GFU27 User Guide
Version
3.0
13
3
MODEM CONFIGURATION
3.1
Default settings
The radio modem is shipped with the following default settings (unless otherwise specifically
ordered):
DEFAULT VALUES OF THE ADJUSTABLE SETTINGS ( the user can change these settings
later on )
Setting
Default value
Range
Radio frequency
Operating TX frequency
438.000 MHz
Range: 403-473 MHz
Operating RX frequency
438.000 MHz
Range: 403-473 MHz
Reference Frequency
438.000 MHz
Range: 403-473 MHz
Channel Spacing
25 kHz
Range:12.5, 20 or 25 kHz
Radio settings
Tx Power
1000 mW
Range: 100, 200, 500 or 1000 mW
Signal threshold
-112 dBm
80-118 dBm
FCS OFF
ON/OFF
Tx-Start Delay
0 ms
0-65535 ms
Radio Compatibility
SATEL 3AS
SATEL 3AS, Option1=PCC 4-FSK,
Option 2=PCC GMSK, 3=TrimTalk
*)
Addressing
RX Address
OFF
ON/OFF
TX Address
OFF
ON/OFF
RX addressing to RS port
OFF ON/OFF
TX address auto switch
OFF
ON/OFF
Serial port 1
Status ON
ON
Interface LVTTL
Fixed
Data speed
19200 bps
300, 600, 1200, 2400, 4800, 9600,
19200, 38400
Data bits
8
7, 8, 9
Parity bits
None
None, Even, Odd
Stop bits
1 1,
2
Handshaking
Handshaking lines apply to the DATA-port.
CTS
Clear to send
Clear to send, TX buffer state
CD
Data on channel
RSSI- threshold, Data on channel,
Always ON
RTS
Flow Control
Ignored, Flow Control, Reception
Control
