CB80 Thermal POS printer User’s manual
16
5.5 Serial port pin definition
（
DB9F
）
Printer serial port is compatible with RS-232, the interface socket is DB9 female socket.
User can check interface setting status via printing setting self-test page. Printer default serial interface is set as:
baud rate 19200bps, 8 bit data bits, no parity,1 bit stop bit, and the handshakes method is DTR/DSR
。
Pin number
Definition
1
CD
2
TD
3
RD
4
DSR
5
GND
6
DTR
7
CTS
8
RTS
9
RI
5.6 Ethernet interface pin definition
（
RJ45
）
Pin number
Definition
1
TX+
2
TX-
3
RX+
4
n/c
5
n/c
6
RX-
7
n/c
8
n/c
