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VOICE PROCESSING MODULE (VPM)
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: The VPMs used in this product appear
very similar to the VPMs in our previous CADENCE
product but they are not interchangeable. If the VPMs are
not labeled with the letters SEC they will not work in the
SVMi-8 product.
The VPM is used to:
! Move the digital speech and fax information between
the SVMi-8 system and the phone system
! Generate and detect DTMF
! Record and play back speech
Without at least one VPM, the SVMi-8 will not work. Each
VPM has 4 channels. This means that for each VPM
installed, up to four simultaneous callers can be connected
to the SVMi-8.
The VPM is attached to the SBC by an edge connector. Each
SVMi-8 comes equipped with one VPM, but it can be
removed or replaced in the event of a problem or upgrade.
The SVMi-8 card can accommodate 2 of these cards allowing up to 8 simultaneous callers.
The 4 port Voice Processing Module is a small removable hardware board called a VPM. It connects to the SVMi-8
motherboard. When it is installed in the SVMi-8 card it increases the number of available ports from 4 to 8. The
SVMi-8 card can not be expanded beyond 8 ports.
Types of VPM
There are two types of VPM. The 4 Voice and the 3 Voice + 1 Fax.
! 4 Voice VPM (VPM)—4 Port Voice Processing Module
This add-on-card provides 4 channels of voice otherwise known as ports. It allows 4 simultaneous callers to
use the services of the SVMi-8. One or two of these cards may be added to the SVMi-8.
! 3 Voice + 1 Fax VPM (VPM)—4 Port Voice Processing Module with 1 Port Fax Support
This add-on-card provides 4 channels of voice otherwise known as ports. It allows 4 simultaneous callers to
use the services of the SVMi-8. Any one of these ports can use the fax services of the SVMi-8 card. This mod-
ule must be located on the SVMi-8 motherboard in the position with the double connector located furthest from
the memory module. Only one of these cards can be added to the SVMi-8.
Hardware Description
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