Null modems are used to connect two computers or other devices together to achieve file transfer.
Null modem connectors are different from straight through connectors because the receive and transmit conductors are crossed.
This is a miniature null modem with a female connector on one side and a female on the other.

• DB 9 pin female to female null modem
• Slim profile reduces bending and provides a secure connection.
• These DB9 female to female adapters allow file transfer between two computers or other devices,as picture show.
• Connect two DTE or DCE devices with no conflict in data transmission,crossed receive and transmit conductors.
• Use this adapters to convert any DB9 cable with a male end to a null modem cable with a female end.

DB 9 pin female to female null modemLEMENG