CHAPTER
7-1
Cisco ME 3800X and 3600X Switch Software Configuration Guide
OL-23400-01
7
Configuring the Switch External Alarms
On the ME 3800X and ME 3600X switch, you can configure external alarm inputs.
Understanding Switch Alarms
You can connect up to four alarm inputs from external devices in your environment, such as a door, a
temperature gauge, or a fire alarm, to the alarm input port on the switch front panel. Figure 7-1 shows
the location of the alarm pinouts.
Figure 7-1 Alarm Input Port Pinouts
For each alarm input, you can configure an open or closed circuit to trigger an alarm and configure the
severity of the alarm. A triggered alarm generates an system message. If you enter a descriptive name
for the alarm, that name is included in the system message. A triggered alarm also turns on the LED
display (the LED is normally off, meaning no alarm). See the Cisco ME-3800X and ME 3600X Hardware
Installation Guide for information about the LEDs.
The alarm trigger setting is open or closed. If not set, the alarm is triggered when the circuit closes.
• Open means that the normal condition has current flowing through the contact (normally closed
contact). The alarm is generated when the current stops flowing.
• Closed means that no current flows through the contact (normally open contact). The alarm is
generated when current does flow.
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