Medusa Pro 20 Pin adapter is intended to be used with Medusa Pro Box. Its pins are marked in accordance with Medusa Pro Box pinout.
This adapter has marked pinouts for JTAG and MMC interfaces, so you can easily find a required pin without checking the software. The adapter has external pads, so you can solder a wire of a required thickness. You can buy this adapter if you need few adapters with different pinouts or you just want to replace the one that has been included in Medusa Pro Box package.