Need more RS232 and DB9 on your Mini2440? Add up to two more with this adapter. The 12 inch cable fits the white sockets behind the DB9 on the board and lets you use the COM1 and COM2 TTL compatible connectors with RS232 cables. Jumpers configure as DCE (MODEM) like the one on the Mini or as a DTE like your PC. You can also put one on COM0 to get a DTE connection. The Mini comes configured as DCE with no way to change it on the board.