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CHAPTER 2 INSTALLATION
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NWA-008869-001 Rev.1.0
atch2001.fm
Lamp Indications
LAMP
NAME
COLOR FUNCTION
RUN Green Flashes at 120 IPM when this card is normally operating.
PCM Red Remains lit when detecting PCM signal loss.
FRM Red Remains lit when detecting Frame Alignment signal loss.
MFRM Red Remains lit when detecting Multi-Frame Alignment signal loss on time
slot 16.
RMT Red Remains lit when receiving the alarm from a distant office because
Frame Alignment signal loss has been detected at the distant office.
MRMT Red Remains lit when receiving the alarm from a distant office because
Multi-Frame Alignment signal loss has been detected at the distant
office.
AIS Red Remains lit when indicating that the pattern of consecutive “1” is being
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
INSTALLATION PROCEDURE