Contact the state public utility commission public service commission or corporation commission for information No repairs may be performed by the user Should you experience difficulty with this equipment refer to the Warranty Sales Service and Training Information in the front of this document For Digital Data Service DDS installations inform the local telephone company of the appropriate network channel interface code for the service you desire Interface Data Rate Code bps 04DU5 96 9600 04DU5 19 19 200 04DU5 56 96 000 The DDS Service Order Number is 6 0Y The jack configurations required are RJ48S for the Model 3550 DSU and RJ48T for the Model 3551 With an RJ48T configuration you m
24. transformers may result in personal injury or damage to the equipment A 232 D V 24 Interface V 35 Interface NMS Jack i i Q DBM Jack Low Voltage QZ DDS Jack Z AC Power In a nh A Tabletop CS AC Transformer 99 16243 Connecting the Model 3550 DSU to the NMS A 3600 Hubbing Device is required to connect the control DSU to the 6700 Series NMS When connected to the NMS the DSU can be controlled and configured from the NMS rather than from the DCP alone B gt Procedure 1 Plug the 4 pin modular plug of the 3600 Hubbing Device into the DSU jack labeled CC DC 2 Plug one end of an M6Bu cable into the hubbing device jack labeled CC IN DC OUT 3 Plug the other end of the 8 pin M6BJ cable into the 8 pin end of the 873A adapter 4 Plug the D type end of the 873A adapter into the appropriate 6700 Series NMS jack Refer to your COMSPHERE 6700 Series NMS documentation to control and configure the DSU from the NMS NMS NETWORK CONNECTION LOW VOLTAGE AC POWER IN z A O N OO 2 J EVICE 496 14576a Connecting the Model 3550 DSU to the Dial Network PSTN If your DSU is equipped with a V 32 DBM follow these steps B gt Procedure 1 Plug either end of the dial analog interface cable into the DSU jack labeled BACKUP Permissive service telephone cord with 6 pin modular RJ11C plug Programmable service telephone cord with 8 pin RJ45S plug 2 Plug the other end of the
25. ust specify the number of data lines you require Refer to Technical Specifications in the User s Guide for V 32 DBM jack information After the telephone company has installed the requested jack you can connect the DSU with the appropriate cable provided An FCC compliant telephone cord and modular plug is provided with this equipment This equipment is designed to be connected to the telephone network or premises wiring using a compatible modular jack that is Part 68 compliant 25
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