xvi Issue 1 December 1997
Contents
Timing Circuitry 7-28
Protection Circuitry 7-28
Fault Detection Circuitry 7-29
Power Circuitry 7-29
BBG11 3DS3 Hardware Settings 7-30
BBG11 3DS3 Quick Reference Summary 7-31
Transmit Functions 7-31
Receive Functions 7-31
Control Functions 7-31
Maintenance Signal Functions 7-31
BBG11B 3DS3 Circuit Pack Description 7-32
Purpose of Circuit 7-32
BBG11B 3DS3 Faceplate Indicators 7-32
General Description of Operation 7-33
Detailed Description of Operation 7-33
Transmission Circuitry 7-33
Control Circuitry 7-35
Timing Circuitry 7-35
Protection Circuitry 7-35
Fault Detection Circuitry 7-36
Loopbacks 7-36
Performance Monitoring 7-36
Power Circuitry 7-37
BBG11B 3DS3 Hardware Settings 7-37
BBG11B 3DS3 Quick Reference Summary 7-38
Transmit Functions 7-38
Receive Functions 7-38
Control Functions 7-38
Maintenance Signal Functions 7-39
BBG12 3STS1E Circuit Pack Description 7-40
Purpose of Circuit 7-40
BBG12 3STS1E Faceplate Indicators 7-40
General Description of Operation 7-41
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