8 Appendix
360
S84-ex/S86-ex Operator Manual
8.13.3
RS-232C Interface
This interface complies with the RS-232C standard.
Basic Specifications
Asynchronous ASCII Half-duplex communication
Bi-directional communication
Data Transmission Rate 2400, 4800, 9600, 19200 (default), 38400, 57600, 115200 bps
Transmission Form Start, b1, b2, b3, b4, b5, b6, b7, b8, Stop
“b8” will be omitted if using 7 bit oriented.
Data Length 7 or 8 bits (default)
Stop Bit 1 (default) or 2 bits
Parity Bit ODD, EVEN, NONE (default)
Codes Used ASCII Character Codes: 7 bits, Graphics: 8 bits
Control Codes STX (02H), ETX (03H), ACK (06H), NAK (15H)
Connector DB-9 Female or equivalent
Signal Levels High = +5 to +12 V, Low = -5 to -12 V
Protocol Ready/Busy, XON/XOFF, Status3, Status4, Status5 (default)
When compatible mode is ON: Status2
Connector Pin Specifications
Pin No. I/O Description
1 - Data Carrier Detect
2 Input Receive Data
3 Output Transmit Data
4 Output Data Terminal Ready
5 Reference Signal Ground
6 Input Data Set Ready
7 Output Request To Send
8 Input Clear To Send
9 - Not connected
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