Paradyne 3550 user manual

User manual for the device Paradyne 3550

Device: Paradyne 3550
Category: Modem
Manufacturer: Paradyne
Size: 0.29 MB
Added : 8/3/2013
Number of pages: 27
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Abstracts of contents
Summary of the content on the page No. 1

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

Summary of the content on the page No. 2

Copyright  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. N

Summary of the content on the page No. 3

TM 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. It also helps us maintain competitive prices for our products. Complete documentation for this product is available at www.paradyne.com. Select Library

Summary of the content on the page No. 4

COMSPHERE 3550 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. Table 1 shows the DSU’s settings.  Procedure 1. With your thumbs under the edge of the front bezel, firmly press upward to lift the bezel from the tabs securing it in place. 2. Swing the f

Summary of the content on the page No. 5

Table 1. Model 3550 DSU Switch Settings Switch Position Switch Setting Function ON Permissive V.32 DBM transmit output level (default) of –9 dBm S1 S1-1 1 Off Programmable V.32 DBM transmit level between –12 dBm and 0 dBm ON Frame ground (FG) connected to signal ground (SG) S1 2 S1-2 Off FG connected to SG through 100 ohm (default) resistor ON is to the rear as you face the front of the DSU. Off is to the front. 3

Summary of the content on the page No. 6

Installing the Model 3550 DSU Before installing the DSU, label the circuit breaker that protects the ac wall outlet, and make sure that it is set to ON. Then, proceed with the installation.  Procedure 1. Place the DSU in its planned location. Make sure the ventilation slots are not blocked. 2. At the rear of the DSU, insert the ac transformer’s circular plug into the interface labeled POWER. 3. Plug the ac transformer’s 3-prong plug into the ac wall outlet. ! WARNING: Only use the power transfo

Summary of the content on the page No. 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.  Procedure 1. Plug the 4-pin modular plug of the 3600 Hubbing Device into the DSU jack labeled CC/DC. 2. Plug one end of an M6BJ cable into the hubbing device jack labeled CC IN/DC OUT. 3. Plug the other end of the 8-pin M6BJ cable into the 8-pin end of the 87

Summary of the content on the page No. 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. — Permissive service – telephone cord with 6-pin modular RJ11C plug — Programmable service – telephone cord with 8-pin RJ45S plug 2. Plug the other end of the cable into the modular jack provided by the telephone company, USOC RJ11C (permissive) or USOC RJ45S (programmable). 3. I

Summary of the content on the page No. 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. Follow these steps.  Procedure 1. Plug the DDS network interface cable into the DSU jack labeled LINE. — U.S. – select either end of the cable — Canada – se

Summary of the content on the page No. 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. The TDM/Flex provides an additional interface to be used as Port 2. This is a D-type connector. If the port is to operate at a speed greater than 19.2 kbps, use the V.35 adapter to provide an interface be

Summary of the content on the page No. 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. 2. Connect the 25-pin plug end of the V.35 adapter (Feature Number 3000-F1-510) to Port 2. Tighten the thumbscrews. 3. Connect the plug end of the 34-pin V.35 DTE cable to the other end of the V.35 adapter. Tighten the holdi

Summary of the content on the page No. 12

Table 2. Model 3551 DSU Switch Settings Switch Switch Position Setting Function ON Permissive V.32 DBM transmit output level of –9 dBm (default) S1 S1-1 1 Off Programmable V.32 DBM transmit level between –12 dBm and 0 dBm ON Frame ground (FG) connected to signal ground (SG) S1-2 Off FG connected to SG through 100 ohm resistor (default) ON is to the rear as you face the front of the DSU. Off is to the front. 10

Summary of the content on the page No. 13

Table 3. Model 3551 DSU Jumper Straps State of Strap Jumper Designation Strap Function J12 Left 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). J13 Left EIA-232-D Test Mode Indication: Left — Enables EIA-232-D Test Mode Indication (Pins 1 and 2). This is the factory default. Right — Disables EIA-232-D Test Mode Indication (Pins 2 and 3). J20 Left Alarm Monitoring (used w

Summary of the content on the page No. 14

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.  Procedure 1. At the rear of the carrier, set the tab on the rear connector plate into one of the slotted grooves on the carrier’s backplane. Loosely fasten the screws. Make sure the rear co

Summary of the content on the page No. 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. Press the faceplate latch to secure the DSU into the carrier, rotate the circuit pack lock into the closed position

Summary of the content on the page No. 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. To connect a V.35 adapter to the 25-pin V.35 connector, perform the following steps: — Connect the 25-pin end of the V.35 adapter to the bottom DTE connector of the rear connector plate. T

Summary of the content on the page No. 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. For connection of the DSU, or for pin assignments, see the User’s Guide. Connecting the Model 3551 DSU to the Dial Network (PSTN) Connection to the dial network (or public swi

Summary of the content on the page No. 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: 1:01 A 1:0 2 A F1 F2 F3 The cursor is usually positioned under the second position of the slot number (1:01 ). In this example, the first line shows: 1 indicates Carrier 1 (Carr) 01 indicates the DSU in Slot 1 A is reserved for futur

Summary of the content on the page No. 19

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. — The numbers 191 and 255 cannot be assigned to a DSU that has a DBM. However, addresses can be assigned in any order; they do not have to be sequential. It is recommended that only odd-numbered addresses be assigned to DSUs s

Summary of the content on the page No. 20

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).  Displays the results of each test momentarily as Pass, Fail, or Abrt. (Abrt indicates that the Device Test was aborted because a network loopback was in progress during the power-up


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