Paradyne 3550, 3551 Installing the Model 3550 DSU

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 transformer designed for the Model 3550 DSU. Using

other transformers may result in personal injury or damage to the equipment.

EIA-232-D/V.24

Interface

V.35 Interface

NMS Jack

DBM Jack

DDS Jack

Low Voltage

AC Power In

99-16243

Tabletop

AC Transformer

Contents

Main Copyright 1999 Paradyne Corporation. All rights reserved. Printed in U.S.A. Notice Warranty, Sales, Service, and Training Information Service & Support Warranty Registration Document Feedback COMSPHERE 3550 SERIES DATA SERVICE UNITS MODELS 3550 AND 3551 Quick Reference Document Number 3550-A2-GL10-10 March 1999 Warranty Registration Service & Support Important Safety Instructions Changing the Model 3550 DSU Hardware Straps Table 1. Model 3550 DSU Switch Settings Installing the Model 3550 DSU Connecting the Model 3550 DSU to the NMS NMS NETWORK CONNECTION Connecting the Model 3550 DSU to the Dial Network (PSTN) Connecting the Model 3550 DSU to the DDS (or LADS) Network NOTE: No Signal Connecting the Model 3550 DSU to a DTE Connecting the Model 3550 DSUs Port 2 General Configuration Options Changing the Model 3551 DSU Hardware Straps Table 2. Model 3551 DSU Switch Settings Table 3. Model 3551 DSU Jumper Straps Installing the Model 3551 DSU Page 25-Pin Connector V.35 Adapter V.35 Cable Thumbscrews . Connecting the Model 3551 DSU to the NMS COMSPHERE 3000 Series Carrier Installation Manual Connecting the Model 3551 DSU to the Dial Network (PSTN) COMSPHERE 3000 Series Carrier Installation Manual Connecting the Model 3551 DSU to the DDS (or LADS) Network To Connect the SDCP to a DSU Carr:Slot: 1: 01 A 1:0 2A 1:01 A DSU 9.6 C Local Remot Msg Addressing the Unit NOTES: . Power-Up Routine " Run Test on Save to Load from Configuration Options Page Page Page !Important Safety Instructions Notices Government Requirements Notice to Users of the Digital Data Service Warranty, Sales, Service and Training Information Interface Code Data Rate Technical Specifications (bps)