D-SUB 25 Pin Female, D-SUB 37 Pin Male, AWG28, Cable length 1Meter ^^ Industry-standard interfacing RS232 and RS485 mating configurations per EIA standards; ^^ Multiple shielding layers help minimize electromagnetic interference. ^^ Engineered with molded strain relief for durability, grip treads for easy plugging and unplugging, and finger-tightened screws for a secure connection. ^^ Inserts are flame-retardant thermoplastic;