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Contents
Setting Transmit N X 64 kb/s
(N X 56 kb/s) Structured Payload/Test Signal 48
Setting Receive N X 64 kb/s (N X 56 kb/s) Structured Payload/Test
Signal 50
Inserting an External PDH Payload/Test Signal 52
Dropping an External Payload/Test Signal 54
Selecting ATM Cell Stream Payload 56
Selecting ATM Cell Stream Timing Distribution 57
Selecting ATM Cell Stream Headers and Interface 58
Adding Errors & Alarms at the SONET Interface 59
Adding Errors & Alarms to the PDH Interface/PDH Payload 60
Using FEAC Codes in the HP 37717C 62
Adding ATM Errors and Alarms 65
Setting PDH Spare Bits 66
Adding Pointer Adjustments 67
T1.105/GR-253 Pointer Sequences Explained 69
Using Pointer Graph Test Function 75
Stressing Optical Clock Recovery Circuits 77
Generating Automatic Protection Switch Messages 78
Inserting & Dropping Data Communications Channel 79
3 Making Measurements
Using Overhead BER Test Function 82
Test Timing 83
Making SONET Analysis Measurements 84
Making PDH Analysis Measurements 85
Measuring Jitter 87
Measuring Wander 89
Measuring Frequency 91
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