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Polycom DOC2237A User Manual

Page 97

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MGC Hardware and Installation Manual

4-25

MPI-4

Uses dialing protocols to
communicate to endpoints
using “Data Terminal
Equipment” (DTE), or Data
Communications Equipment
(DCE).

120 channels/92
channels

MPI-8

Uses dialing protocols to
communicate to endpoints
using “Data Terminal
Equipment” (DTE), or Data
Communications Equipment
(DCE).

240 channels/184
channels

Audio (Standard)

Performs audio compression,
decompression, and
bridging.

12 ports per card
(standard
conference)

Audio Bridge: 16
participants, or 30
participants (Large
Video Switching
conference)

Audio+

Performs audio compression,
decompression

Audio+8A - 24/48
ports

Audio+8V - 24 ports

Audio+12/24 - 12/
24* ports

Audio+24/48 - 24/
48* ports

Audio+48/96 - 48/
96* ports

* video/audio
conferences

Video

Performs video processing
and Transcoding.

Single – 6 ports

Double – 12 ports

Video+

Performs video processing
and Transcoding.

Up to 8 participants

Table 4-4: MGC Functional Modules Description

Functional Module

Function

Port capacity