12
4-Port Gigabit Ethernet Layer 3 Switching Module (GBIC) Quick Start Guide
Installation in a 16-slot Chassis
You can choose any slot in the 16-slot chassis to house a 4-port Gigabit
Ethernet Layer 3 Switching Module (GBIC) — except slots 8 and 9, which
are for the larger switch fabric modules, and slots 17 and 18, which are
for the smaller management modules.
Table 5 shows the relationship among the 24-port GEN Switch Fabric
Modules and the 4-port Gigabit Ethernet Layer 3 Switching Module
(GBIC) when both are installed in a 16-slot chassis. To summarize the
table:
■
The switching module can use two of its backplane ports in slots 1 – 7
and slots 10 – 12, when used in conjunction with a 24-port GEN
Switch Fabric Module (3CB9FG24 or 3CB9FG24T). 3Com
recommends that you install this Layer 3 switching module in any of
those slots.
■
The switching module can use only its first backplane port (module
port number 5) in slots 13 – 16 when used in conjunction with a
24-port GEN Switch Fabric Module (3CB9FG24 or 3CB9FG24T).
Table 5 also shows the relationship between the GEN Switch Fabric
Module backplane port numbers and the corresponding LED indicator
numbers.
You cannot use the 9-port GEN Switch Fabric Module (3CB9FG9) in the
16-slot chassis.
Summary of Contents for 3CB9RG4
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