Polycom DOC2232A manual MGC-25 can contain several cards, as listed in Table

MGC-25 Getting Started Guide

The MGC-25 can contain several cards, as listed in Table 8-4:

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.

When double-clicking the Cards icon in the Browser pane, the Status pane displays the status of each card:

8-10