Epson TM-U300PC Manual do Utilizador descarregar pdf (Página 12)

6-1. Interface Connector

<D-SUB 25 Female Serial> <Centronics Parallel>

Serial Interface

PIN SIGNAL I/O DESCRIPTION

2 TXD Output Printer transmit data line RS-232C level

3 RXD Input Printer receive data line RS-232C level

4, 20 DTR Output Printer handshake to host line RS-232C level

6 DSR Input Data Send Ready

1, 7 GND - System Ground

USB Interface

PIN SIGNAL I/O DESCRIPTION

1 +5V - +5V

2 DATA- - Printer transmit data line

3 DATA+ - Printer transmit data line

4 GND - System Ground

6. Interface

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 18

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Epson TM-U300PC Manual do Utilizador Página 12