– 389 – NWA-008853-001 Rev.3.0
97ch4001.fm
Lamp Indications
LAMP
NAME
COLOR FUNCTION
RUN Green Flashes at 120 IPM while this card is operating normally.
CRC Red Remains lit when detecting Cyclic Redundancy Checking (CRC)
errors.
PCM Red Remains lit when detecting PCM signal loss.
FRM Red Remains lit when detecting Frame Alignment signal loss.
RMT Red Remains lit when receiving Frame Alignment signal loss alarm from a
distant office.
AIS Red Remains lit when a pattern of consecutive “1” is received. The distant
office transmits this signal for a loopback test.
BL Red B channel status
ON : More than 10 channels are busy
OFF : All channels are idle
Flash (60 IPM) : Only one channel is busy
Flash (120 IPM): 2 through 10 channels are busy
PN-24DTA-C (DTI)
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