SMC Networks SMC7824M/ESW manual Alarm Interface Port, Port and System Status LEDs

DESCRIPTION OF HARDWARE

Alarm Interface Port

The DB-15 alarm port on the switch’s front panel can be used to provide alarm, service port, and BITS clock reference interfaces. The switch supports two sets of alarm relay contacts (major and minor), and 4 external customer site alarm inputs. It also provides an alarm cutoff button (labeled ACO). Refer to “Connecting to the Alarm Port” on page 3-15for a description of the pin assignments used to connect to the alarm port.

Port and System Status LEDs

This switch includes a display panel for key system and port indications that simplifies installation and network troubleshooting. The LEDs, which are located on the front panel and the power module trays for easy viewing, are shown below and described in the following tables.

Mgmt

Figure 1-2 Port and System LEDs

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