PPD3 User Manual
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7.5 Serial Interface and Ethernet Interface
Printer serial interface are all compatible with RS-232 standard, with 25 pin (D hole type) socket.
User can gain the setting of interface via printing configuration sample; the default setting of serial interface is as
follow, 9600 bps (baud rates), 8 bit (data bit), 1 bit (stop bit), no parity, support RTS/CTS handshaking protocol.
Serial Interface Definition
Ethernet Interface Definition
PIN No.
Signal definition
PIN1
Frame Ground
PIN2
TXD
PIN 3
RXD
PIN 4
RTS
PIN 5
Unconnected
PIN 6
DSR
PIN 7
GND
PIN 8~19
Unconnected
PIN 20
DTR
PIN 21~25
Unconnected
PIN No.
Signal definition
1
TX+
2
TX-
3
RX+
4
n/c
5
n/c
6
RX-
7
n/c
8
n/c
Figure 7.5.1
Summary of Contents for PPD3
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