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Model 256/PC Instruction Manual
PRINTER HOOKUP
An RS-232C port is provided on the rear panel (Figure 2) to accommodate an 80-column serial
printer.
1.
Prepare printer for use and connect it to its proper power source, in accordance with the
printer manufacturer's manual.
2.
Connect printer interface cable to the PRINTER/SERIAL connector on the rear panel of
Model 256/PC.
3.
On the printer, turn printer switch ON, and verify that the printer's SELECT light is on.
4.
Set Model 256/PC power switch to ON.
5.
Press the up or down arrow to step through the menu to reach SET BAUD RATE.
6.
Press MENU RUN to initiate setting the baud rate.
7.
If the display reads "Baud Rate 1200," press RESET to continue.
8.
If the display shows: "Baud Rate 9600," press the down arrow to change to 1200 and then
press MENU RUN.
Data Format
If the printer was not provided by Cablescan, the following setup data are required:
Transmission to the printer is at 1200 Baud, with 8 data bits, 1 stop bit, and no parity. Pin
assignments are as follows:
Printer Cable
The printer connector on the Model 256/PC is also used for external control signals that are not
printer related. Therefore, a fully loaded 25-pin printer cable should not be used. The pin
assignments for the printer are as follows:
Pin #
3
7
11
Description
Receive Data
Signal Ground
Supervisory
Send Data
Symbol
Direction
RD
To Printer
SG
SSG
From Printer
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