ALM

ON when power is turned on or when a major alarm is present.

APP

ON when Communication Manager is running or a test is in progress.

ACT

ON when a gateway, an IP station, or an IP console registers with the S8300E.

OFF when none of the IP endpoints are registered with the S8300E.

OK TO REMOVE

Flashes when shutdown is in progress.

ON when shutdown complete and you can remove S8300E server.

LAN2 (Services Ethernet left RJ45 jack)

Green LED is ON when the data rate is 10 MB or 100 MB.

Yellow LED is ON when the data rate is 1000 MB.

SERVICES (Services Ethernet right RJ45 jack)

Flashes when data is being transmitted or received over the Ethernet link.