User ManualTable of ContentsChapter 1. Understanding ISDN and the ISU 2x641ISDN Overview1The ADTRAN ISU 2x641ISU 2x64 Interoperability4ISU 2x64 Single Port Operation4Recommended Operating Protocols6Chapter 2. ISDN Service9ISDN Ordering Codes9Chapter 3. Installation13Network Connection13DTE Data Connection14Maintenance interface15Dial Interface Connection16Chapter 4. Operation17Menu Navigation17Front Panel DTE Indicators18VT 100 Menu Support19Getting Started19Status Buffer20Status Screen21Configuration Screen22Chapter 5. Testing23Test Options23Loopback DTE24Loopback Network24Loopback Protocol24Loopback Remote25Test Remote25Loopback Disable25NEBE/FEBE26Software Version26Loopback Both DTEs26Test 2047 Both26Chapter 6. Configuration27Dial Line Operation27Setting the Switch Protocol28Setting the Call Type31Speech31Audio31Data 56kbps31Data 64kbps31Smart Dial Strings32Setting the Terminal ID32Setting the SPID32Setting the LDN33Setting the Busy Out Port33Enabled34Disabled34Setting the Dial Options34Front Panel34RS-36634AT Commands36V.2539Disabled42Setting Auto Answer42Disabled42Enabled43Dump all calls43Setting Answer Tone43No Answer tone (Default)44Incoming tone44Outgoing tone44Always tone44Setting Connect Timout45Setting Call Screening45SBus Termination46Leased Line Service47Clock Mode: Slave/Master47Channel Rate48SBus Termination49DTE Options for Asynchronous and Synchronous Operation50Bit Rate51Connector Type51RTS Options51CTS Options51CD Options51DTR Options52DSR Options52Flow Control (asynchronous data format)52Data Format (asynchronous)53Transmit Clock (synchronous data format)53Autobaud54Setting Protocol Options55Clear Channel56BONDING mode 156TXINIT57TXFA57TXADD0157TXDEQ58TANULL58TCID58Async. Rev.58V.12058V.11059DSU 57.6 ASYNC59T-Link59SAP59FALLBACK60Point-to-Point (PPP) Async-to-Sync61Point-to-Point Protocol (PPP)62Multilink PPP62PPP with Compression62Chapter 7. Dial Options63Front Panel Dialing Options63Hang up line64Dial number64Redial last #64Answer Call64Dial stored #64Store/Review #64Chapter 8. Quick Setup65Quick Setup Configuration65Quick Setup66Dial 56K sync*66Dial 64K sync*67Dial 112K sync*67Dial 128K sync*68Dial 57.6 asyn*68Dial 115.2 asyn*69Fallback 57.6k*69Leased 64K70Ldm 64K Master70Factory Setup71Chapter 9. Security and Remote Configuration73Security73Set Password74Lock Keypad74Remote Config74Cfg. Rmt. Unit75Set Password75Lpbk remote 1B75Lpbk remote 2B75Chapter 10. Troubleshooting77If Self Test Fails77If The ISU 2x64 Does Not Read Ready77If the Wrong DTE Port Answers a Call83If you Cannot Connect Calls84Network Interface85DTE Interface85Dialing Selections85Data Rates (Network)85Data Rates (DTE)86B Channel Aggregation86Rate Adaptation86Interoperability86Switch Compatibility86Display87Environmental87Physical87Power87Appendix A. AT Commands89Appendix B. Current Status Messages95Appendix C. Status Buffer Messages99Appendix D. S-Register List109Appendix E. Connector Pinouts119Appendix F. Ordering ISDN Without IOCs125Acronyms135Glossary137Index145ISU 2x64 Rear Panel2ISU 2x64 Front Panel4ISU 2x64 Interoperability5VT 100 Maintenance Help Screen15Current Status Menu18VT 100 Status Screen21VT 100 Configuration Screen22VT 100 Test Menu Screen23Test Menu Tree24Loopback Points24Dial Line Menu Tree27VT 100 Configuration Menu Screen28LCD Configuration Menu Tree29Dial Options, RS-366 Menu Tree35Dial Options, V.25 bis Menu Tree39Dial Line, Auto Answer Menu Tree40Data Bits Menu Tree41V.25 bis ASYNC Menu Tree41Answer Tone Menu Tree44Connect Timout Menu Tree45Call Screening Menu Tree45SBus Termination Menu Tree46Leased Line Menu Tree47Limited Distance Modem Applications48Leased Application with Channel Banks48Asynchronous DTE Options Menu Tree50Synchronous DTE Options Menu Tree50Flow Control Menu Tree53Data Format Menu Tree53Transmit Clock Menu Tree54Protocol Menu Tree55Protocol BONDING, Mode 1 Menu Tree57PPP Menu Tree61VT 100 Dial Options Screen63Dial Menu Tree63Quick Setup Menu Tree65Security Menu Tree73Remote Config Menu Tree74EIA-232 Interface119RS-530 Interface120V.35 Interface120RS-366 Interface121RJ-45 Dial Line Connector U Interface122DTE Indicators3Recommended Operating Modes7Rate Adaptation Protocols60Troubleshooting Calls84EIA-232 Interface119RS-530 Interface120V.35 Interface121RS-366 Interface122RJ-45 Dial Line Connector U Interface122RJ-45 Dial Line Connector S/T Interface123Maintenance Connector1235ESS Features131DMS Features132Data Bits8Stop Bits1Data Bits8Stop Bits1Data bits8Stop bits1AT Command End-of-Line character value13AT Command Line Feed character value10AT Command Backspace character value8AT Command Miscellaneous Bits (S register 14)10AT Command MSG Bits (S register 22)16Size: 816 KBPages: 165Language: EnglishOpen manual