●
Connection of signals 1-43
1.5.3-11 External communication (RS-232C)
External equipment is connected to the IJ printer by serial communication of
RS-232C.
(a) Wiring
Attaching screw: inch screw
Substrate side connector: 9-pin D sub-connector (plug)
IJ printer
SD
Output
#3
RD
Input
#2
SG
External device
RD
SD
SG
FG
#5
ransmission
Reception
Cable length: maximum 5m
Caution
¡
Do not connect any signal other than #2, #3 and #5 since it is not used.
¡
Do not bundle it together with heavy-current signals inside and outside the
equipment so that it will not be influenced by noise from a heavy-current signals
(a connection signal to the power supply and the terminal block 2).
¡
Use a cable which is as short as possible.
Pin number Name Input/Output Remarks
1
(NC)
−
Unconnected
2
RD Input
3
SD Output
4
(NC)
−
Unconnected
5
SG
−
Ground
6
(NC)
−
Unconnected
7
(NC)
−
Unconnected
8
(NC)
−
Unconnected
9
(NC)
−
Unconnected
Summary of Contents for PXR-D
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