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

4-1

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Polycom DOC2237A manual Hardware Description