Manuals / AT&T / Communications / Telephone

AT&T System 85 manual Definity Communications System System 75 and System

Models: System 85

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Specs Error messages Default Softkey Features on Spare Charge Indicator Administrable Buttons Connecting the Power Supply Dimension Reset button Connectors Carrier Assembly AC Adapter

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AT&T 555-015-201

Issue 7, November 1994

DEFINITY® Communications System

and System 75 and System 85

Terminals and Adjuncts

Reference Manual

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AT&T System 85 manual Definity Communications System System 75 and System

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Contents

Definity Communications System System 75 and System Ordering Information 1994 AT&T All Rights Reserved Contents 7102A and 7102 Plus Voice Terminals ……………………………………………………… 7203H Equipment Price Element Code PECs …………………………………………………… 7205H Equipment Price Element Code PECs …………………………………………………… Plus Equipment PECs and Comcodes …………………………………………………… 7403D Equipment Price Element Code PECs …………………………………………………… 7405D Equipment Price Element Code PECs …………………………………………………… Equipment Price Element Codes PECs …………………………………………………… Equipment PECs and Comcodes ………………………………………………………… Callmaster and Callmaster II and III Voice Terminals ………………… Series Equipment Price Element Code PECs ……………………………………………… Mmgl and 2500 Ymgl Telephones…………………………………………………… Administration of Hidden Features…………………………………………………………………… Isdn 7505 Modular Terminal …………………………………………………………………… Isdn 8510T Voice/Data Terminal ……………………………………………………………… Service Profiler ID Spid ……………………………………………………………………… Hearing Aid Compatibility …………………………………………………………………………… MDW 9000 Equipment PECs & Comcodes ……………………………………………………… 4A, S101A, and S102A Speakerphones……………………………………………………… S203A Price Element Codes PECs ……………………………………………………………… 7400B and 7400B Plus Data Module ………………………………………………………… Isdn Asynchronous Data Module ADM …………………………………………………… Processor Data Module PDM ………………………………………………………………… PC Platforms PC/PBX and PC/ISDN and Application Software … Blank Templates for Model Design …………………………………………………………… Figures Xxvii 8403 Voice Terminal ……………………………………………………………… 7505 Asynchronous Data Modular Terminal …………………………………… 7400B Plus Data Module ………………………………………………………… Tables Page Purpose Introduction Introduction Organization 500/2500 Series Series Callmaster Introduction Introduction Single-Line Voice Terminals Voice Terminals Multi-Appearance Voice Terminals Isdn Voice Terminals Usable with DEFINITY, System 75, and System Facilities Common to All Voice Terminals Fixed Feature ButtonsButtons Administrable Buttons 7410 Example Shows Button Lights Lights Green Status Light Red LightMessage Light External Ringing Tones TonesHandset Tones Desk/Wall Mounting Arrangements Adjuncts Adjunct/Voice Terminal Compatibility MET Data Link Components Data Modules General Information General Information Data Terminals Technical Specifications Call Progress Tones 1MMM 2HHH 3LLL 4LHH 5HHL 6HLL 7HLH 8LHL Indicator Lights Signals Exposed Ports And Terminals Defined RequirementsOut-of-Building Campus Stations Recommended Protectors ITW Irob Protection Availability Availability Availability Callmaster Availability Availability Adjunct Power Adjunct Power Adjunct Power Information on the Older Power Supplies Adjunct Power Contents of the MSP-1 Package and Comcodes MSP-1 Power Supply Phone Other Line Connecting the Power Supply D8W