H3C Technologies H3C MSR 30 - Manual (Page 94)

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VPM Slot
Figure 91 Structure of VPM slot
Installing/Removing a VPM
Follow the steps below to install a VPM:
Step1 Make sure all power interfaces are shut down.
Step2 Align the connecting fingers of the VPM with the VPM slot on the main board.
Step3 Insert the VPM in the direction of 45 degrees to the main board.
Step4 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 92 Press the VPM into the slot and pull the VPM until it is locked
The removal procedure is just opposite.
Installing/Removing an ESM/VCPM Card
Follow the steps below to install an ESM/VCPM card:
Step1 Make sure all power interfaces are shut down.
Step2 Open the chassis cover. (For detailed operations, refer to Opening/Closing the Chassis Cover )
Step3 Install the card on specified position on the main board, and fasten it on the board.