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2.2: LED Descriptions
Issue 9, May 1999
FNC and FNC Customer Use Only
Vol. ll, Page 480.2-7
Maintenance and Trouble Clearing
FJTU-320-515-480
Table 2-10: MC1A-D3/-D3A2 LED Descriptions
LED
Color
Meaning
FAIL/SVCE
Red
An internal failure, or the internal clock or BITS output is down.
Blinking red
Unit MISMOUNT: the system is configured for a different mode, or the
mounted unit is not intended for use in the current configuration.
Green
Normal operation (in service).
Off
Standby or out of service.
LINE
Red
The incoming signal has degraded or failed. A service-affecting alarm, such as
a BERSDP or BERSFP, exists on both drops.
Yellow
One or more non–service-affecting path-level conditions exist. Possible
conditions include a BERSDP, BERSFP, AIS, RFI, or UNEQ (unequipped).
Off
Normal operation (in service).
Table 2-11: MC1A-MDM1 LED Descriptions
LED
Color
Meaning
FAIL/SVCE
Red
An internal failure, or the internal clock or BITS output is down.
Blinking red
Unit MISMOUNT: the system is configured for a different mode, or the
mounted unit is not intended for use in the current configuration.
Green
Normal operation (in service).
Off
Standby or out of service.
LINE
Red
An incoming AIS, an LOS on the DS1 clock inputs, or a loss of pointer (LOP) on
the STS-1.
Yellow
An AIS or RFI has been detected on the incoming line.
Off
Normal operation (in service).
Summary of Contents for FLM 150 ADM
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