D4BU Aliasing Administration S75 R1V1 S75 R1V2 S75 R1V3 G1 and G3 Definity G1 and System 75 Voice Terminal Administration8101/8102/8110 7102A Administration 7444 7405D 7434D Or 7407D 8403 8410B 7403 7410 8410D 7405+D 8434 for Extra features 8434 forAdditional coverage Isdn 8503T 8510T 8520T MDC 3270A DCP PCs S75 R1V1 S75 R1V2 S75 R1V3 G1 and G33270C DCP 3270T DCP S85 R2V2 S85 R2V3 S85 R2V4 Definity G2 and System 85 Voice Terminal Administration S85 R2V1 S85 R2V2 S85 R2V3 S85 R2V4 Isdn 8503T 7505 8510T 7507 8520T MDC 7303S Hybrid MDW 8434 for 7405+D+F Extra features 7434+D Additional coverage BCT 7405D PT 510D System 75 and Definity G1 Button and Feature Caveats R2V2-R2V4 System 85 and Definity G2 Voice Terminal Features Single-Line and 7401 Voice Terminal Features Fixed Prog 7401D Multi-Appearance Hybrid Voice Terminal Features 7203H 7205H Multi-Appearance Digital Voice Terminal Features Plus 7403D 7404D 7405D 7406D 7406BIS 7406 Plus Enhd 7407 7407 Plus 7410 7410 Plus 7434D 7444 7407D Enhd 7407 7407 Plus 7410 7410 Plus 7434D 7444 8403 8410 An MSP-1 Power Supply is recommended Multi-Appearance Isdn Voice Terminal Features Voice Terminal Features 7101A Voice Terminal Voice Terminal Features Features Dimensions7101A Voice Terminal Applications Other Physical Features Power Failure Operation Power RequirementsDistance Limitations FCC Registration Hearing Aid Compatible Additional Documents 7101A Equipment Price Element Code PECs 7101A Voice Terminal 7102A and 7102 Plus Voice Terminal 7102A and 7102 Plus Voice Terminals 7101A Voice Terminal 7102A and 7102 Plus Voice Terminals 7102A and 7102 Plus Voice Terminals One Fixed Feature Button Mounting Options Definity G1 & G3 Equipment Price Element Code PECs 7102A and 7102 Plus Voice Terminals 7103A Fixed Feature Voice Terminal 7102A and 7102 Plus Voice Terminals 7103A Fixed Feature Voice Terminal Eight Feature Buttons 7103A voice terminal is available in black only 7103A voice terminal is not FCC registered 7103A Fixed Feature Equipment Price Element Code PECs 7103A Fixed Feature Voice Terminal 7103A Programmable Voice Terminal 7103A Fixed Feature Voice Terminal 7103A Programmable Voice Terminal Four Fixed Feature Buttons Ten User-Programmable Feature Buttons Distance Limitations Power Failure Operation 7103A Programmable Equipment Price Element Code PECs 7103A Programmable Voice Terminal 7104A Voice Terminal 7104A Voice Terminal with attached Message Waiting Adjunct 7104A Voice Terminal Eight dual function buttons Eight Special Fixed Feature ButtonsLoudspeaker Display Pull out tray TN742 15,200 4,633 10,000 3,050 Equipment Price Element Code PECs 7104A Voice Terminal 7203H Voice Terminal 7104A Voice Terminal 7203H Voice Terminal Six Fixed Feature Buttons Call Appearance/Feature Buttons SN224 000 300 7203H voice terminal is not FCC registered 7203H Equipment Price Element Code PECs 7203H Voice Terminal 7205H Voice Terminal 7203H Voice Terminal 7205H Voice Terminal 7205H Voice Terminal Feature-Only Buttons SN224 000 300 700 7205H Equipment Price Element Code PECs Additional Documents 7205H Voice Terminal 7303S Voice Terminal 7205H Voice Terminal 7303S Voice Terminal Self Test System ANN17B 7303S Equipment Price Element Code PECs Adjuncts 7303S Voice Terminal 7305S Voice Terminal 7303S Voice Terminal 7305S Voice Terminal Self-Test 7305S voice terminal was available in black and misty cream 000 305 650 700 213 450 7305S Equipment Price Element Code PECs Additional Documents 7305S Voice Terminal 7401 Plus 7401D02A Voice Terminal 7401D and 7401 Plus Voice Terminal 