SPRT SP-T5 User Manual page 14

Data Bit: 7 bit, 8 bit optional
Parity: Odd, Even, None optional
Stop Bit: 1 bit
The ex-factory default setting is:
Baud rate: 9600bps
Handshaking: hardware
Data Bit: 8 bit
Parity: none
User can change the settings by using the Setting Tool.
Definition for the PS/2 socket:
1.TXD: send data
2.DTR: ready signal
3.RXD: receive data
4.RTS: when the signal is "MARK", means printer is busy,
can't receive data; when the signal is "SPACE", means the
printer is ready to receive data.
5.GND: ground
6.NC: no connection
Notice: The pin of NC is kept for our other usage, developers
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