Yaesu FIF-232C CAT, lights up but I’m not able to test it but it was removed from a functioning HF station. I have marked the condition as ‘parts only’ because it is not tested.

Online info:
The Yaesu FIF-232C CAT is an outboard interface system required by some Yaesu models for interfacing the radio to a serial port of a PC. The FIF-232C converts TTL levels required by the radio to the RS-232C levels required by the computer. There is an input jack on the front and a PTT input jack on the right side. The front panel also has a power On/Off switch and a power LED. The rear panel has a RS-232C DB-25F connector. The FIF232C includes the required cable to most applicable Yaesu radios. However, the user must supply their own standard RS232 serial cable from the Yaesu FIF232C to their PC. This is a standard cable obtainable from most computer suppliers. You will need to note how may pins (such as 9 or 25) on our your serial port to obtain the correct cable.

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73 Don VE7DXE