NEC Neax 2000 IVS2 Manual page 177

CHAPTER 4 CIRCUIT CARD INFORMATION
PN-30DTC-A (DTI)
SWITCH
NAME
JPS
(Jumper Pin)
JPR
(Jumper Pin)
JP
(Jumper Pin)
The figure in the SWITCH NAME column and the position in
column 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: Set the groove on the switch to the desired position.
NOTE 2: When the power is on, flip the MB switch to ON (UP position) before plugging/
unplugging the circuit card.
Page 166
SWITCH SETTING
NUMBER POSITION
UP
DOWN
UP
DOWN
RIGHT
LEFT
FUNCTION
Balanced transmission
(For twisted-pair cable)
TA is grounded on the transmission
line (For coaxial cable)
Balanced transmission
(For twisted-pair cable)
RA is grounded on the transmission
line (For coaxial cable)
Line impedance: 75 ohms
(For coaxial cable)
Line impedance: 120 ohms
(For twisted-pair cable)
in the SETTING POSITION
CHECK
(Continued)
2
NEAX2000 IVS ISDN System Manual
ND-70919 (E), Issue 1.0