Installing And Removing A Vpm Module; Installing A Vpm Module; Removing A Vpm Module - HP MSR20-1X Series Installation Manual

(4) Power supply

Installing and removing a VPM module

The VPM module can perform voice traffic compression/decompression, echo cancellation (EC), and
comfortable noise generation (CNG). The VPM modules fall into the following types:
8-channel VPM (RT-VPM8)
•
16-channel VPM (RT-VPM16)
•
• 24-channel VPM (RT-VPM24)
32-channel VPM (RT-VPM32)
•
Figure 49 VPM module

Installing a VPM module

To install a VPM module:
Align the golden finger of the VPM module with the VPM module slot on the motherboard of the
1.
router. Insert the VPM module into the slot at a 45-degree angle.
Tilt the VPM module up to the vertical position until you hear a click. This click indicates the VPM
2.
module is firmly inserted in the slot.
Figure 50 Install a VPM module

Removing a VPM module

To remove a VPM module:
Press down and pull the release latches away from the VPM module at both ends to separate the
1.
VPM module from the release latches.
Remove the VPM module, and keep the VPM module.
2.
(5) Rear panel
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