Polycom DOC2237A Hardware Installation Manual page 97

Table 4-4: MGC Functional Modules Description
Functional Module
MPI-4
MPI-8
Audio (Standard)
Audio+
Video
Video+
MGC Hardware and Installation Manual
Function
Uses dialing protocols to
communicate to endpoints
using "Data Terminal
Equipment" (DTE), or Data
Communications Equipment
(DCE).
Uses dialing protocols to
communicate to endpoints
using "Data Terminal
Equipment" (DTE), or Data
Communications Equipment
(DCE).
Performs audio compression,
decompression, and
bridging.
Performs audio compression,
decompression
Performs video processing
and Transcoding.
Performs video processing
and Transcoding.
Port capacity
120 channels/92
channels
240 channels/184
channels
•
12 ports per card
(standard
conference)
•
Audio Bridge: 16
participants, or 30
participants (Large
Video Switching
conference)
•
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
•
Single – 6 ports
•
Double – 12 ports
Up to 8 participants
4-25