Fujitsu FLM 150 ADM Maintenance And Trouble Clearing page 33

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Maintenance and Trouble Clearing
FJTU-320-515-480
LED
Color
FAIL
Red
Blinking red
Off
LINE
Red
Off
LED
Color
FAIL
Red
Off
LINE
Red
Yellow
Off
SEND
Green
Off
RCV
Green
Off
Issue 9, May 1999
Table 2-2: EC1A LED Descriptions
An internal failure.
Unit MISMOUNT: the system is configured for a different mode, or the mounted
unit is not intended for use in the current configuration.
Normal operation (in service).
An incoming data communications channel (DCC) signal failure.
Normal operation (in service).
Table 2-3: HC1A-3xxx LED Descriptions
An internal failure or an incoming signal failure (such as an LOS or LOF).
Normal operation (in service).
The incoming signal has degraded or failed. A service-affecting alarm (such as
BERSDP or BERSFP) exists on both drops.
A non–service-affecting failure, such as an AIS or RFI (remote failure indication),
has been detected.
Normal operation (in service).
The unit is transmitting.
Standby or out of service.
The unit is receiving.
Standby or out of service.
FNC and FNC Customer Use Only
2.2: LED Descriptions
Meaning
Meaning
Vol. ll, Page 480.2-3

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