beautypg.com

Alarm port – HP NonStop G-Series User Manual

Page 50

background image

Switch Modules

ServerNet Nomadic Disk User’s Guide425485-001

4 -6

Alarm Port

Alarm Port

If an optional external alarm is connected to the external alarm port and the alarm relays
are energized, the alarm is activated under the following conditions:

SWCI sends a command to activate the alarm.

Sensor 1 or Sensor 2 temperature is out of range.

Voltage for the power supply is out of range.

The switch module fails the power-on self-test (POST).

Certain environmental faults occur. For these faults, refer to

Environmental Alert

Messages

on page 6-50.