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921A
Bell System 921A Manuals
Manuals and User Guides for Bell System 921A. We have
2
Bell System 921A manuals available for free PDF download: Description And Operation, Maintenance Manual
Bell System 921A Description And Operation (77 pages)
DATA TEST SET
Brand:
Bell System
| Category:
Test Equipment
| Size: 8 MB
Table of Contents
Table of Contents
1
Physical Description
4
Utility Displays
9
Utility Routines
9
Line Operations
9
Programmable
9
DDS Codes
9
Start-Up
9
Functional Description
13
Human Interface
13
Control Keys
17
Special Function Keys
18
Measurement Hardware
21
Description of Dts Operation and
25
Purpose
25
Operations
25
Clock
38
Connections
39
Generator and Error Tests
39
Tests
39
Test
48
Standard Messages
57
Inquiry Response
62
Test (IR SW)
66
Test (IR CONT)
66
Distortion Tests
69
Data Services Tests
71
Self-Tests
72
Applications of Tests
73
Loopback Line Tests
73
Start-Up Monitoring
74
Loopback Start-Up
74
Isochronous Distortion
75
Full Duplex Start-Stop Distortion Test
75
Preprogrammed Terminal Test
75
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Bell System 921A Maintenance Manual (15 pages)
DATA TEST SET
Brand:
Bell System
| Category:
Test Equipment
| Size: 4 MB
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