Porti-KT40 Rev. 3.0
12
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The Porti-KT40 printer has a serial(RS-232C or RS-485) interface is connected by means of a 9 pin
D-sub(Female Type) connector. In the following table, the signals present on the connector are
listed:
Pin No. Signal Name
Direction
Function
2
TxD
Output
Transmit Data
3
RxD
Input
Receive Data
5
GND
Ground
9
Vpp
12VDC / 3A
<D-Sub 9p Female >