Tellabs 251 Manuals

Manuals and User Guides for Tellabs 251. We have 1 Tellabs 251 manual available for free PDF download: Manual

Tellabs 251 Manual

Tellabs 251 Manual (31 pages)

24-Channel Digital Echo Canceller System

Brand: Tellabs | Category: Network Hardware | Size: 1 MB

Table of Contents

Table of Contents
1
General Description
1
Application
4
General
4
Network Interface
4
System Control
5
Remote Control/Status Interface
6
Automatic Self-Test
7
Alarms
8
Central Office Equalizers
9
Inspection
9
Mounting of 251 Assembly
9
Tone Disabler Option
9
- Installation
  9
Installer Connections (General)
10
Input-Power Connections
12
Alarm Connections
14
Facility (Signal) Connections
14
Facility (Signal) Connections Via Optional Twinax Connector Panels
15
Remote Control/Status Interface Connections (General)
15
Initial Power-On Sequence
17
Module Insertion
17
Remote Control/Status Interface Connection of Multiple 251 Systems
17
Self-Test Checkout
18
- Local System Control
  18
System Operating Parameters
18
Channel Operating Parameters
20
- Remote System Control
  20
Remote Interface Protocol
20
Remote Control Commands
21
Command Examples
22
- System Circuit Description
  22
- Specifications
  29
- Testing and Troubleshooting
  30

Advertisement

Advertisement

Related Products

Tellabs Categories

Network Hardware Control Unit

Switch

Switch Touch terminals

Network Router

More Tellabs Manuals