141
VCPM modules are required for voice communications of routers.
Interface specifications
Table 226 Interface specifications
Connector Double-edge connector
Interface type PCI 2.2, EHPI
Data transmission
rate
• Operating rate for PCI bus: 33 MHz/66 MHz
• Maximum bandwidth: 264 Mbps
• BURST transmission: Up to 1 KB of data can be transmitted once and the
maximum number of bytes transmitted can be configured.
Interface LEDs
The MPU on the router provides a VCPM interface LED to indicate the status of the VCPM module.
Table 227 LED description
VCPMx
• Green: The VCPM module is in the slot and is operating correctly.
• Yellow: The VCPM module is in the slot but cannot be accessed by the router.
Note:
X means the slot number VCPM module LED is on.
Installing/removing a VCPM module
For more information about how to install or remove a VCPM module, see the installation guides for
HPE MSR series routers.
VPM
Introduction
The Voice Processing Module (VPM) provides the following features:
• Encoding/decoding
• Echo cancellation (EC)
• Comfortable noise generation (CNG) of voices.
Interface specifications
Table 228 Interface specifications
Number of calls
supported
• 8
• 16
• 24
• 32
Installing/removing a VPM module
For more information about how to install or remove a VPM module, see the installation guides for
HPE MSR series routers.
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