AT&T 3551 - Manual

AT&T 3551

AT&T 3551 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – User’s Guide; dyn
  • Page 3 – COPYRIGHT
  • Page 4 – Important Safety Instructions
  • Page 5 – Notices
  • Page 6 – Government Requirements; Notice to Users of the Digital Data Service; DDS
  • Page 8 – Table of Contents; Preface; About Your DSU
  • Page 9 – Operating the DSU
  • Page 10 – List of Figures; Figure
  • Page 11 – List of Tables; Table
  • Page 14 – About This Guide
  • Page 15 – Related Documents; Ordering Information; Reference Documents
  • Page 16 – Overview; Standard Features
  • Page 17 – NOTE; Optional Features
  • Page 18 – Upgrades Available; Technical Specifications
  • Page 19 – General Technical Specifications
  • Page 21 – DSU Technical Specifications
  • Page 22 – V.32 DBM Technical Specifications
  • Page 23 – Specifications; Equipment Service
  • Page 24 – Out of Warranty; Enhanced Support Services
  • Page 26 – Installing the Model 3550 DSU; Before You Begin
  • Page 27 – CAUTION
  • Page 28 – Model 3550 DSU Switch Settings
  • Page 29 – Where to Place the DSU; Procedure
  • Page 30 – Connecting to the Network
  • Page 31 – Connecting to the NMS
  • Page 33 – LADS Connection Distances; Addressing the Unit
  • Page 34 – Tributary DSU Addressing
  • Page 35 – Connecting the DSU to a DTE
  • Page 36 – Connecting Port 2; Verifying Network Addresses; Verifying the Network
  • Page 37 – Verifying DBM Operation; Verifying TDM/Flex Operation; Bilateral Loopback
  • Page 38 – Installing the Model 3551 DSU
  • Page 39 – HANDLING PRECAUTIONS
  • Page 40 – Figure 3-1. Model 3551 DSU Switch and Jumper Locations
  • Page 42 – Installing the DSU
  • Page 43 – Figure 3-3. Model 3551 DSU Installation and Circuit Pack Lock
  • Page 48 – To Connect the SDCP to a DSU
  • Page 49 – Other Tests
  • Page 51 – DCP and SDCP Operation; Figure 4-1. Model 3550 Diagnostic Control Panel
  • Page 52 – Figure 4-2. SDCP and Model 3551 DSU Faceplate; Keypad
  • Page 53 – Menu Structure; Health and Status; Device Health and Status
  • Page 54 – Expanded Health and Status; DTE Status; Terminal Power
  • Page 55 – Identity Descriptions; Backup Branch; The Backup (Bckup) branch controls dial backup; Dial Backup Operation; Configuring the Unit for Dial Backup; Call Setup – Set call setup security level:
  • Page 56 – Understanding Operating Modes
  • Page 57 – Manual Backup; Placing a Backup Call
  • Page 58 – Test Branch; Abort; Loopback; Local Loopback
  • Page 59 – DTE Loopback; Digital Test
  • Page 60 – Bit Error Rate Test
  • Page 61 – Bit Error Rate Test Results; Lamp Test; Configuration Branch; Selecting Menu Mode
  • Page 62 – Selecting an Application Configuration; MPTC – Multipoint control DSU.
  • Page 63 – Configuration Options; Reconfiguring a DSU Port; Reconfiguring a TDM/Flex Port
  • Page 64 – Poll List; Displaying the Poll List; Changing the Poll List
  • Page 65 – Acquiring the Poll List
  • Page 66 – Directory; Entering a Telephone Number
  • Page 67 – Directory Entry and Password Characters; Phone; Assigning an Address
  • Page 68 – Control Branch; Transmitter Control; Displaying External Leads
  • Page 69 – Lead States; Reporting External Lead Changes to NMS; Messages Branch
  • Page 70 – Configuring the Unit
  • Page 71 – Editing Configuration Values; Prev appears over the F1 key.
  • Page 72 – Saving Configuration Options; Example Using the DCP
  • Page 74 – Configuration Option Tables; Understanding the Tables
  • Page 75 – DSU Configuration Options
  • Page 79 – Diagnostic (External DBU) Configuration Options
  • Page 80 – Diagnostic (General) Configuration Options
  • Page 81 – DBM Configuration Options
  • Page 85 – External DBU Configuration Options
  • Page 86 – General Configuration Options
  • Page 90 – Backup Configuration Options
  • Page 98 – Port Speed (External DBU) Configuration Options
  • Page 100 – DSU Menu
  • Page 103 – Local branch; Local/Remote Menu Subbranches
  • Page 104 – Configuration Worksheets
  • Page 110 – Status Indicators
  • Page 112 – Control Panel Messages; Format; Health and Status Messages; Device Health and Status Messages
  • Page 115 – Expanded Health and Status Messages
  • Page 116 – Subnetwork Health and Status Messages
  • Page 117 – Progress Messages
  • Page 118 – Error Messages; Command Error Messages
  • Page 119 – Dial Backup Error Messages
  • Page 120 – TDM/Flex Error Messages
  • Page 124 – Pin Assignments
  • Page 130 – V.35 Connector Pin Assignments
  • Page 134 – Application Configurations
  • Page 136 – Multipoint Applications; Figure E-2. Multipoint Application Configurations
  • Page 138 – Equipment List; Equipment
  • Page 140 – Part Number
  • Page 142 – Glossary
  • Page 148 – Index
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COMSPHERE

3550 Series

Data Service Units

Models 3550 and 3551

User’s Guide

Document No. 3550-A2-GB20-10

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Summary

Page 2 - User’s Guide; dyn

February 1995 COMSPHERE 3550 Series Data Service Units Models 3550 and 3551 User’s Guide Document No. 3550-A2-GB20-10 P a r a dyn e Printed on recycled paper

Page 3 - COPYRIGHT

COMSPHERE 3550 Series Data Service Units A February 1995 3550-A2-GB20-10 COMSPHEREModel 3550 and 3551Data Service Units User’s Guide3550-A2-GB20-10 2nd Edition (February 1995) Changes and enhancements to the product and to the information herein will be documented and issued as a new release. A cust...

Page 4 - Important Safety Instructions

Safety Instructions B 3550-A2-GB20-10 February 1995 Important Safety Instructions 1. Read and follow all warning notices and instructions marked on the product orincluded in the manual. 2. This product is intended to be used with a three-wire grounding type plug – a plugwhich has a grounding pin. Th...

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