Lucent Technologies DDM-2000 OC-3, User & Service Manual

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363-206-285
Circuit Pack Descriptions
Issue 3 June 2001 7-9
BBG8/BBG8B SYSCTL Quick Reference Summary 7
Interface Functions 7
Intra-shelf interface functions performed by the SYSCTL are as follows:
■
Direct control of other circuit packs via a serial control link and intra-shelf
control bus
■
Control of circuit pack and user panel LEDs
■
Detecting the presence of, and identifying, circuit packs installed in the
system.
Craft Interface:
■
Local and remote craft interface automatically provisioned to 300, 1200,
2400, 4800, 9600, or 19,200 baud
■
Provides interface for all advanced provisioning, PM, administration, and
maintenance activities.
User Panel 7
■
Alarm and status indicators
■
Controls.
Miscellaneous Discrete Functions 7
Miscellaneous discrete functions provided by the SYSCTL are as follows:
■
Miscellaneous discrete environmental alarms and control.
Maintenance Functions 7
Maintenance functions provided by the SYSCTL are as follows:
■
Automatic reset on powerup
■
Fault detection, isolation, and reporting
■
Protection switching control of other circuit packs
■
Inventory information ( CLEI code, date of manufacture, etc.).