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CHAPTER 3 LAMP INDICATIONS AND SWITCH SETTINGS
PN-24PRTA (PRT)
NEAX2000 IVS
2
Installation Procedure Manual
ND-70928 (E), Issue 1.0
Page 295
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.
4
5
6
7
8
9
A
B
C
D
E
F
Содержание NEAX 2000IVS2
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