Chapter 4 - Hardware Description

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 4-5lists the available Functional Modules.

Table 4-5: MGC+ Functional Modules Description

Functional Module

Function

Port capacity

 

 

 

Net-2ISDN/T1-CAS

Interfaces between the

46 channels/60 ISDN

Network Interface

MGC+ unit and the ISDN

channels or 48 T1-CAS

 

network or T1-CAS lines.

channels

 

 

 

Net-4ISDN//T1-CAS

Interfaces between the

92 channels/120 ISDN

Network Interface

MGC+ unit and the ISDN

channels or 96 T1-CAS

 

network or T1-CAS lines.

channels

 

 

 

Net-8ISDN/T1-CAS

Interfaces between the

184 channels/240

Network Interface

MGC+ unit and the ISDN

ISDN channels or 192

 

network or T1-CAS lines.

T1-CAS channels

 

 

 

IP+12/24

Perform signaling and

32 channels at

 

capabilities exchange for

128Kbps

 

conferencing. Encrypted

 

 

conferences with IP

 

 

participants, SIP sessions

 

 

and mixed component

 

 

conferences that include SIP

 

 

participants require IP+ cards

 

 

 

 

4-16

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Polycom DOC2238A manual Functional Modules, Functional Module Port capacity, IP+12/24