Table 12: Feature History Table
Feature DescriptionRelease InformationFeature Name
With this release, you can enable
external alarms, such as external
doors, voltage, fire, thermal, and
water sensors on the following
variants of Cisco NCS 540 routers:
• N540X-6Z18G-SYS-A/D
• N540X-8Z16G-SYS-A/D
• N540X-4Z14G2Q-A/D
For more information, see the Cisco
Network Convergence System 540
Small Density Routers Data Sheet.
Release 7.4.2Support for General Purpose
Input/Output (GPIO) External
Alarm Port
To set the description of the alarm:
RP/0/RP0/CPU0:ios(config)# environment alarm-contact contact-number description
description
To set the severity of the alarm:
RP/0/RP0/CPU0:ios(config)# environment alarm-contact contact-number severity
[critical | major | minor] [
To set the trigger for the alarm:
RP/0/RP0/CPU0:ios(config)# environment alarm-contact contact-number trigger [open
| closed]
You can configure up to four external alarms.
Note
The contact-number is the pin number of the connected alarm port, that is Alarm input 1 to Alarm input 4.
The description string can be up to 80 alphanumeric characters in length and is included in any generated
system messages.
For severity, enter any one of: critical, major, or minor.
Description and severity are both mandatory values.
Use the show alarms command in admin mode to view the alarm details. Use the show logging command
to view the displays the state of syslog error and event logging.
An SNMP trap is sent for every external alarm that is raised or cleared on the system.
USB Port Console Pinouts
This table summarizes the USB port console pinouts:
Cisco Network Convergence System 540 Passive Cooled Small Density Routers Hardware Installation Guide
51
Appendix
USB Port Console Pinouts
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