– 397 – NWA-008841-001 Rev.5.0
90ch3003.fm
The figure in the SWITCH NAME column and the position of in the SETTING POSITION col-
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.
SW3 (Dip SW)
1 Always set to ON
2 Always set to ON
3 Always set to ON
4 Always set to OFF
JPS (Jumper pin) Balanced transmission: 120 Ω (For
twisted-pair cable)
LEFT
TA is grounded on the transmission
line: 75 Ω (For coaxial cable)
JPR (Jumper pin)
RIGHT
RA is grounded on the transmission
line: 75 Ω (For coaxial cable)
Balanced transmission: 120 Ω (For
twisted-pair cable)
E1Z (Jumper pin)
RIGHT
Line impedance: 75 Ω (For coaxial
cable)
Line impedance:
120 Ω (For twisted-pair cable)
SRT (Jumper pin)
RIGHT
Line impedance:
75 Ω (For coaxial cable)
Line impedance:
120 Ω (For twisted-pair cable)
SWITCH NAME
SWITCH
NUMBER
SETTING
POSITION
FUNCTION CHECK
1
2
3
4
ON
ON
ON
ON
OFF
RIGHT
LEFT
LEFT
LEFT
PN-DAIE (DAIE)
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