Polycom DOC2238A Network Router User Manual


 
MGC+ Hardware and Installation Manual
4-15
The specifications of the Power Supply modules of the MGC+100 is shown in
“MGC+100 Power supply modules capacity” on page 4-13. The
specifications of the Power Supply module of the MGC+50 is shown in
“MGC+50 Power supply module capacity” on page 4-14.
Fans
Three fans are mounted at the bottom of the rear panel on the MGC+100.
Each fan has an alarm, which is monitored by that Main Control Module. Two
fans are mounted at the bottom of the rear panel on the MGC+50. On both
MCU’s the system can generate an alert upon failure. For configuration
requirements and information, contact your next level of support.
Alarms Port
The main control module I/O module includes an Alarm port. The Alarm port
on the rear panel of the MGC+-100 can be connected with the MCU’s fans
and power supplies.
The Alarm port on the rear panel of the MGC+50 can only be connected to
the MCU’s fans.
For more information see, “Front Panel LEDs” on page 5-4.
The Alarms port has the following specifications:
Voltage rating: 60 V DC maximum
Current rating: 0.2 A maximum
On the MGC+50, Alarms ports are in use for the two fans.
The pin assignment of the Alarm port are specified in the section“Alarms
Port Pin Assignment” on page A-2.