Yaesu SCU-17

With the Yaesu SCU-17 USB interface unit you can use it for CAT control of a Yaesu transceiver via a computer with USB connection. For communication using SSTV, RTTY and PSK digital modes.

Note : Yaesu does not produce CAT, SSTV, RTTY or PSK control software

Provides CAT communication via USB when the PC does not have an RS-232C port.

Has a USB audio system so that the TX and RX audio can be accessed via the USB cable.

Has a dual-channel USB serial device and allows different transmission modes and CAT communication at the same time.

• No external power required, works via USB


• Provides high RF isolation via photorelay.


• TX and RX audio controls on the front panel.


• LED indicators monitor the PTT and FSK controls.

Features Yaesu SCU-17 USB interface unit

• Voltage: 5.0 V ±5%, (negative ground)


• Consumption: 130mA


• Data connection: PTT: maximum output +25 V, 50 mA / FSK: maximum output +25 V, 50 mA / DATA-IN: 100 mVrms @ 10 k Ohm / DATA-IN: 100 mVrms @ 600 Ohm


• FSK/PTT Connection: PTT: maximum output +30 V, 250 mA (open drain) / FSK: maximum output +30 V, 250 mA (open drain)


• Audio Connection: AUDIO-IN: 100 mVrms @ 600 Ohm / AUDIO-OUT: 100 mVrms @ 600 Ohm


• CAT/RS-232 Connection: RS-232C voltage level


• USB Connection: USB 1.1 or USB 2.0, USB bus power supply


• Dimensions: L 111 mm x H 26 mm x W 74 mm


• Weight: 230 grams

Required cables

• Standard cable: Yaesu FT-450 / Yaesu FT-950 / Yaesu FT-DX1200 /


• Yaesu CT-62 CAT interface cable: Yaesu FT-817 / Yaesu FT-818 / Yaesu FT-897


• Yaesu SCU-21 interface cable: Yaesu FT-2000 / Yaesu FT-DX5000


• Yaesu SCU-22 interface cable: Yaesu FT-DX9000

Package contents

• 1x Yaesu SCU-17 USB interface unit


• 1x RS-232C cable (Female - Female)


• 1x Connector cable MDIN6P - MDIN6P


• 1x 3.5 mm Stereo plug PTT/FSK and audio