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Chapter 4 Operation Using ICIM
ICIM Function
The ICIM serves as the module-to-user interface and as the interface between the
Prisma II modules and TNCS or ROSA. The ICIM allows local module configuration
and status monitoring for up to 140 modules located in multiple chassis.
Important:
Do not operate any Prisma II Chassis without a fan tray installed properly. If a
fan tray is not installed in the Prisma II Chassis, the ICIM will not communicate
with any of the modules in that chassis.
All chassis connected in a daisy-chain must be powered and have a fan tray
installed. A chassis that is connected but is either not powered, or does not have
a fan tray installed will cause faulty operation of the ICIM.
All chassis connected in this daisy-chain must have a unique chassis
identification (ID) number.
The last chassis in the daisy-chain must have a terminator installed in the ICIM
OUT connector. Otherwise, faulty communication with the ICIM may occur.
ICIM Block Diagram
A block diagram representing the ICIM2 or ICIM2-XD is shown below.
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Troubleshooting
