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Connecting an external device
Using the provided PC connection cable “SCU-20” or another optional cable, the
transceiver can be connected to a personal computer as a COM port for the following
operations:
• Transferring GPS location data and import route mapping information into the
computer software
• Updating the transceiver firmware
• Packet communication
The DATA jack on the rear side of the transceiver permits connecting external devices
such as a computer. The pin assignment of the DATA jack is shown below.
DATA
jack
PKD (packet data input)
GND
PSK (PTT)
RX 9600 (9,600 bps packet data output)
RX 1200 (1,200 bps packet data output)
PK SQL (squelch control)
CTS (data communication control)
RTS (data communication control)
Connecting to a computer
Preparation
• Computer
• PC connection cable “SCU-20” (supplied)… When connecting to the USB jack of the
computer
To the transceiver
To the computer
(USB jack)
Tips
• Make sure to turn off the transceiver before connecting any cables.
• When using the SCU-20 PC connection cable, install the designated driver on the computer.
Download the driver and installation manual from the Yaesu website.
