Cabletron Systems ZX-250 manual Removing I/O Modules

Performing Hardware Maintenance Switch Administration

%"¤›apm The MSM must always be replaced in the lower switch module slot, and the ESM must always be replaced in the upper switch module slot. Placing the boards in the incorrect slot causes the ZX-250 switch to fail.

Figure 4-8 Removing a switch module from the lower switch module position

4.9.8Removing I/O Modules

s• Ground yourself using a Cabletron-approved ESD device and appropriate safety procedures.

¢• Once a switch module is removed from the chassis, unfasten the IOMs from the switch module (see Figure 4-9), using a screw driver (2 screws from the bottom, 1 screw from the front).

••Remove the IOMs from the switch module (one at a time) by lifting them upward from the switch module, disconnecting them from the switch modules’s DIN connector (see Figure 4-9).

4-36 SmartCell ZX-250 User Guide