Wavetek ANT-20 Operating Manual page 4

Advanced network tester
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STM-1 mapping
2
ii
1.8
(1.5 Mbit/s in STM-1, AU-3/AU-4, TU-11/TU-12) . . . . . . . . S-24
1.8.1
VC-11 Path Overhead contents . . . . . . . . . . . . . . . . . . . . . S-26
1.8.2
VC-11 error insertion (anomalies). . . . . . . . . . . . . . . . . . . . S-26
1.8.3
VC-11 alarm generation (defects). . . . . . . . . . . . . . . . . . . . S-27
1.8.4
VC-11 error measurements (anomalies). . . . . . . . . . . . . . . S-27
1.8.5
VC-11 alarm detection (defects) . . . . . . . . . . . . . . . . . . . . . S-28
1.8.6
VC-11 Path Overhead evaluation . . . . . . . . . . . . . . . . . . . . S-28
1.9
C-2 mapping (6.3 Mbit/s in STM-1, AU-3/AU-4, TU-2) . . . . S-29
1.9.1
VC-2 Path Overhead contents . . . . . . . . . . . . . . . . . . . . . . S-30
1.9.2
VC-2 error insertion (anomalies). . . . . . . . . . . . . . . . . . . . . S-30
1.9.3
VC-2 alarm generation (defects). . . . . . . . . . . . . . . . . . . . . S-31
1.9.4
VC-2 error measurements (anomalies). . . . . . . . . . . . . . . . S-31
1.9.5
VC-2 alarm detection (defects) . . . . . . . . . . . . . . . . . . . . . . S-32
1.9.6
VC-2 Path Overhead evaluation . . . . . . . . . . . . . . . . . . . . . S-32
1.10
Filler channel contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-32
2.1
Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-33
2.1.1
Clock generator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-34
2.1.2
Overhead generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-35
2.1.3
Anomaly insertion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-35
2.1.4
Defect generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-35
2.1.5
Pointer generation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-35
2.1.6
Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-35
2.2
Signal outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-36
2.2.1
AUXILIARY signal output [11], electrical. . . . . . . . . . . . . . . S-36
2.2.2
2.3
Signal inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-37
2.3.1
AUXILIARY signal input [10], electrical. . . . . . . . . . . . . . . . S-37
2.3.2
ANT-20/ANT-20E

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