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ISU 2x64
Dual Port ISDN Service Unit
User Manual
Part Numbers
1200051L1 U-Interface Version, 110 VAC
1200051L2 S/T-Interface Version, 110 VAC
1200051L5 S/T-Interface International, 110 VAC
1200051L6 S/T-Interface International, 230 VAC
61200051L1-1D
June 1998
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Trademarks: Ascend is a registered trademark of Ascend Communications, Inc. ISU is a trademark of ADTRAN, Incorporated. Macintosh is a registered trademark of Apple Computer, Inc. Teleos is a registered trademark of Teleos Communications, Inc. Windows is a registered trademark of Microsoft corporation. 5ESS is a registered trademark of AT&T. DMS-100 is a trademark of Northern Telecom. 901 Explorer Boulevard P.O. Box 140000 Huntsville, AL 35814-4000 Phone: (256) 963-8000 © 1998 ADTRAN, Inc.
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FCC regulations require that the following information be provided in this manual: 1. This equipment complies with Part 68 of the FCC rules. On the bottom of the equipment housing is a label that shows the FCC registration number and Ringer Equivalence Number (REN) for this equipment. If requested, provide this informa- tion to the telephone company. 2. If this equipment causes harm to the telephone network, the telephone company may temporarily discontinue service. If possible, advan
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FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT 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
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CANADIAN EMISSIONS REQUIREMENTS This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus as set out in the interference-causing equipment standard entitled "Digital Appara- tus," ICES-003 of the Department of Communications. Cet appareil numerique respecte les limites de bruits radioelectriques applicables aux appareils numeriques de Class A prescrites dans la norme sur le materiel brouilleur: "Appareils Numer- iques," NMB-003 edictee par le
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CANADIAN EQUIPMENT LIMITATIONS Notice: The Canadian Industry and Science Canada label identifies certified equipment. This certification means that the equipment meets certain telecommunications network protective, operational, and safety requirements. The Department does not guarantee the equipment will operate to the user’s satisfaction. Before installing this equipment, ensure that it is permissible to be connected to the facilities of the local telecommunications company. The equip
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Table of Contents Chapter 1. Understanding ISDN and the ISU 2x64 ...................................................... 1 ISDN Overview ..................................................................................................................... 1 The ADTRAN ISU 2x64........................................................................................................ 1 ISU 2x64 Interoperability .............................................................................
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Table of Contents Software Version ............................................................................................................ 26 Loopback Both DTEs ..................................................................................................... 26 Test 2047 Both ................................................................................................................. 26 Chapter 6. Configuration ................................................................
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Table of Contents DSR Options .......................................................................................................... 52 Flow Control (asynchronous data format)........................................................ 52 Data Format (asynchronous)............................................................................... 53 Transmit Clock (synchronous data format)...................................................... 53 Autobaud ....................................
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Table of Contents Chapter 9. Security and Remote Configuration ..........................................................73 Security ................................................................................................................................. 73 Set Password ................................................................................................................... 74 Lock Keypad ..............................................................................
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List of Figures Figure 1-1: ISU 2x64 Rear Panel .................................................................................. 2 Figure 1-2: ISU 2x64 Front Panel................................................................................. 4 Figure 1-3: ISU 2x64 Interoperability ......................................................................... 5 Figure 3-1: VT 100 Maintenance Help Screen ......................................................... 15 Figure 4-1: Current Status
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List of Figures Figure 6-20: Transmit Clock Menu Tree..................................................................... 54 Figure 6-21: Protocol Menu Tree ................................................................................. 55 Figure 6-22: Protocol BONDING, Mode 1 Menu Tree............................................. 57 Figure 6-23: PPP Menu Tree........................................................................................ 61 Figure 7-1: VT 100 Dial Options Screen
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List of Tables Table 1-A: DTE Indicators ....................................................................................... 3 Table 1-B: Recommended Operating Modes ....................................................... 7 Table 6-A: Rate Adaptation Protocols ................................................................... 60 Table 10-A: Troubleshooting Calls........................................................................... 84 Table E-A: EIA-232 Interface ..................
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List of Tables viii ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D
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Chapter 1 Understanding ISDN and the ISU 2x64 ISDN OVERVIEW The Integrated Services Digital Network (ISDN) is a public or pri- vate switched digital network. ISDN is an international standard for digital communications, allowing a full range of enhanced ser- vices supporting voice, data, and image applications through standard interfaces over a single pair of telephone wires. ISDN provides a means of integrating these services and modernizing communication networks for information
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Chapter 1.Understanding ISDN and the ISU 2x64 The ISU 2x64 features two RS-530/EIA-232 DTE interfaces and two RS-366 dial interfaces (see Figure 1-1). An RS-530/EIA-232- to-V.35 adapter is available to support V.35 DTE interfaces. Syn- chronous data transfer rates from 2400 bps to 128 kbps and asyn- chronous rates from 1200 bps to 115.2 kbps are supported on a single DTE interface. Synchronous data transfer rates from 2400 bps to 64 kbps and asynchronous rates from 1200 bps to 57.6
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Chapter 1. Understanding ISDN and the ISU 2x64 The ISU 2x64 allows the user to migrate ISDN into existing net- work services and data communications equipment. The ISU 2x64 interoperates with ISU 128s, Switched 56 DSUs, various ISDN terminal adapters, and BONDING inverse multiplexers (for example ASCEND®, PROMPTUS, and Teleos®). For instance, in a video conferencing application, this compatibility allows the ISU 2x64 to interoperate with networks utilizing two Switched 56 DSUs.
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Chapter 1.Understanding ISDN and the ISU 2x64 ISU 2X64 ENTER 123 456 789 RS CS TD RD CD TR SR 0 CANCEL # * Figure 1-2 ISU 2x64 Front Panel ISU 2X64 INTEROPERABILITY Telephone networks are evolving from analog technologies to digital technologies such as ISDN. This transition is time-consum- ing and costly for the telephone companies and upgrading all lo- cations and facilities is a lengthy process. The ISU 2x64 bridges this transition by supporting communica- tions with existing an
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Chapter 1. Understanding ISDN and the ISU 2x64 61200051L1-1D ISU 2x64 Dual Port ISDN Service Unit User Manual 5 ISU ENTER 123 456 RS CS TD RD LD TR SR 789 CANCEL #0 * DSU DSU ENTER 123 ENTER 123 456 456 789 789 RS CS TD RD LD TR SR RS CS TD RD LD TR SR CANCEL #0 CANCEL #0 * * ISU ENTER 123 456 789 RS CS TD RD LD TR SR CANCEL #0 * Figure 1-3 ISU 2x64 Interoperability
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Chapter 1.Understanding ISDN and the ISU 2x64 When the ISU 2x64 is used on an existing ISDN line that is not multipoint, with one SPID or no SPID numbers, additional con- siderations should be addressed. If DTE specific operation is desired, the ISDN line must be converted to multipoint operation (2 SPIDS). If not, the following applies: 1. If a single SPID is assigned, it must be entered under SPID DTE#2. 2. When no calls are active, the first incoming call is always di-
