NEC NEAX 2000IVS2 Installation Manual page 299

SWITCH NAME
SW3 (DIP SW)
ON
1 2 3 4
JPS (Jumper pin)
JPR (Jumper pin)
E1Z (Jumper pin)
SRT (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: When the power is on, flip the MB switch to ON (UP position) before plugging/unplug-
ging the circuit card.
NOTE 2: The time slot number 0 and 28 (TS0/28) cannot be used for control signal.
NOTE 3: This setting must be identical with the opposite DAID card.
2
NEAX2000 IVS Installation Procedure Manual
ND-70928 (E), Issue 1.0
CHAPTER 3 LAMP INDICATIONS AND SWITCH SETTINGS
SWITCH SETTING
NUMBER POSITION
1
ON
2
ON
3
ON
4
OFF
Right
Left
Right
Left
Right
Left
Right
Left
FUNCTION
Always set to ON
Always set to ON
Always set to ON
Always set to OFF
Balanced transmission: 120 ohms
(For twisted-pair cable)
TA is grounded on the transmission
line: 75 ohms (For coaxial cable)
RA is grounded on the transmission
line: 75 ohms (For coaxial cable)
Balanced transmission: 120 ohms
(For twisted-pair cable)
Line impedance: 75 ohms (For coax-
ial cable)
Line impedance:
120 ohms (For twisted-pair cable)
Line impedance:
75 ohms (For coaxial cable)
Line impedance:
120 ohms (For twisted-pair cable)
in the SETTING POSITION
PN-DAIE (DAI)
CHECK
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