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1892 1335 - Orion Radio Modem Operating Instructions - v1.3 / Aug 2006 11
Links can be closed with a solder blob as shown in Figure 10 to select these options:
Option Choice Links
Protocol RS232 LK1 open
RS422/RS485 LK1 closed
Duplex Full duplex LK2 open
Half duplex LK2 closed
In/Out mode Full I/O + modem LK5 open
Modem only LK5 closed
Use of
Analogue Out 0
Analogue user
output
LK3 open, LK4 closed, LK6
1-2 open
For GMAX radios,
LK6 2-3 closed.
Power level is
preset HI or LO.
For other radios,
don’t care.
RSSI output LK3 closed, LK4 open, LK6
1-2 open
Variable power
control (GMAX
radios only)
LK3 open, LK4 open, LK6 1-2 closed, LK6 2-3
open
Using the GUI
Ensure that the serial comms port of the PC which is used to run the GUI program is
connected to the Orion using a suitable cable as described on page 9. The type of cable
depends on whether your Orion’s serial port uses RS232, RS422 or RS485.
v Note that this is NOT a standard serial cable, which must not be used.
The GUI must have been installed on the PC as described on page 9.
Switch on power to the Orion.
Start the GUI, typically by double-clicking the icon on the desktop, or selecting Start,
Programs, Wood & Douglas, Orion GUI. You should see a display similar to the following,
depending on whether you are currently able to connect to an Orion and what options are
in force: