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Null Modem, DB9, F/F Slim Adapter 31.1 x 12.6mm
Used to convert a null modem M port to serial DB9 F
Otherwise known as DE9 or D-sub 9
Comes with pre-installed #4-40 UNC Hex screws
Low-profile slim design
Features gold plated contacts, for high transmission, reliability, and durability
Allows asynchronous data transmission according to the RS-232 standard