Serial Interface And Ethernet Interface - Element RW973 User Manual

5.4 Serial interface and Ethernet interface

Printer RW973 serial interface is compatible with RS-232 standard, with 9 pin (D hole
type) socket.
Serial interface definition
PIN No.
PIN 1
PIN 2
PIN 3
PIN 4
PIN 5
PIN 6
PIN 7
PIN 8
PIN 9
Signal definition
-
TXD
RXD
-
GND
DTR
CTS
RTS
-
Ethernet interface definition
PIN No. Signal definition
1
2
3
4
5
6
7
8
22
RW973 User Manual
TX+
TX-
RX+
n/c
n/c
RX-
n/c
n/c