Describes how to view the status of a digital IO contact on the device. Use the command output to verify alarm details, status, and input settings.
On the device, use the show alarm command, filtering for digital IO and the contact (range 1 to 4) you want to view.
Router#
show alarm | section Digital I/O 2
Digital I/O 2:
Description: External digital I/O port 2
Status: Not Asserted
Application: Dry
Severity: minor
Trigger: Closed
Voltage: 3300mV
Threshold: 1600mV
Mode: Input