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CHAPTER 4 CIRCUIT CARD INFORMATION
PN-24PRTA (PRT)
NEAX2000 IVS
2
ISDN System Manual
ND-70919 (E), Issue 1.0
Page 169
Lamp Indications
Switch Settings
LAMP
NAME
COLOR FUNCTION
RUN Green Flashes at 120 IPM while this card is operating normally
LC Green Remains lit when communications are normally ongoing with the
D channel data links connected
LPB – Not used
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 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.
SWITCH NAME
SWITCH
NUMBER
SETTING
POSITION
FUNCTION CHECK
SENSE
(Rotary SW)
NOTE 1
0-3 Not used
4-F Set the switch to match the AP Number (04-31) to
be set by CM05.
(Continued)
F
4
AP No.
SW1-4: ON
04 05 06 07 08 09 10 11 12 13 14 15
SW1-4: OFF
20 21 22 23 24 25 26 27 28 29 30 31
SW No.
456789ABCDEF