Telenetics 3512 Quick Start Manual
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Telenetics 3512 Quick Start Manual

Dsu/csu
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T R /
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3512 DSU/CSU Quick Start

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  • Page 1 Telenetics T R / 3512 DSU/CSU Quick Start...
  • Page 2 Notice ©2001 Telenetics Corporation 25111 Arctic Ocean Lake Forest, California 92630 (949) 455-4000 All rights reserved Printed in U.S.A. Restricted Rights Notification for U.S. Government Users The software (including firmware) addressed in this manual is provided to the U.S. Government under agreement which grants the government the minimum “restricted rights”...
  • Page 3 Changes or modifications not expressly approved by Telenetics could void the user's author- ity to operate the equipment. This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus set out in the radio interference regulations of the Canadian Department of Communications.

  • Page 5: Table Of Contents

    Contents Chapter 1, Installation Unpacking the 3512 ..................FCC and Telephone Company Equipment, Procedures, and Requirements Installing the Standalone 3512 ..............Chapter 2, Verifying Line Quality Verifying Line Quality .................. Chapter 3, Configuring Applications 3512 System Application Examples ............. Configuration Method ................
  • Page 6 Contents (continued)
  • Page 7 Overview This guide enables you to install, test, configure, and start up your 3512 DSU/CSU with a minimum of documentation and detail. It presents examples of commonly- used 3512 applications and the parameter options they require. To set up other applications, refer to the 3512 DSU/CSU User’s Manual.
  • Page 8 About This Manual (continued) viii...
  • Page 9 Telenetics Information Systems Group Customer Information U.S. customers who have questions about Telenetics products or services should refer to the following list. Non-U.S. customers should contact their local Telenetics subsidiary office or distributor. Questions about Your Product Shipment If you have questions about whether your shipment is complete or about its condition upon receipt, please call Telenetics at (949) 455-4000.
  • Page 10 To Order Additional Telenetics User Documentation If you would like to order additional copies of Telenetics user documentation, call (949) 455-4000.
  • Page 11 Chapter 1 Installation Contents Unpacking the 3512 ..................FCC and Telephone Company Equipment, Procedures, and Requirements Installing the Standalone 3512 ..............Installation 1-1...

  • Page 12: Unpacking The 3512

    Unpacking the 3512 Every ordered standalone 3512 DSU/CSU includes the following components: • 1-, 2- or 4-port 3512 unit, or 3-port 3512 SDC unit • Data cable with ferrite bead or cylinder • Power cord with wall-mount transformer • 3512 DSU/CSU Reference Card or 3512 DSU/CSU SDC Reference Card •...

  • Page 13: Fcc And Telephone Company Equipment, Procedures, And Requirements

    DSU/CSU to telephone company-provided digital services. For information on... Refer to... FCC and telephone company registration The 3512 DSU/CSU User’s Manual, numbers, codes, procedures and requirements Chapter 2 Telephone line cables The 3512 DSU/CSU User’s Manual,...

  • Page 14: Installing The Standalone 3512

    Installing the Standalone 3512 This section provides step-by step installation instructions. You must connect the 3512 to other equipment in the order shown in Figure 1-1, which shows all types of connections. NOTE: Figure 1-1 does not represent an actual configuration.
  • Page 15 3) IMPORTANT: Use the permanently attached cable connector mounting screws to secure cables to Port 1. On a 1-port 3512, connect a DTE cable to a DTE or host computer and to Port 1. On a 2-port 3512, connect: • A DB25-pin DTE cable to a DTE or host computer and to Port 1.
  • Page 16 System 3512 DSU/CSU Figure 1-2. Multiple Devices in a Daisy Chain Connection to NMS 5) Plug in the power cord to the 3512 and the power source. The 3512 automatically runs its self-test. 6) View the self-test results: • If the 3512 is working properly, the default message displays.
  • Page 17 Chapter 2 Verifying Line Quality Contents Verifying Line Quality .................. Verifying Line Quality 2-1...

