xiv
Issue 1
December 1997
Contents
■
Universal Optical Connector
■
Control
Control Circuit Packs
BBG8/BBG8B SYSCTL Circuit Pack Description
Purpose of Circuit
BBG8/BBG8B SYSCTL Faceplate Controls and
Indicators
General Description of Operation
Detailed Description of Operation
Control Circuitry
Memory
Transmission/Timing Circuit Pack Interfaces
Operation Interfaces
OC-12 Transport Overhead Channel
Power Monitoring and Fan Control
Interface to Other DDM-2000 OC-12
Shelves
Power Circuitry
BBG8/BBG8B SYSCTL Hardware Setting
BBG8/BBG8B SYSCTL Quick Reference
Summary
Interface Functions
User Panel
Telemetry Functions
Maintenance Functions
BCP4 OHCTL Circuit Pack Description
Purpose of Circuit
Faceplate Indicator
General Description of Operation
Detailed Description of Operation
OC-12 Transport Overhead Channel
User Definable Miscellaneous Discrete
Environmental Alarms and Controls
X.25 Message-Based Operation Interface