3Com 3CB9RG4 Quick Start Manual page 5

4-Port Gigabit Ethernet Layer 3 Switching Module (GBIC) Quick Start Guide
Before you install your 4-port Gigabit Ethernet Layer 3 Switching Module
Installation
Prerequisites (GBIC), comply with the following prerequisites:
Verify that the chassis is properly installed in a rack, on a table, or on a
shelf, according to the instructions in either of these guides:
Have a flat-blade torque screwdriver available to secure the module to
the chassis after you install it.
Read the CoreBuilder 9000 Release Notes for Layer 3 Switching
Modules that is included in your module shipping box for important
upgrade procedures for other modules in an existing chassis or in a
new chassis.
CAUTION: All modules in a CoreBuilder 9000 chassis must operate at
compatible software levels. You must verify the software release on all
new and existing modules in your chassis and upgrade as necessary. See
the CoreBuilder 9000 Release Notes for Layer 3 Switching Modules for a
module software compatibility requirements table, mandatory upgrade
procedures, and other important information.
7-Slot Chassis Quick Installation Guide for the CoreBuilder 9000
Enterprise Switch
Chassis Quick Installation Guide for the CoreBuilder 9000
Enterprise Switch 8-slot Chassis and 16-slot Chassis
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