6' DB9 Female to DB25 Male Null Modem Cable

6' molded DB9 female to DB25 male null modem cable. Allows 2 computers to communicate without a modem. Enables a connection between 2 PCs or one PC and another serial device using its modem protocol. It is frequently used for setting up "head-to-head" gaming between 2 players at different computers in the same room. Transmit and receive signals are crossed.