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Paradyne Comsphere 3550 Series Quick Reference Manual

Data service units
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Download this manual See also: User Manual, Instruction and Installation Manual
COMSPHERE
3550 SERIES
DATA SERVICE UNITS
MODELS 3550 AND 3551
QUICK REFERENCE
Document No. 3550-A2-GL10-10

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Summary of Contents for Paradyne Comsphere 3550 Series

  • Page 1 COMSPHERE 3550 SERIES DATA SERVICE UNITS MODELS 3550 AND 3551 QUICK REFERENCE Document No. 3550-A2-GL10-10...

  • Page 2: Warranty, Sales, Service, And Training Information

    Copyright E 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.

  • Page 3: Quick Reference

    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.
  • Page 4 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.
  • Page 5 Table 1. Model 3550 DSU Switch Settings Switch Position Switch Setting S1 1 S1-1 S1 2 S1-2 ON is to the rear as you face the front of the DSU. Off is to the front. Permissive V.32 DBM transmit output level (default) of –9 dBm...

  • Page 6: Installing The Model 3550 Dsu

    POWER. 3. Plug the ac transformer’s 3-prong plug into the ac wall outlet. WARNING: Only use the power transformer designed for the Model 3550 DSU. Using other transformers may result in personal injury or damage to the equipment. Low Voltage...
  • Page 7 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.
  • Page 8 Connecting the Model 3550 DSU to the Dial Network (PSTN) If your DSU is equipped with a V.32 DBM, follow these steps. " Procedure 1. Plug either end of the dial (analog) interface cable into the DSU jack labeled BACKUP.
  • Page 9 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.
  • Page 10 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.
  • Page 11 Connecting the Model 3550 DSU’s Port 2 For the EIA-232 cable, install as described above. For the V.35 cable, install the V.35 adapter, then the V.35 DTE cable as follows. " Procedure 1. Reconfigure the port for a V.35 interface. See General Configuration Options on page 21.
  • Page 12 Table 2. Model 3551 DSU Switch Settings Switch Switch Position Setting (default) S1-1 S1 1 S1-2 (default) ON is to the rear as you face the front of the DSU. Off is to the front. Function Permissive V.32 DBM transmit output level of –9 dBm Programmable V.32 DBM transmit level between –12 dBm and 0 dBm Frame ground (FG) connected to signal ground (SG)
  • Page 13 Table 3. Model 3551 DSU Jumper Straps State of Strap Jumper Designation Strap Left Left Left Right 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).

  • Page 14: Installing The Model 3551 Dsu

    Installing the Model 3551 DSU The initial installation procedure for the Model 3551 DSU requires the installation of a rear connector 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.
  • Page 15 5. At the front of the carrier, hold the DSU vertically with the latch on its faceplate in the open position. Then, insert 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.
  • Page 16 7. At the rear of the carrier, connect the appropriate DTE interface cable (EIA-232-D 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.
  • Page 17 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.
  • Page 18 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. " Procedure 1. Press the Select key. A screen similar to the following appears. Carr:Slot: The cursor is usually positioned under the second position of the slot number (1: 0 1 ).

  • Page 19: Addressing The Unit

    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.

  • Page 20: Power-Up Routine

    Power-Up Routine When power is 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).

  • Page 21: Configuration Options

    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: These configuration options do not appear when Full mode is disabled using Menu from the Configuration branch.
  • Page 22 Diagnostic General Configuration Options Position LinkConfg Resp Period TribTimOut Link Delay Packet Delay M-PtSymPrt Configuration Options Rate(Kbps) PrtSp(Kbps) TxClkSource CarrLossDisc Auto Retrain Single Rate AutoAnswer TxElasStor RxElasStor Call Setup RxPwd TxPwd V.13 Signl Dial Test DtrCallCon External DBU Configuration Options ExtBU Rate(Kbps) TxClkSource...
  • Page 23 General Configuration Options DTE Port RTS Cntrl CTS Cntrl AntiStream LSD Lead DSR FrcOn SystemStat DSR on Tst Circ Assur RespondRDL LL by DTE RL by DTE Bilat Lpbk Ext Leads CCN by EL DTR Alarm Async Sync AsyncBit/Char Stop Bits Overspeed Backup Configuration Options...
  • Page 24 MUX Port Configuration Options DTE Port Async Sync Async Rate AsyncBit/Char Stop Bits Overspeed RTS Cntrl TxCarrSel RxCarrSel PCC Buffer Elast Stor RTS/CTS Del DTR Alarm AntiStream DSR FrcOn DSR on Tst Port Speed (DSU) Configuration Options Prt1 (9.6) Prt2 (9.6) Underspeed Port Speed (DBM) Configuration Options...

  • Page 25: Important Safety Instructions

    Important Safety Instructions 1. Read and follow all warning notices and instructions marked on the product or included in the manual. 2. 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.

  • Page 26: Government Requirements

    Notices 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.
  • Page 27 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 must specify the number of data lines you require. Refer to Technical Specifications in the User’s Guide for V.32 DBM jack information.

This manual is also suitable for:

Comsphere 3551

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