Polycom DOC2237A User Manual
Page 97
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