Polycom DOC2232A - Manual (Page 104)

MGC-25 Getting Started Guide
8-10
The MGC-25 can contain several cards, as listed in Table 8-4:
When double-clicking the Cards icon in the Browser pane, the Status
pane displays the status of each card:
Table 8-4: MGC Cards
Card Function
NET2 Network Interfaces between the MGC unit and the ISDN or
T1 CAS network.
IP Network Interfaces between the MGC unit and the LAN
network.
MUX+ Multiplexes and demultiplexes audio and data
information, performs channel aggregation and video
processing in Video Switching conferences.
AUDIO7 Performs audio compression, decompression, bridging
and DTMF tones.
VIDEO6 Optional, depending on configuration. Performs video
compression and decompression. Must be used for
Transcoding, Continuous Presence and COP
conferences.