Back in 2016 I made TNC for my Yaesu FT-817nd, Here are details & parts list:

  • CT-62 USB CAT Cable
  • USB Sound Adapter
  • Mini DIN 6 male connector
  • 2 pair wire

Tools required: 

  • Wire stripper
  • Wire cutter
  • Soldering Iron
  • Flux
  • Lead free solder
  • Soldering clamp

Here is a diagram of FT-817  ports

 

 

Picture source: https://www.yo3ggx.ro/ft8x7datav2/FT817_DIY_data_modes_interface_v2.0.pdf

Here is a slide show of how to solder connections.

Attaching TNC to Radio

First SSTV Image received:

 

73,

2E0UMR.