RJ45 to Serial Port Female to 9PIN Adapter 8P8C Module Modem Connector W1X1
1 9PIN Adapter. RJ45 Pin Outs: 1-Blue, 2-Orange, 3-Black, 4-Red, 5-Green, 6-Yellow, 7-Brown, and 8-White. It reduces signal loss and interference. Used for module RS232. Make customized serial connections.