Fits Radio Model FT-450, FT-450D, FT-950, FTDX-1200, FTDX-3000, Yaesu Interface Cables include data, cloning and "CAT" computer interface connections. Developed or selected by Yaesu engineers for specific transceiver models and specific functions, these are original Yaesu cables. Pinout assignments for this lead are:- Pin No color assignment direction,

1, orange +13.8v to the amp,
2, yellow TX GND to the amp,
3, green GND,
4, red BAND-DATA-A to the amp,
5, white BAND-DATA-B to the amp,
6, blue BAND-DATA-C to the amp,
7, violet BAND-DATA-D to amp,
8, brown TX INH to radio,
9, black EXT ALC to radio,
10, gray TX REQ to radio,
shield light blue shield.