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Connecting an external device
Using the optional Data cable, the transceiver can be connected to a personal computer
as a COM port for the following operations:
• Transfer GPS location data and export route mapping information to computer soft-
ware
• Packet communication
Use the DATA jack at the back of the main body to connect with the personal computer.
The pin assignment of the DATA jack is as follows.
DATA jack
PKD (packet data input)
GND
PSK
(
PTT
)
RX 9600 (9600 bps packet data output)
RX 1200 (1200 bps packet data output)
PK SQL (squelch control)
TXD (serial data output [transceiver
PC])
RXD (serial data input [transceiver
!
PC])
CTS (data communication control)
RTS (data communication control)
Connecting to a computer
z
Preparation
• Computer
• PC connection cable “SCU-20” (Included in optional SCU-40)…When connecting to
the USB jack of the computer.
To the transceiver
To the personal computer
(USB terminal)
• Data cable “CT-165” (optional)…When connecting to the RS-232C jack of the computer.
To the transceiver
To the personal computer
-
GND
-
-
-
-
TXD (serial data output [transceiver
PC])
RXD (serial data input [transceiver
!
PC])
CTS (data communication control)
RTS (data communication control)
-
TXD (serial data output [transceiver
PC])
RXD (serial data input (transceiver
!
PC])
-
GND
-
CTS (data communication control)
RTS (data communication control)
-
• Make sure to turn the transceiver OFF 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.