7305S Voice Terminal 7305S Voice Terminal 7401D and 7401 Plus Voice Terminals Special Operational Characteristics7401D and 7401 Plus Voice Terminals Feature Button Physical Features Feature Directory Feature/Call Activity Light Distance Limitations System SN270B 400 1,034 200 TN754 Aliasing Switch AdministrationButton Numbering 7401D and 7401 Plus Voice Terminals Buttons 1 and 2 are line appearances. Buttons 3 9 are F1 F7 Buttons 1 and 2 are the Hold button and the Message light 7401D Equipment PECs & Comcodes UL and CSA Approval Plus Equipment with PECs and Comcodes Button designation card 7401D and 7401 Plus Voice Terminals Faceplate Headsets Plus and 7410 Plus Voice Terminals Installation Instructions 12. The 7402 Plus Voice Terminal Plus Voice Terminal 106 Plus Voice Terminal Call Appearance and Feature Buttons Four Standard Fixed Feature ButtonsPlus Voice Terminal Select button Volume control button 110 111 112 GHI Pqrs ABC JKL TUV 114 Comcodes Plus Equipment PECs and Comcodes Plus Voice Terminal Line cord 14 feet, silver Plus Voice Terminal Installation Instructions 118 7403D Voice Terminal 120 7403D Voice Terminal 7403D Voice Terminal 7403D voice terminal was available in black and misty cream 7403D voice terminal is not FCC registered 7403D Equipment Price Element Code PECs 126 7404D Voice Terminal 128 7404D Voice Terminal 7404D Voice Terminal Data Light 7404D voice terminal was available in black and misty cream 7404D Equipment Price Element Code PECs 133 134 7405D Voice Terminal 136 7405D Voice Terminal 7405D Voice Terminal 7405D voice terminal is equipped with a R-type handset 139 7405D voice terminal is not FCC registered 7405D Equipment Price Element Code PECs 142 143 7406D, 7406BIS, and 7406 Plus Voice Terminals Ringer Volume Control 19. The 7406BIS 7406D05A Voice Terminal with Display 20. The 7406 Plus 7406D07A Voice Terminal with Display 7406D, 7406BIS, and 7406 Plus Voice Terminals 7406D, 7406BIS, and 7406 Plus Voice Terminals Shift button on 7406D and 7406BIS Feature ButtonsSelect Ring button on 7406D and 7406BIS Select button on 7406 Plus only One-level Feature-only and Two-level Feature-only Buttons Speakerphone on 7406BIS and 7406 Plus Loudspeaker/Spokesman/Speaker Feature Mute button on 7406BIS and 7406 Plus Volume button on 7406BIS and 7406 Plus 153 154 155 System 75, R1V2 or above Plus 7406D voice terminal 157 Message Conference Drop Select Ring Shift Transfer Hold Oper 159 ABC 161 7406D/7406BIS Equipment PECs & Comcodes Hearing Aid Compatibility Button designation strip Graphic panel for the 7406D05A and 7406D06A Wall mount kits Blank bezel for sets without display Graphic panel Wall mount kit 167 168 25. The 7407D 7407D01B Voice Terminal 7407D, Enhanced 7407D, and 7407 Plus Voice Terminals 26. The Enhanced 7407D 7407D02C Voice Terminal 27. The 7407 Plus 7407D02D Voice Terminal 172 7407D, Enhanced 7407D, and 7407 Plus Voice Terminals 7407D, Enhanced 7407D, and 7407 Plus Voice Terminals Switch Options for the 7407D and Enhanced 7407D Version Switch setting DIP Switch Options for the 7407 Plus 176 Select Ring button on Enhanced 7407D only CALCULATOR/SELECT Ring button on 7407D only Select button on the 7407 Plus only Feature-only Buttons on the Enhanced 7407D 7407D02C Feature-only Buttons on the 7407D 7407D01BFeature-only Buttons on the 7407 Plus 7407D02D Speaker Listen-only Feature Speakerphone Listen and Speak Feature Microphone button on 7407D only Volume control button on Enhanced 7407D and 7407 PlusMute button on the Enhanced 7407D and 7407 Plus Self-Test on Enhanced 