Converts DB9 connector to RJ45 female connector. You can configure your own specific pinouts or create custom serial connections. You can create custom connections to terminals, serial printers, modems, POS, and other serial devices. RJ45 Pin Out: 1-Blue, 2-Orange, 3-Black, 4-Red, 5-Green, 6-Yellow, 7-Brown, 8-White. High Compatibility: These systems can be used for computer related devices such as printers, mice, keyboards, networks and modems. Durability: This adapter has a DB9 female plug with flying leads, which gives you more tolerance when inserting the gold-coated pins to get a solid connection. When running serial connections over long distances, it is best to use telephone lines. Reduces signal loss and interference. These adapters are useful for running serial cables over long distances over network cables. Material: plastic+metal colour: as shown Package Contents: 5 x DB9 males 5 x DB9 females Only the above package content, other products are not included. Note: Light