  • Page 18: Verifying Line Quality

    3512 DSU/CSU User’s Manual, 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):...
  • Page 19 BER Pass Report the problem to the telephone company BER ERRORS=000 BER Fail Contact Telenetics BER ERRORS=x [where x equals the number of errors, up to 255] When the lines are verified, configure your application, as described next. Verifying Line Quality 2-3...
  • Page 20 2-4 Verifying Line Quality...
  • Page 21 Chapter 3 Configuring Applications Contents 3512 System Application Examples ............. Configuration Method ................Primary Applications ................Single-Channel Point-to-Point Circuit (No Network Management) ... Point-to-Point and Multipoint Circuits (Bitstealing for Network Management) ........... Point-to-Point and Multipoint Circuits (Multiplexing for Network Management) ........

  • Page 22: 3512 System Application Examples

    External restoral circuit through 326XFAST Series modems Mixed integral/external restoral circuit with switched Digital Data Service 3-8 Configuration Method Follow these steps to configure your 3512: 1) Complete the procedures in Chapters 1 and 2 of this guide. 2) On the MODIFY main menu, CONFIGURATIONS category, set Factory=Yes, to set all parameters to the default values.

  • Page 23: Primary Applications

    Unit A Unit B Primary Line Figure 3-1. Single-Channel Point-to-Point DDS-I Circuit, Normal Mode Parameters not specified below may be set to factory default options. Category Parameter 3512 Unit A 3512 Unit B MODIFY DSU Data Rate 56.0 56.0 MODIFY PORT...

  • Page 24: Point-To-Point And Multipoint Circuits (Bitstealing For Network Management)

    56.0 kbps, the DTE port is allocated 55.2 kbps; framing and control data use the remaining bandwidth. Most synchronous DTEs and devices, such as Telenetics/Motorola statistical multiplexers, can operate at these nonstandard port rates. In this configuration, the 3512s provide a non-interruptive control channel sim- ilar to that of DDS-II SC type service.

  • Page 25: Point-To-Point And Multipoint Circuits (Multiplexing For Network Management)

    19.2 kbps 56 kbps Unit A Unit B DDS-I 3512 3512 Primary Channel Secondary Channel Telenetics/Motorola NMS (A) Point-to-Point Derived Secondary Channel Circuit, 3512 in Muxed Mode 9.6 kbps Unit A DDS-I 56 kbps 3512 Slave B Slave C 3512 3512...

  • Page 26: Multiple-Channel Multipoint Circuit With Mp-Mux

    • P, a multipoint application extending to Remote Sites 1 and 2, uses Channel 1 — At Site 1, DTEs on Ports 1 and 2 share Channel 1 — At Site 2, a DTE is on 3512 Port 3 • Q, a point-to-point application extending to Remote Site 1, uses Channel 2 •...

  • Page 27: Point-To-Point Circuit With Data Compression Between Routers

    Any synchronous HDLC point-to-point data application is a candidate for SDC; for example, the Telenetics/Motorola 6500 Series data concentrator offers an ideal application for SDC over DDS links. Such a configuration allows applica- tions that require fractional T1 throughput of up to 256 kbps to operate over much less-expensive standard 56 kbps DDS leased lines.

  • Page 28: Alternate (Restoral) Applications

    Alternate (Restoral) Applications Integral Single-Line Restoral (SLR) Circuit A point-to-point digital circuit with integral SLR in a standalone 3512 is shown in Figure 3-6. Normal operation is over the 56 kbps circuit; SLR uses a 14.4 kbps dial line. An NMS and a NetView manage the system over a secondary channel.

  • Page 29: External Restoral Circuit Through 326Xfast Modems

    • Restoral is initiated and terminated manually at a data rate of 24.0 kbps 56 kbps 56 kbps 56 kbps Unit A Unit B DDS-I Local Remote 3512 3512 24 kbps 24 kbps PSTN 326x FAST 326x FAST Primary Line...

  • Page 30: Mixed Integral/External Restoral Circuit With Switched Digital Data Service

    (SW 56) service at one end and A/B restoral at the other. Normal operation is over a leased circuit. A 3512 with the SW 56 feature can initiate or receive a call from the remote SW 56 device to restore a broken connection. NOTE: The SW 56 device may run on either a 2-wire or 4-wire service.
  • Page 31 Index Numerics NC Connector standalon e1-6 NetView 3-8 6500 Series devices 3-7 Network management and configuration 3-2 NMS connection 1-6 Application example MP-Mux, mixed TDM - channel sharing 3-6 Muxed mode and derived secondary channel 3- Preventing lightning damag e1-2 point-to-point and multipoint circuits using Bitstealing 3-4 RFI requirements and ferrite cylinder 1-5...

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