7407 and 7407 Plus Display button on 7407D only Display Adjustment Control on 7407D and Enhanced 7407D 183 184 185 186 187 188 189 190 191 7407D/Enhanced 7407D Equipment PECs & Comcodes Display Bezel 194 Plus and 7444 Voice Terminals Installation Instructions 196 34. The 7410D 7410D01A Voice Terminal 7410D and 7410 Plus Voice Terminals 35. The 7410 Plus 7410D02A Voice Terminal 7410D and 7410 Plus Voice Terminals Select Ring button on 7410D 7410D and 7410 Plus Voice TerminalsSelect button on 7410 Plus Speaker button on 7410 Plus Volume control button on 7410 Plus 202 203 Definity G1 & G3 Definity G2 205 206 GHI Pqrs 208 Handset cord 12 feet, black 7410D Equipment with PECs and ComcodesLine cord 9 feet Comcode Black=846118016 Misty Cream=846118024 211 212 7434D Voice Terminal 214 7434D Voice Terminal Standard Fixed Feature Buttons 7434D Voice Terminal 217 218 Equipment Price Element Codes PECs 220 7444D Voice Terminal 222 Voice Terminal Voice Terminal Seven Display Feature Buttons with a green status light Mute button 7444 voice terminal is equipped with an R-type handset 7444 voice terminal is available in black and misty cream 228 229 230 231 232 Equipment PECs and Comcodes Button designation card PEC 81005 Package Voice Terminal Line cord 14 feet, silver 235 236 Voice Terminal 238 239 Call Appearance Buttons Eight Fixed Feature Buttons Test button 8403 voice terminal is available in black and AT&T white PIN Pair Name Description Wiring Information 244 Circuit Pack Wire Will support these switches Definity G2V1 247 248 249 K2S1 Handset Equipment PECs & ComcodesK2S6 Handset available late 1994 or early K6S2-003 Black Amplifier Handset Designation Card Cover Voice Terminal Line cord 7 feet 252 47 D Voice Terminal With Display 254 255 Shift Button Speakerphone Softkeys Display Control Buttons CnLWC Cancel Leave Word Calling AutCB Automatic Callback Default Softkey Features onTimer First Screen Abbreviated Dialing buttons Alternate Softkey Features onCan be multiple AD buttons Send All Calls Stored Number Voice Terminal Alternate Softkey Features on 8410 voice terminal is equipped with a K-type handset 263 264 265 Wire only 7403D Global Definity ’91 7410D R1V4 Wire only 7405D+D Global Definity ’91 268 269 270 Voice Terminal K2S6 Handset available late 1994 or early 272 273 50 Voice Terminal 8434DX Voice Terminal 51 DX Voice Terminal 276 8434DX Voice Terminal 8434DX Voice Terminal 278 279 280 281 282 Default Softkey Features on the 8434 and 8434DX Abbreviation Alternate Softkey Features on the 8434 and 8434DX 285 286 287 288 Caveats 290 291 292 8434DX Equipment PECs and Comcodes 8434DX Voice Terminal K2S6 Handset 295 296 297 Callmaster and Callmaster II & III Voice Terminals Callmaster II and Callmaster III Voice Terminal 300 Callmaster and Callmaster II and III Voice Terminals Callmaster and Callmaster II and III Voice Terminals Recorder Interface 303 304 LOG in and Release buttons Kneewell Adapter 602 Callmaster only Button Numbering 308 309 310 311 Callmaster Equipment Price Element Code PECs 313 314 Series Telephone 316 Series Telephone Physical Features Series Telephone TN742 20,000 100 13,000 962 Series Equipment Price Element Code PECs Series Telephones 322 Recall button Series Telephones Series Telephones 2500-series telephone is FCC registered Price Element Code PECs Dmgc Telephone 328 Message light Dmgc Telephone Dmgc Telephone 2500 Dmgc telephone is FCC registered Dmgc Equipment Price Element Code PECs Ymgk Telephone 334 Recall button Ymgk Telephone Ymgk Telephone 337 Ymgk Equipment Price