Cabletron Systems MMAC-Plus 9H421-12, User Manual, Page: 23 / 38

2-7
Installing the SmartSwitch 9000 Module
Figure 2-4. Installing the 9H421-12, 9H422-12 and 9H429-12 Modules
Metal Back-Panel
Module Guides
Module
Jack for ESD
Wrist Strap
Plastic Tab
Warning:
Ensure that the circuit card is between the
card guides.
Lock down the top and bottom plastic tabs
at the same time, applying even pressure.