Ports and Main Accessory
66
Eight-pin port:
Named as COM 1/USB/PW1, Generally
used for the connection between the receiver mainframe
and computer, controller, or for data download and data
delete.
Signal Definition
Small Five-pin Signal
larger Eight-pin Signal
GND Earth
RXD Data Input
GND Earth
USB D-
Vin Power Input
USB D+
RXD Data Input
USB V+
TXD Data Output
Vin Power Input
GC-2 Cable Insert Mark
TXD Data Output
GND Earth
2. Cable Insert Mark GC-1, GC-2 signal can work with the
cable connect earth internal only.
3. All the round plug seats from Hi-Target name the pin by
positive counterclockwise; round plug name the pin by
welding face counterclockwise.
4. All above data output (TXD) and input( RXD) signal are
base on receiver. TXD is a signal transmit line for receiver
and RXD is receive line for receiver.
5. The connect signal for PC serial port DB9 are: 2 (RXD
computer data signal to receive)
，
3( TXD computer data
signal to transmit),5(GND earth). In a simple word “2 for
receiver 3 for transmit”
