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Installing and removing an ESM-SNDE module
For more information about installing and removing an ESM-SNDE module, see the installation
guides for the H3C router models.
VCPM/VPM
•
VCPM
•
VPM
VCPM/VPM purchase guide
•
The main boards of the MSR 20-40 and MSR 30 routers provide voice co-processing module
(VCPM) and VPM slots, but have no VCPM and VPM modules installed when MSR is shipped
from the factory.
•
The SIC-1VE1/SIC-1VT1 module does not provide any VCPM or VPM slot, and can only use
the VCPM and VPM installed on the main board of MSR.
•
The MIM-1VE1/MIM-1VT1 module provides a VCPM and a VPM slot, and the
MIM-2VE1/MIM-2VT1 module provides a VCPM and two VPM slots. Each
MIM-1VE1/MIM-1VT1 module has a VCPM installed but has no VPM installed when it is
shipped from the factory.
•
The VCPM module used for the main board of MSR 20-40 and MSR 30 routers and the VCPM
module that comes pre-installed on the MIM-1VE1/MIM-1VT1 module are different and cannot
be used interchangeably.
•
The VPM module used for the main board of an MSR 20-40 or MSR 30 router is the same as
that installed on the MIM-1VE1/MIM-1VT1 module
•
When you install a SIC-1VE1/SIC-1VT1 module into a supported MSR 20-40 and MSR 30
routers, then you also need to install a VCPM and VPM on the main board of the MSR. The
number of VPMs needed depends on the number of calls. Installation should be performed by
H3C personnel or an Authorized H3C partner.
•
The MIM-1VE1/MIM-1VT1 module must be used with VPM installed. The number of VPMs
needed depends on the number of calls.
•
If you install more than one MIM-1VE1/MIM-1VT1 modules (or one MIM-1VE1/MIM-1VT1
module and one SIC-1VE1/SIC-1VT1 module) into a supported MSR 30 router, you need to add
another VCPM on the main board of the MSR.
•
If you install a single MIM-1VE1/MIM-1VT1 module into MSR 30 routers, no more VCPM is
needed.
•
Because the initiator of a three-party conference is responsible for audio mixing, so when using
MSR as the initiator of a three-party conference, the main board of MSR must have VPM
installed.
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