Element Code PECs 10. The 2500 Mmgl Telephone Mmgl and 2500 Ymgl Telephones 11. The 2500 Ymgl Telephone Mmgl and 2500 Ymgl Telephones Features on the 2500 Ymgl Flash button Mmgl and 2500 Ymgl TelephonesRedial button Hold button Other Physical Features on Both 2500 Telephones 344 Mmgl and 2500 Ymgl Equipment Price Element Codes PECs 346 Telephone 348 Telephone Telephone Designation Card Other Physical Features Mode Selector System SN229 500 981 100 246 SN228B Telephone PECs and Comcodes Ringer Equivalency Numbers Designation strips Telephone Line cord 14 feet, silverDesignation card covers 8102M Telephones 356 8102M Telephones Programmable Dialing Buttons 8102M TelephonesProgram and Pause buttons 8102 and 8102M telephones are equipped with a K-type handset 360 361 Administration of Hidden Features 8102M Telephones PECs and Comcodes Stands Security designation card and cover 8110 Telephones User’s Manual 366 14. The 8110 and 8110M Telephones 8110M is shown here 8110M Telephones 368 8110M Telephones 8110M Telephones 371 372 System SN228 374 375 Handset cord 8110M Telephones Equipment PECs and Comcodes 8110M Telephones Designation card covers Speakerphone power adapterAuto-Answer buttons Auto Answer flat caps Following instructions are shipped with every 8110 telephone Isdn 7505 Modular Terminal 380 Isdn 7505 Modular Terminal Isdn 7505 Modular Terminal Feature-Only Button 7505 is equipped with an R-type handset Terminating Resistor 385 386 Isdn 7506 Display Terminal 388 Isdn 7506 Display Terminal Isdn 7506 Display Terminal 391 7506 is equipped with an R-type handset 7506 display terminal is not FCC registered 394 Isdn 7507 Display Terminal 396 Isdn 7507 Display Terminal Isdn 7507 Display Terminal 7507 display terminal is equipped with an R-type handset 400 7507 display terminal is not FCC registered 402 Isdn 8503T Voice Terminal 404 Isdn 8503T Voice Terminal Isdn 8503T Voice Terminal Four Standard Fixed FeaturesTwelve Programmed Memory Locations Program button Memory button 408 Color ROM cartridge Terminating Resistors Phantom or Auxiliary Power 8503T voice terminal is FCC registered Designation card 8503T Equipment PECs and Comcodes 413 414 Isdn 8510T VOICE/DATA Terminal 416 Isdn 8510T Voice/Data Terminal Isdn 8510T Voice/Data Terminal Nine Fixed Features Exit button 420 Prev, and Next Kickstand ADB and TMI Boards Data Features 425 426 Button Numbering Service Profiler ID Spid Hidden/Craft Features 8510T Equipment PECs and Comcodes Data Upgrade KitIsdn 8510T Voice Terminal Isdn 8510T Data Terminal 430 Isdn 8520T VOICE/DATA Terminal 432 Isdn 8520T Voice/Data Terminal Isdn 8520T Voice/Data Terminal 435 436 437 8520T is available in AT&T black or AT&T white Terminating Resistor Auxiliary Power Supply 440 Isdn 8520T Voice Terminal 8520T Equipment PECs and Comcodes Handset for Noisy Environments Isdn 8520T Voice/Data Terminal HandsetDesignation cards 443 444 Isdn 8528T Voice Terminal 446 Isdn 8528T Voice Terminal Isdn 8528T Voice Terminal 448 449 450 451 8528T is available in AT&T black or AT&T white 453 8528T Equipment PECs and Comcodes Isdn 8528T Voice Terminal Handset 456 457 MDC 9000 Cordless Telephone 23. MDC 9000 Telephone, Top View of Charging Base 460 MDC 9000 Cordless Telephone MDC 9000 Cordless Telephone Outside Line or Intercom/ Programmable Feature Buttons Handset FeaturesStat Button Handset ON/OFF Button Battery Charging Contacts Earpiece Volume Control SwitchHeadset ON/OFF Button LCD Display Charging Base Features Out-of-Range Indication Distance and Installation Limitations for the Charging