Connecting A Printer - Scantronic 808 Installation And Programming Manual

3. Installation
Figure 18 shows how to connect a day lamp on a keyswitch. See "4. Pro-
gramming - Example 3 Keyswitches" for details of programming the output.
2 or 3 Position Keyswitch
Figure 18. Connecting a Ready Lamp on a Keyswitch

Connecting a Printer

Connect a printer to the three-pin printer connector on the 808 main pcb,
See "1. Overview - Figure 1".
The three pin connection is designed to drive any compatible serial printer
unit (for example the Scantronic 9685 or 947). The print connector output is
formatted at 4800 Baud, 8 bits, even parity and one stop bit.
The pins on the connecter are:
Pin
1
2
3
Voltage Levels are 0V and 5V for the 'TX and 'DTR' signals.
Use Menu 09 in Installer Mode to control the printer (see "6. Testing").
24
Off
Full
Part
Designation
0V
TX
DTR
496234
Red Day
Light
1k 0
OP3 or 4
+ve
12V Aux
-ve