RTcom Radio Modems - Manual (Page 15)

15
On the Global and Max modems two dip switches are provided for the selection of the desired
operating mode and two plug links are provided from the selection of 2 or 4 wire RS485 operation. A
further DIP switch is provided on the Global modem for frequency Channel selection.
Switch Number Function
1 Baud Rate (See Table)
2 Baud Rate (See Table)
3 8 or 9 bit data (Off = 8-bit, on = 9-bit)
( excluding 1 start and stop bit)
4 Spare
5 Spare
6 Spare
7 Spare
8 Test Mode ( Off = Run, on = Test mode)
Data Format Mode switch function SW1
Switch Number Function
1 Spare
2 Spare
3 On = RS485 / RS422
4 On = RS232
Interface Mode switch SW2
Note: The Europa is fully electronically programmable. Europa users should consult the programming
toll on the disk provided with the modem.
Mode SW1,1 Mode SW1,2 Data Rate
Off Off 2400 bps
On Off 4800 bps
Off On 9600bps
On On 19200bps
Date rate setting table subject to version constraints listed above.
Test mode is provided exclusively to assist installation. Whenever test mode is selected the modem
will produce a test transmission to aid both antenna alignment and propagation tests. Effectively the
modem transmits a string of data at your desired data rate. This data message usually " Radio-Tech
RTcom Modem" can be used during commissioning to prove the link both with respect to the radio and
cable paths.