9 Technical Specifications
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9-23
9.11 RS232 Serial Interface
DATA FORMAT
8N1 (8 data bits, no parity, 1 stop bit)
BAUD RATE
9600 Bd
CONNECTOR TYPE
9-pin Sub-D connector
HANDSHAKE
selectable:
- Xon/Xoff
- RTS/CTS
- no handshake
PIN ASSIGNMENTS:
PIN-No. Orientation
Signal
Description
1
Input
DCD (Data Carrier Detect)
2
Input
RD (Receive Data)
Received Data
3
Output
TD (Transmit Data)
Sent Data
4
Output
DTR (Data Terminal Ready)
5
GND
Signal Ground
6
Input
DSR (Data Set Ready)
7
Output
RTS (Request to Send)
8
Input
CTS (Clear to Send)
9
Input
RI (Ring Indicator)
Table: PIN assignment RS232
1
2
3
4
5
6
7
8
9