Polycom DOC2237A - Manual (Page 73)

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4
Hardware Description
This chapter describes the various components that make up the MGC unit.
The following components are described:
• Backplane
• Main Control Module
• Power Supply Module
• Fans
• Functional Modules
— ISDN Net-T1/Net-E1
— ISDN/T1-CAS Net-2/4/8
— ATM-25/155
— MG323
— IP24
— IP48
— IP+12, IP+24, IP+48
— MPI-4/8
— MUX
— MUX+
— Standard Audio
— Audio+8A/V
— Audio+12/24, Audio+24/48, Audio+48/96
— Standard Video
— Video+
— Data
• Input/Output cards
• Greet&Guide hardware kit