Vszerda DTech 6ft DB9 RS232 Serial Cable Male to Female Extension Simple Null Modem Cord Cross TX RX Line 2 Pin Crossed for Computer Switch Router Data Communication (6 Feet, Black)

Simple 6ft serial null modem extension cable Male to Female 3 wire crossed without handshaking: connect 2 DTE devices with 9pin 2 row COM port RS-232 compatible interface (NOT 15 pin 3 row VGA video)

9 pin serial cable male to female port cord is wired as DE9 simple null modem cord that 2-3 line are crosslinked (only TX/RX and signal ground wires connected); AL foil shielded crossover rs232 cable

DB9 m/f adapter extender equipped with screws on each end to ensure an easy and solid connection for stable serial cross data communication

9 prong DB9 m/f adapter extender is equipped with screws to ensure an easy and solid connection for stable serial cross over data communication

6 feet long RS232 cable male to female for hooking up RS232C PC laptop, desktop computer, switch hub, router to transfer file, share resource, direct serial communication link, debugging , testing