9
RS-232 SERIAL INTERFACE
RS-232 SERIAL INTERFACE FOR CONNECTION TO A PC OR 3RD PARTY CONTROLER
1. Transmission rate: 115200bps
2. Data format: 8 data bits, No parity, 1 start bit and 1 stop bit
3. Flowing control: None
Also know as 115200,8,n,1
RS-232 Configuration
RS-232 cable is a straight thru cable and not null-modem
Definition
Pin
Pin
Definition
1
1
DCD
TX
2
2
RX
RX
3
3
TX
4
4
DTR
GND
5
5
GND
6
6
DSR
7
7
RTS
8
8
CTS
9
9
RI
RS-232
Data String Format
The data string must conclude with a period “.” (without the quotes).
All text is full ASCII Code and is NOT case sensitive.
Device
PC
