Free Radio Network USB Interface

Components
R1 = 8k2 Ohm *
R2 = 150 Ohm
R3 = 330 Ohm
R4 = 12 Ohm
R5 = 1k5 Ohm
C1 = 4,7 µF (ELCO)*
C2 = 0,1µF *
C3 = 4,7µF
LED1 = Green LED
LED2 = Red LED
Cr1 = 6 MHz resonator *
IC1 = Elomax I/O Solution *
USB-connector *

Components with a * are in the I/O Solution package.

rig-keying
rig-keying
rig-keying

The green LED turns on if the interface is connected to the USB port. The red LED turns on if the gateway is transmitting.