NEC NEAX2000 IVS2 Installation Manual page 329

CHAPTER 3 LAMP INDICATIONS AND SWITCH SETTINGS
PN-30CCTA (CCT)
SWITCH
NAME
JPS
(Jumper pin)
JPR
(Jumper pin)
JP
(Jumper pin)
JP1 (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 300
SWITCH SETTING
NUMBER POSITION
RIGHT
LEFT
UP
DOWN
RIGHT
LEFT
DOWN
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 Ω
(For coaxial cable)
Line impedance: 120 Ω
(For twisted-pair cable)
Always set to DOWN
in the SETTING POSITION
NEAX2000 IVS
CHECK
2
Installation Procedure Manual
ND-70928 (E), Issue 3.0