Issue 8.0 July 2002 7-iii
Tab le of Conten ts
Purpose of Circuit 7-52
Faceplate LED 7-52
General Description of Operation 7-53
Detailed Description of Operation 7-53
Quick Reference Summary 7-60
â– IS3 (LAA5) Circuit Pack Description 7-62
Purpose of Circuit 7-62
Faceplate LED 7-62
General Description of Operation 7-63
Detailed Description of Operation 7-63
Quick Reference Summary 7-69
â– OC-12 (T939A) Circuit Pack Description 7-71
Purpose of Circuit 7-71
Faceplate LED 7-71
General Description of Operation 7-72
Detailed Description of Operation 7-73
Quick Reference Summary 7-78
â– LSSW (LAA12B) Circuit Pack Description 7-80
Purpose of Circuit 7-80
Faceplate LED 7-80
General Description of Operation 7-81
Detailed Description of Operation 7-82
Quick Reference Summary 7-85
â– OC48 RCVR A/D (839B2, 839B4B, 839B5, and
839E5) Circuit Pack Description 7-86
Purpose of Circuit 7-86
Faceplate LED 7-87
General Description of Operation 7-88
Detailed Description of Operation 7-88
Quick Reference Summary 7-95
â– OC48 TRMTR A/D (739B_, 739C_, 739E_,
739G_, 739H_, 739J_, 739P5, 739R_, 739S_)
Circuit Pack Description 7-97