7-ii Issue 8.0 July 2002
Tab le of Conten ts
Pack Description 7-21
Purpose of Circuit 7-21
Faceplate LED 7-21
General Description of Operation 7-22
Detailed Description of Operation 7-22
Quick Reference Summary 7-25
â– TOHCTL (LAA26) Circuit Pack Description 7-26
Purpose of Circuit 7-26
Faceplate LED 7-26
General Description of Operation 7-27
Detailed Description of Operation 7-27
Quick Reference Summary 7-31
â– OW (LAA14) Circuit Pack Description 7-32
Purpose of Circuit 7-32
Faceplate 7-32
General Description of Operation 7-32
Detailed Description of Operation 7-33
Quick Reference Summary 7-34
Transmission 7-35
â– DS3 (LAA2/LAA2B) Circuit Pack Description 7-35
Purpose of Circuit 7-35
Faceplate LED 7-35
General Description of Operation 7-36
Detailed Description of Operation 7-36
Quick Reference Summary 7-42
â– STS1E (LAA4) Circuit Pack Description 7-44
Purpose of Circuit 7-44
Faceplate LED 7-44
General Description of Operation 7-45
Detailed Description of Operation 7-45
Quick Reference Summary 7-50
â– OC3 (LAA10/LAA10B) Circuit Pack Description 7-52