Each Peripheral Unit has one peripheral switch controller
(PSC) card and one Fiber Interface Module (FIM). The
PSC card provides control for all peripheral interface
cards, and the FIM provides a fiber-optic connection to
the 3300 controller.
The following peripheral interface cards can be installed
in Peripheral Units (some cards are only available in
specific countries):
•
DNI Line Card
•
LS/GS Trunk Card
•
ONS CLASS/CLIP Line Card
•
ONS Line Card
•
E&M Tie Trunk Card
•
OPS Line Card
•
DID/Loop Tie Trunk Card.
Fiber Interface Module
Figure 33. Peripheral Unit FIM
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