BaseDisplay Information 466 467 MSG MDC 9000 Equipment PECs & Comcodes 470 471 MDW 9000 Wireless Telephone 27. MDW 9000 Telephone, Top View of Charging Cradle 28. MDW 9000 Telephone, Radio Module MDW 9000 Wireless Telephone MDW 9000 Wireless Telephone Handset and Headset ON/OFF Button Volume Control Switch Spare Charge Indicator Charging Cradle FeaturesSpare Battery Cover Modular Power Pack Radio Module Features 480 Distance and Installation Limitations 482 483 MDW 9000 sold separately MDW 9000 Equipment PECs & ComcodesMDW 9000 Multiple Unit sold as a unit Foot Line Cord Carrier Assembly AC Adapter MDW 9000 Wireless Telephone Carrier AssemblyRadio Module AC Adapter Comcode Charging Cradle AC Adapter Other Voice Terminals Voice Terminals Reusable from Other Systems Other Voice TerminalsModels 7302H, 7303H, 7305H01B, and 7305H02B Advantages of Reusable Terminals Multi-Button Electronic Telephone MET Sets Button MET Desk 490 Adjuncts Adjuncts Call Coverage Module Adjuncts Mounting Call Coverage ModulesColor Options Call Coverage Modules Call Coverage Module PEC Codes PowerConsiderations Call Coverage Modules Digital Display Module Automatic Displays Digital Display ModuleAuxiliary Displays Display On/Off SwitchAssignable Function Buttons Display Functions Digital Display Module PEC Codes Digital Display Module Function KEY Module Digital Display Module Function Key Modules Feature buttonsFunction Key Modules Digital Terminal Data Module PEC Codes Function Key Modules 801A Expansion Module 801A Expansion Module Administering the Expansion Module 801A Expansion Module PEC Codes Button Numbering for Administering the 801A Expansion Module 801A Expansion Module Headset Adapters 801A Expansion Module Off Switch On/Quiet SwitchHeadset Adapters Headset Adapters 500A headset adapter is silver while the 502A is black Headset PEC Codes Headset Adapters Message Waiting Indicator Headset Adapters Message Waiting Indicator Message Waiting IndicatorLight Message Waiting Indicator PEC Codes Message Waiting Indicator 4A, S101A, and S102A Speakerphones 4A, S101A, and S102A Speakerphones Sliding volume controlS101A and S102A Speakerphones On/Off button 4A Speakerphone Volume4A, S101A, and S102A Speakerphones On or Quiet button Speakerphone PEC Codes 4A, S101A, and S102A Speakerphones S201A and S202A Speakerphones 4A, S101A, and S102A Speakerphones Reset button Volume controlS201A and S202A Speakerphones Speakerphone button Jack S201A and S202A Speakerphone PEC Codes S201A and S202A Speakerphones S203A Speakerphone Speakerphone with light S203A Speakerphone S203A Speakerphone Two Volume buttonsMute/Auto Answer with light Recalibrate button S203A Price Element Codes PECs Bridging S203A Speakerphone Type Loudspeaker S203A Speakerphone Loudspeaker ON/OFF switchLoudspeaker Loudspeaker Messaging Cartridge Loudspeaker Messaging Cartridge Price Element Codes PECs Messaging Cartridge Messaging Cartridge 2870A1 Automatic Dialer Messaging Cartridge Automatic Dialer Automatic DialerProgrammable buttons Four Fixed function buttons Automatic Dialer PEC codes Data Modules Data Modules 7400A Data Module Data Modules 7400A Data Module POWER/TEST light Jacks NEXT/NO, BACK, and ENTER/YES buttonsMounting Options Tests Features 7400A Data Module Price Element Codes PEC 7400A Data Module 7400B Plus Data Module 7400B and 7400B Plus Data Module 7400B and 7400B Plus Data Module 7400B and 7400B Plus Data Module Block Diagram of the 7400B Interface Features SW1-1 With/Without Telephone Option Setting Options SW1-5 Data Metering Option SW1-7 