Cisco Prisma II Installation And Operation Manual page 38

Connecting the Chassis to the TNCS Server,
Using TNCS with Multiple Prisma II Chassis
All chassis within an ICIM domain are connected in series via the ICIM IN/OUT
connectors using standard serial extension cable, DB9 Female to DB9 Male. Using the
EM IN/OUT connectors, a chassis with an ICIM installed is connected to a breakout
box as shown below. The breakout box is connected to the TNCS server with the
cable included in the RS-485 cable kit.
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Continued
Installation 78-739260-01 Rev F