Campbell Scientific RF300-Series DRL VHF/UHF Radio Transceivers - Manual (Page 59)

J-1
APPENDIX J. CABLE PIN OUTS AND LED FUNCTION
FOR RF95A AND RF300
TABLE J-1. Radio 10 Pin RF Connector
10 Pin
Radio
Radio Description / Usage
1 Not used: TX Wideband (IN)
2 Not used: RX Wideband (OUT)
3 Not used: Frequency Select (IN)
Logic High = Freq. 1, GND = Freq. 2
4 Ground via pin 9
5 12VDC (IN)
6 Push To Talk [PTT] (IN) Logic High
7 Carrier Detect (OUT)
8 TX Data (IN)
9 Ground
10 RX Data (OUT)
TABLE J-2. RF95A 10 Pin RF Connector
10 Pin
Modem
RF Modem Description / Usage
1 RXD (IN)
2 GND
3 Frequency Channel 1 or 2
4 Not used
5 TXD (OUT)
6 TXD Return
7 Not used
8 Sleep Mode
9 Receive/Transmit Control
10 Not used
FYI - All unused pins of the RF
Modem are connected to Ground
on the RF Modem.
TABLE J-3. Radio to RF95A Cable Pin Outs
10 Pin 10 Pin Extra
Radio RF Modem Connections Description / Usage
1 8 Sleep Mode
2
3
3 Frequency Select (IN) Logic High.
No connection = Freq. 1; GND = Freq. 2
4 6 TX Ground
5 N/C Red wire 12VDC (IN to Radio)
6 9 PTT Button Push To Talk [PTT] (IN To Radio From RF Modem)
7 2 Carrier Detect (OUT From Radio To RF Modem)
8 5 TX Data (IN To Radio From RF Modem)
9 2 Black wire Ground
PTT Button Return
10 1 RX Data (OUT)