Speakerphone Enable/Disable Option for 7400B PlusSW1-6 Suppress Touch-Tone/Dial Tone for 7400B Plus SW1-8 Make Busy on Local Loop Option 7400B Plus Data Module PEC 2172-101 Comcode 7400B Data Module PEC Codes 7400B and 7400B Plus Data Module 8400B Plus Data Module 8400B Plus Data Module 8400B Plus Data Module 8400B Plus Data Module Physical Description Jacks 8400B Plus data module can be desk-mounted Power FCC Registration 8400B Plus Data Module PEC 2172-2WB Comcode 8400B Plus Data Module PEC Codes 8400B Plus Data Module 7500B Data Module 7500B Data Module 7500B data module is available in misty cream only Synchronous DCE Features Asynchronous DCE Features 7500B Data Module User’s Manual Isdn Asynchronous Data Module ADM Isdn Asynchronous Data Module ADM Price Element Codes PECs Isdn Asynchronous Data Module ADM Digital Terminal Data Module Dtdm Digital Terminal Data Module Dtdm Block Diagram of Dtdm Interfaces Switches Dtdm Equipment PEC Codes Additional Documents Digital Terminal Data Module Dtdm Z702AL1 Data Service Unit DSU Block Diagram of Z702AL1 Data Service Unit Interfaces Z702AL1 Data Service Unit DSU Z702AL1 Data Service Unit DSU Parity switchData Speed wheel Self-Test light Z702AL1 DSU PEC Codes Z702AL1 Data Service Unit DSU 703A Data Service Unit DSU Z702AL1 Data Service Unit DSU 703A Data Service Unit DSU 703A Data Service Unit DSU Physical Appearance Option switchesSelf-Test button Addtional Documents DSU Price Element Codes PECs 703A Data Service Unit DSU Definity High Speed Link Definity High Speed Link 703A Data Service Unit DSU Definity High Speed Link Connectors Administration Releases for Switched Applications Switched RequirementsSwitched Endpoints Switched Applications Releases for Permanent Applications Permanent Private Line RequirementsPermanent Endpoints Permanent Applications Permanent Private Line Applications Hight Speed Link Price Element Codes PEC Definity High Speed Link Processor Data Module PDM Definity High Speed Link Processor Data Module PDM Processor Data Module PDM PDM Equipment Price Element Code PEC Processor Data Module PDM Trunk Data Module TDM Trunk Data Module TDM Trunk Data Module TDM TDM Equipment Price Element Codes PEC Trunk Data Module TDM Modular Trunk Data Module Mtdm Functional elements Modular Trunk Data Module Mtdm Modular Trunk Data Module Mtdm Mtdm Equipment Price Element Codes PECs Modular Trunk Data Module Mtdm Data Module Modular Trunk Data Module Mtdm Data Module Data Module C Data Module Cords 3270A and 3270T 3270C Power Equipment Price Element Codes PECs Data Module Asynchronous Data Unit ADU Data Module Asynchronous Data Unit ADU SwitchAsynchronous Data Unit ADU Z3A Data Module Price Element Codes PECs Additional Documents Dciu Interface Units Dciu Interface Units Local Distribution Service Unit105A Isolating Data Interface IDI Series DSU Series Data Service Unit DSU Series Data Service Unit DSU Series DSU Price Element Codes PECs PC Platforms PC/PBX and PC/ISDN Application Software PC Platforms PC/PBX and PC/ISDN Overview PC Platforms PC/PBX and PC/ISDNPlatforms PC/PBX and PC/PBX MicroChannel Platforms Capabilities Applications PC/PBX Price Element Code PEC PC/ISDN Platform PC/ISDN Price Element Codes PEC Capabilities PC/PBX ConnectionPC/PBX Connection PC/PBX Price Element Codes PECs E78 Plus/ISDN Software E78 Plus/ISDN Software E78 Price Element Codes PECs Blank Templates for Model Design Blank Templates for Model Design Isdn Isdn 8503T Isdn 8510T Isdn 8520T Index Index Isdn 7507 Index

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