950-818-100-01, Revision 01
Overview
PCS-818 List 1
November 30, 1999
3
Serial Communications Bus
The SCB provides the means for the PAU/PMU to communicate with all other boards in the COT shelf to allow:
•
Software downloads
•
Generation of status, alarm, and performance reports through the PG-Flex
Plus
Console menus
•
Provisioning of each unit installed in the COT shelf through the PG-Flex
Plus
Console menus
Communication Requests
The COT shelf provides a path for communication requests from each of the cards to the PAU/PMU slot. These
signals are used by the COLU and PMX units to initiate communication with the PAU/PMU.
Backplane Connections
Each COT shelf supports the connection of up to sixteen COLUs, one PMX unit and one PAU/PMU. The
backplane of the PCS-818 COT shelf contains the connectors shown in Figure 3 and
Figure 3.
PCS-818 COT Shelf Backplane
