NEC NWA-008869-001 Manual Do Utilizador
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.
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.
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.
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.
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