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4-3 Link Unit
4-21
(A)
(B)
(C)
(D)
(E)
ANT PWR
SET UP
RS-422A/RS-485
RS-422A RD
(Receiving)
RS-422A SD (Sending)
RS-485
Connect a connector
(D-SUB 15-pin) of the
RS-422A/RS-485 link
unit connecting cable.
(Model V690-A5
!
)
Indicator "RUN"
Turns on when the 24
VDC power supply
turns on.
Indicator "ANT PWR"
Turns on when 24 VDC
is supplied to the
antenna.
Connect 24 VDC
power supply.
Ground accord-
ing to Class D.
Connect a communication
line of RS-422A/RS-485.
Switch Function