NEC 2000 IVS Manual de usuario Pagina 88

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CHAPTER 4 ND-45504 (E)
Page 72
Revision 2.0
PN-24DTA (DTI)
PN-24DTA (DTI)
1. Locations of Lamps, Switches, and Connectors
PN-24DTA (DTI) Card
2. Lamp Indications
Lamp Indications
LAMP NAME COLOR FUNCTION
RUN Green Flashes at 120 IPM while this card is operating normally.
CRC Red Lights when detecting Cyclic Redundancy Checking (CRC) errors.
PCM Red Lights when detecting PCM signal loss.
FRM Red Lights when detecting a Frame Alignment signal loss.
RMT Red Lights when receiving a Frame Alignment signal loss alarm from a distant office.
AIS Red
Lights when a pattern of consecutive “1” bits is received. The distant office transmits this
signal for a loop-back 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
SENS
RUN
MB
SW
CRC
PCM
FRM
RMT
AIS
BL
JPS
JPR1
JPR0
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