NEC NEAX2000 IVS2 Installation Manual page 367

CHAPTER 3 LAMP INDICATIONS AND SWITCH SETTINGS
PN-DAIF (DAI)
Switch Settings
SWITCH
NAME
MB (Toggle SW)
ON
NOTE
SW1
(Piano Key SW)
OFF
4
3
2
1
ON
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SWITCH SETTING
NUMBER POSITION
UP
DOWN
1
OFF
ON
2
OFF
3
OFF
4
OFF
FUNCTION
For make-busy
For normal operation
Always set to OFF
Line impedance: 75 Ω
(For coaxial cable)
Line impedance: 120 Ω
(For twisted-pair cable)
Always set to OFF
Always set to OFF
NEAX2000 IVS
CHECK
2
Installation Procedure Manual
ND-70928 (E), Issue 3.0