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7/21/98 Serial Communications 4-1
SERIAL COMMUNICATIONS
The printer has one RS-232 serial communications port located on
the printer’s side. The port is 16450 UART-compatible and supports up
to 115k baud.
Connector Pinouts
The external connection to the port is an 8-pin mini-DIN receptacle.
The connector pin outs are:
Pin Signal Direction
1 RTS (Request to Send) Out
2 CTS (Clear to Send) In
3 RXD (Received Data) In
4 GND (Ground)
5 TXD (Transmitted Data) Out
6 DSR (Data Set Ready) In
7 DTR (Data Terminal Ready) Out
8 DCD (Data Carrier Detect)
(optional +5 volts)
Out
4