Ohaus AS 142 Impact Printer - Manual (Page 8)

8
Serial Interface Connection Serial Interface Connection Serial Interface Connection Serial Interface Connection Serial Interface Connection
The 25 pin connector is located on the back of the printer. The serial interface is
standard RS232C compatible.
The operation procedure of the serial interface is shown as follows:
1. Select baud rate with DIP switches Sl-S3.
2. Select parity with DIP switches S4-S6.
Pin No. Signal
2 R x D
3 T x D
5 DTR
7 GND
8 CTS
PIN SIGNALS OF SERIAL INTERFACE TABLE
Ribbon Cassette - Loading Ribbon Cassette - Loading Ribbon Cassette - Loading Ribbon Cassette - Loading Ribbon Cassette - Loading
A ribbon cassette has been put inside of
the printer before packing. When the
printing becomes lighter after long use,
put in a new ribbon as follows:
1. Push forward the removable cover
plate with both thumbs. (Note the
arrow on the cover plate). Then take
off the cover plate carefully.
Correct Action