Polycom DOC2238A manual Fans, Alarms Port

MGC+ Hardware and Installation Manual

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.

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