Polycom DOC2237A Hardware Installation Manual page 75

Main Switch
and Circuit Breaker
AC Inlet
Figure 4-2 shows the rear panel of the MGC-100. The rear panel provides
access to the network I/O card connectors. I/O cards are inserted via the rear
panel. In addition, the rear panel houses the main power switch, AC inlet,
fans, the circuit breaker, additional communications ports and alarm ports.
The alarms port provides dry contacts for critical, major, and minor alarms.
RS232
Connectors
MUSIC
LINE IN
Dry Contacts
Figure 4-2: MGC-100 rear panel with external connectors
MGC Hardware and Installation Manual
Slot A
Network
Connectors
COM 1 ALARMS
COM
RJ45 Connector
Main Control
Module Cover
LAN
10/100 Mbits
Fan
4-3