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4.3
Connecting I/O Devices
Connecting the
To connect your printer, proceed as follows:
Printer to the
1. Switch off the PG 720 and the printer.
Parallel Port
2. Open the cover to the interface ports on the left-hand side panel.
3. Plug the printer cable into the LPT1 parallel port.
4. Connect the printer cable to the printer.
5. Screw the connector tight at the interface port.
Figure 4-3 Position of the Printer Ports
Caution
!
Risk of damage to the unit!
Switch the unit off before connecting the parallel printer to the LPT 1
port (the printer should also be switched off).
Make sure that you use the correct port. If you use the wrong port
or wrong connecting cables, the port may be damaged.
Before plugging in the cables, the electrostatic charge of your body, the
unit, and the cables must be equalized. To do this, touch the mounting
plate for the ports on the left-hand side of the unit.
Only use original connecting cables.
PG 720 PII Programming Device
C79000-G7076-C756-02
COM 2
(serial)
port
COM 1
(serial)
socket
Installing and Operating the PG 720
LPT 1
(parallel)
socket
4-7
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