IBM TF7 Benutzerhandbuch
Installing the SureMark Printers
Installing for RS-232/RS-485 Communication
1. Power the system off and disconnect the RS-232 power supply.
2. Locate the rear cable connectors.
3. If you are using the RS-232 communication port:
a. Check the settings on the RS-232 mode switch, which is near the rear
cable connections. (See Figure 4.) See “RS-232 Communication Mode
Selections” on page 23 for information on switch settings.
Selections” on page 23 for information on switch settings.
Note: If the RS-232 communication cable has only 3 wires or if the system
output is 3 pins (2 signals and a ground), you must use XON/XOFF
mode.
mode.
b. Connect the power supply to the printer.
4. Connect the RS-485 or RS-232 communication cable to the correct port.
RS 232
Mode
Switch
Mode
Switch
Cash
Drawer
Port
Drawer
Port
Power Supply
Port (RS 232
Only)
Port (RS 232
Only)
RS 232
Port
Port
RS 485 Port
1
2
OFF
Figure 4. Cable Connectors and RS-232 Settings Switch for Thermal/Impact SureMark Printers. (View is from the
bottom rear of the printer.)
bottom rear of the printer.)
updated March 18, 2002
12
SureMark DBCS User’s Guide