Polycom DOC2238A - Manual (Page 96)

Chapter 4 - Hardware Description
4-16
Functional Modules
The Functional Modules (cards) perform the various audio, video, and data
processing functions for the MGC+ unit. Both the MGC+100 and the
MGC+50 use the same functional modules.
The MGC+100 unit houses up to sixteen Functional Modules, which can
occupy slots 1 through 16.
The MGC+50 unit houses up to eight Functional Modules, which can occupy
slots 1 through 8.
The LED’s on the front of each Functional Module indicate the status of
operation and whether it is functioning properly. Functional Modules are
installed via the front panel of the MGC+ unit. A connector at the rear of each
functional module connects the module to the backplane. Any module can be
inserted into any slot. All Functional Modules are front-removable and hot
swappable.
Table 4-5 lists the available Functional Modules.
Table 4-5: MGC+ Functional Modules Description
Functional Module Function Port capacity
Net-2 ISDN/T1-CAS
Network Interface Interfaces between the
MGC+ unit and the ISDN
network or T1-CAS lines. 46 channels/60 ISDN
channels or 48 T1-CAS
channels
Net-4 ISDN//T1-CAS
Network Interface Interfaces between the
MGC+ unit and the ISDN
network or T1-CAS lines. 92 channels/120 ISDN
channels or 96 T1-CAS
channels
Net-8 ISDN/T1-CAS
Network Interface Interfaces between the
MGC+ unit and the ISDN
network or T1-CAS lines. 184 channels/240
ISDN channels or 192
T1-CAS channels
IP+12/24 Perform signaling and
capabilities exchange for
conferencing. Encrypted
conferences with IP
participants, SIP sessions
and mixed component
conferences that include SIP
participants require IP+ cards 32 channels at
128Kbps