NEC NEAX 2000 IPS Installation Manual page 400

SWITCH
NAME
SW3 (Dip SW)
ON
1 2 3 4
JPS (Jumper pin)
JPR (Jumper pin)
The figure in the SWITCH NAME column and the position of
umn indicate the standard setting of the switch. When the switch is not set as shown by the figure and
, the setting of the switch varies with the system concerned.
NOTE 1: When the power is on, flip the MB switch to ON (UP position) before plugging/unplugging the
circuit card.
SWITCH SETTING
NUMBER POSITION
ON
1
OFF
ON
2
OFF
ON
3
OFF
4
OFF
UP
DOWN
UP
DOWN
FUNCTION
Set the equalizer according to the cable
length between the system and the
CSU.
SW SW SW
3-1 3-2 3-3
ON ON ON
ON ON OFF 40 - 80 m
ON OFF ON
ON OFF OFF 120 - 160 m
OFF ON ON
OFF OFF OFF Signal is not sent
Always set to OFF
Neutral grounding on the transmitting
line is provided.
Neutral grounding on the transmitting
line is not provided.
Neutral grounding on the receiving line
is provided.
Neutral grounding on the receiving line
is not provided.
– 384 –
PN-DAIB (DAIB)
CABLE
LENGTH
0 - 40 m
(0-131.2 ft.)
(131.2-262.5 ft.)
80 - 120 m
(262.5-394 ft.)
(394-525 ft.)
160 - 200 m
(525-656 ft.)
in the SETTING POSITION col-
NWA-008841-001 Rev.5.0
CHECK
90ch3003.fm