RS485 Null-Modem Cable, DB-9 Female to DB-9 Female, 4m
183283-04 - NI (National Instruments)
9-Pin Female DB-9 to 9-Pin Female DB-9 Serial Cable - The 9F-9F Serial Cable, sometimes referred to as GPIB Serial Cable, connects and controls GPIB devices using RS232 and RS485 serial ports. The 9F-9F Serial Cable is offered in different lengths.