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NEAX2000 IVS
2
ISDN System Manual
Page 170 ND-70919 (E), Issue 1.0
CHAPTER 4 CIRCUIT CARD INFORMATION
PN-24PRTA (PRT)
MB (Toggle SW)
NOTE 2
UP For make-busy
For normal operation
SW0
(Piano Key SW)
1
NOTE 3
NOTE 4
ON
Source clock signal from network is
sent to the PLO0 input on MP card.
OFF
Source clock signal from network is
not sent to the PLO0 input on MP
card.
2
NOTE 3
NOTE 4
ON
Source clock signal from network is
sent to the PLO1 input on MP card.
OFF
Source clock signal from network is
not sent to the PLO1 input on MP
card.
3
ON
Remote loop-back
For normal operation
4
ON
Local loop-back (AIS send)
For normal operation
5
Set equalizer according to the cable
length between the PBX and the
MDF.
OFF
6
OFF
7
OFF
8 Not used
(Continued)
SWITCH NAME
SWITCH
NUMBER
SETTING
POSITION
FUNCTION CHECK
ON
DOWN
OFF
ON
5
6
7
8
1
2
3
4
OFF
OFF
ON
OFF
80-120 m (262.5-394 ft.)
SW0-5 SW0-6 SW0-7
CABLE LENGTH
ON ON
0-40 m (0-131.2 ft.)
40-80 m (131.2-262.5 ft.)
120-160 m (394-525 ft.)
160-200 m (525-656 ft.)
Signal is not sent
ONON ON
ONON OFF
OFFON OFF
ONOFF ON
OFFOFF OFF
ON
ON
OFF