The module also provides integrated ring generation and line test functionality. Alternately blinking FAIL and BUSY LEDs indicate that a slot has been provisioned in EMS for another type of module. Alternately blinking FAIL and BUSY LEDs indicate that a slot has been provisioned in EMS for another type of module. Alternately blinking FAIL and BUSY LEDs indicate that a slot has been provisioned in EMS for another type of module. Green Red Off Line is in service and has no errors.
Line is in near end or far end failure.
Line is not in service. Alternately blinking FAIL and BUSY LEDs indicate a slot that has been provisioned in EMS for another type of module. Line is in loopback mode. Line is in Loss of Signal or Loss of Frame alarm state. Line is in far end failure, AIS, yellow alarm, or idle alarm state.