Xiegu XPA125B - FT-817/8 Adapter Owner's Manual
Below you will find brief information for CN-20. This adapter connects the FT-817/818 radio to the XPA125B amplifier. It supports manual mode (requiring band switching) and future automatic mode (for power control via PTT/ALC signals). It enables power amplification while adhering to amateur band restrictions.
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Key features
Connects FT-817/818 to XPA125B amplifier
Manual mode requires manual band switching on XPA125B
Future automatic mode for power control via PTT/ALC signals
Adheres to non-amateur band transmission restrictions
Uses 8-pin and 6-pin cables for manual setup
Frequently asked questions
Insert the 8-pin cable into the "FROM FT-817" port and FT-817's ACC port, then the 6-pin cable into "TO XPA125B ACC" and XPA125B's ACC port.
Yes, you must manually switch the XPA125B's frequency band to match the FT-817's current band.
No, non-amateur frequency bands cannot be transmitted.
Automatic mode (not yet activated) uses a 3.5mm stereo cable to connect "TO XPA125B COMM" to XPA125B's COMM port, allowing FT-817 to control XPA125B's output power via PTT/ALC signals.