SX-200 General Information Guide
50 Revision A 50003510
Customer Data Entry Storage - CDE software is stored in NVRAM, and can also be stored
on an off-board personal computer. When the system is powered up, CDE software is loaded
from NVRAM to the MCC II RAM.
Bay Control Card II - interfaces the peripheral cards with the Main Control Card.
Control FIM Carrier Card - supports the Fiber Interface Module and connects to the MCC II
via a ribbon cable. The Control FIM Carrier Card plugs into slot 4 of the backplane.
Fiber Interface Module (FIM) - supports the transmission of voice and data signals over fiber
optic cables. The FIM plugs into the Control FIM Carrier.
Peripheral Interface Cards - interface trunks and peripheral devices, such as telephones,
SUPERSET telephones, and datasets into the system. Up to eight Peripheral Interface Cards
(PICs) can be installed in Slots 1 to 8. PICs are described later in this section.
Bay Power Supply - provides required voltages to peripheral cards, control cards, and system
peripheral devices.
Backplane - the Bay Control Card, the Bay Power Supply, and the eight Peripheral Interface
Cards plug into connectors on the backplane.
SX-200 ML (FD) Configuration
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