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STEP-5e User Manual
5.3 Power Port Definition
：
Note
Strictly prohibit unplug the cable while the printer is power on.
When arranging the line of communication, you have to avoid paralleling with the strong
current.
You have to use the shielded communication line.
5.4 Other Optional Interface
Serial Interface
Serial interface is compatible with RS-232 standard, with 9 pin socket.
Figure 5-3
PIN NO.
Signal Name
1
2
3
SHELL
Figure 5-4-1a
PIN Out
Signal Name
1
2
3
4
5
6
7
8
9
Page 20
+24V
GND
N.C
F.G
-
TXD
RXD
-
GND
RTS
CTS
RTS
-
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