Wiring Method
Section 4-4
4-9
4-4-2 Host Communications Cabling
4-4-2-1 RS-232C Interface Cabling
Host computer
SG
SD
RD
+
-
FG
SG
SD
RD
3
2
1
4
5
Shield wire
Reder/Writer
(COM1, COM2)
Pin layout when cable connector on
Reader/Writer is viewed from engaging face
2
3
5
4
1
Caution
•
The shield wire must always be grounded on the host side.
•
Internally short-circuit pins 7 (RS) and 8 (CS).
•
Leave the pin for RS-485 unconnected.
•
Cables must not be longer than 15 meters.
Antenna cable
V720-A40
Power cable
Host communications
cable
!