3com MSR 30-20 Instruccion De Instalación

Figure 88   VPM structure

Figure 89   Structure of VPM slot

Follow the steps below to install a VPM:

Step 1: Make sure all power interfaces are shut down.

Step 2: Align the connecting fingers of the VPM with the VPM slot on the main 
board.

Step 3: Insert the VPM in the direction of 45 degrees to the main board.

Step 4: Press the top edge of the VPM module perpendicularly to the main board 
until the VPM snaps into the slot. At this time, the VPM forms a certain angle to 
the main board.

Figure 90   Press the VPM into the slot and pull the VPM until it is locked

The removal procedure is just opposite.

Follow the steps below to install an ESM/VCPM card:

Step 1: Make sure all power interfaces are shut down.

Step 2: Open the chassis cover. (For detailed operations, refer to “Opening/Closing 
the Chassis Cover” on page 79).