user manual

ND-45504 (E) CHAPTER 4
Page 75
Revision 2.0
PN-24DTA-A (DTI)
PN-24DTA-A (DTI)
1. Location of Lamps, Switches, and Connectors
PN-24DTA-A (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” is received. The distant office transmits this signal
for a loop-back test.
BL Red
B channel status
ON : More than 10 channels is 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
MAS
AISS
[When Card Issue No. is before 5A]
SENS
RUN
MB
SW
CRC
PCM
FRM
AIS
RMT
BL
JPS
JPR1
JPR0
MAS
AISS
[When Card Issue No. is after 5B]