NEC NEAX 2000IVS2 Installation Manual page 321

Lamp Indications
LAMP
COLOR
NAME
RUN Green
LC Green
LPB –
CRC Red
PCM Red
FRM Red
RMT Red
AIS Red
BL Red
Switch Settings
SWITCH NAME
SENSE
(Rotary SW)
F
4
NOTE 1
2
NEAX2000 IVS Installation Procedure Manual
ND-70928 (E), Issue 1.0
CHAPTER 3 LAMP INDICATIONS AND SWITCH SETTINGS
Flashes at 120 IPM while this card is operating normally.
Remains lit when communications are normally ongoing with the
D channel data links connected.
Not used
Remains lit when detecting Cyclic Redundancy Checking (CRC)
errors.
Remains lit when detecting PCM signal loss.
Remains lit when detecting Frame Alignment signal loss.
Remains lit when receiving Frame Alignment signal loss alarm
from a distant office.
Remains lit when a pattern of consecutive "1" is received.
The distant office transmits this signal for a loop-back test.
B channel status
ON
OFF
Flash (60 IPM) : Only one channel is busy
Flash (120 IPM) : 2 through 10 channels are busy
SWITCH SETTING
NUMBER POSITION
0-3 Not used
4-F Set the switch to match the AP Number (04-31) to
be set by CM05.
SW1-4: ON
AP No.
SW1-4: OFF 20 21 22 23 24 25 26 27 28 29 30 31
SW No.
FUNCTION
: More than 10 channels are busy
: All channels are idle
FUNCTION
04 05 06 07 08 09 10 11 12 13 14 15
4 5 6 7 8 9
PN-24PRTA (PRT)
A B C D E F
CHECK
(Continued)
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