156
•
Do not install a VCPM on the MSR 20-12 router when installing a SIC-1VE1/SIC-1VT1 module
on them. Each main board of the MSR 20-12 routers provides only one VPN slot. The
specifications and number of VPMs needed depend on the number of calls. Installation should
be performed by H3C personnel or an authorized H3C partner.
•
The multi-service module A (MSCA) of an MSR 50 router provides VCPM and VPM slots, but
the multi-service module B (MSCB) provides only one VCPM slot. No VCPM and VPM slots are
installed when MSR is shipped.
•
Install VCPM and VPM modules on a MSCA when installing the SIC-1VE1/SIC-1VT1 on the
MSR 50 routers. The specifications and number of VPM modules needed depend on the
number of calls.
•
The FIC-1VE1/FIC-1VT1 module provides one VCPM slot and one VPM slot and the
FIC-2VE1/FIC-2VT1 module provides one VCPM and two VPM slots. The FIC-2VE1/FIC-2VT1
module has a VCPM installed when MSR is shipped.
•
The VCPM module installed on the MSCR/MSCB of an MSR 50 router is different from that
installed on the FIC-1VE1/FIC-1VT1 module. Therefore, they cannot be used interchangeably.
•
The FIC-1VE1/FIC-1VT1 is used with a VPM module installed. The specifications and number
of VPM modules needed depend on the number of calls.
•
The VPM modules installed on the MSCA of the MSR 50 routers are the same as that installed
on the FIC-1VE1/FIC-1VT1 modules.
•
If you install more than two FIC-1VE1/FIC-1VT1 modules on an MSR 50 router, you need to add
another VCPM module on the MSCA/MSCA.
VCPM
Introduction
The voice co-processing module (VCPM) provides transmission channel between DSP strip and
system memory for voice data, thus implementing TDM HW exchange for each PCM data voice
channel.
VCPM module is required for voice communications of routers.
Interface specifications
Table 212 Interface specifications
Item Description
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.
Summary of Contents for MSR Router Comware 5 Series
Page 9: ...iv Index 209...
