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AT&T 202T Manuals
Manuals and User Guides for AT&T 202T. We have
1
AT&T 202T manual available for free PDF download: User Manual
AT&T 202T User Manual (44 pages)
Brand:
AT&T
| Category:
Modem
| Size: 2 MB
Table of Contents
Table of Contents
5
Introduction
7
How to Use this Manual
7
Description
8
Functional Description
8
Features of the 202T Modem
8
Physical Desc:I;Iption
8
47B1 Data Mounting
9
Figure 1. 202T Modem Front View
9
40B1 Data Mounting
10
202T Modem Lights
10
Figure 2. 202T Modem Rear View
10
202T Modem Switches
11
Installation Preparation
12
Power
12
Tools Required
12
Environmental Requirements
12
Cabling
13
Cabinets
13
Figure 3. Data Cabinet
14
The 202T Modem Options
15
Figure 4. Location of Option Switches
15
Table a 202T Modem Options
16
TABLE B. Recommended Options for 2-Wire Private Line and 4-Wire Private Line with Talk-Back Using the 202T Series Modem
18
Installation Procedures
23
Installing 202T Modem Options
23
4-Wire Modem Terminated by a 42A Connecting Block
24
4-Wire Modem Terminated by a 549A Jack
25
Figure 5. 4-Wire Modem Terminated by a 42A Connecting Block
25
4-Wire Modem on 4-Wire Private Line with the 829 Network Interface Data Only
27
Figure 6. 4-Wire Modem Terminated by a 549A Jack
27
4-Wire Modem Connected to Locally Engineered Private Line Termination Without the 829 Network Interfaces
29
Termination
30
Figure 8. 4-Wire Modem Connected to Locally Engineered Private Line Termination
30
Multiple Modem Installation
32
Figure 9. 2-Wire Modem Connected to Locally Engineered Private Line Termination
32
Figure 10. Block Diagram of 30-Inch Data Cabinet Equipped with Eight Modems
34
Testing Procedures
35
Local Self-Test
35
Analog Loopback Test
35
Remote Test (4-Wire Operation)
35
Remote Test (2-Wire Operation)
36
Service Information
37
Defective Units
37
Appendix
38
TABLE D. DTE Interface
39
TABLE E. Private Line Interface
40
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