Issue 1
December 1997
xix
Contents
Transmission Circuitry
Control Circuitry
Timing Circuitry
Protection Circuitry
Fault Detection Circuitry
Performance Monitoring
Power Circuitry
23G/23G-U OLIU Quick Reference Summary
Transmit Functions
Receive Functions
Control Functions
Maintenance Signal Functions
23H/23H-U OLIU Circuit Pack Description
Purpose of Circuit
23H/23H-U OLIU Faceplate Indicators
General Description of Operation
Detailed Description of Operation
Transmission Circuitry
Control Circuitry
Timing Circuitry
Protection Circuitry
Fault Detection Circuitry
Performance Monitoring
Power Circuitry
23H/23H-U OLIU Quick Reference Summary
Transmit Functions
Receive Functions
Control Functions
Maintenance Signal Functions
177B Apparatus Blank Description
Purpose of Apparatus Blank
177C Apparatus Blank Description
Purpose of Apparatus Blank