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1.6 RS232C Connection
1.6.1 Cable Connection
RS232 Network spec
Pin assignment
Interface RS232C (9 pins)
Pin TxD (No. 2), RxD (No. 3), GND (No. 5)
Bit rate 9600 bps
Data bits 8 bit
Parity None
Stop bit 1 bit
Flow control None
Maximum length 4m (only shielded type)
Pin Signal
1 Detect data carrier
2 Received data
3 Transmitted data
4 Prepare data terminal
5 Signal ground
6 Prepare data set
7 Send request
8 Clear to send
9 Ring indicator
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