522306 - Black Box NULL MODEM ADAPTER DB25-M/M PINNING A 522306 - Black Box NULL MODEM ADAPTER DB25-M/M PINNING A $40.28 $22.38
522301 - Black Box NULL MODEM ADAPTER DB25-M/F PINNING B 522301 - Black Box NULL MODEM ADAPTER DB25-M/F PINNING B $56.50 $31.39
522304 - Black Box NULL MODEM ADAPTER DB25-M/F PINNING A 522304 - Black Box NULL MODEM ADAPTER DB25-M/F PINNING A $44.41 $24.67
522303 - Black Box NULL MODEM ADAPTER DB25-F/F PINNING B 522303 - Black Box NULL MODEM ADAPTER DB25-F/F PINNING B $48.15 $26.75
522305 - Black Box NULL MODEM ADAPTER DB25-F/F PINNING A 522305 - Black Box NULL MODEM ADAPTER DB25-F/F PINNING A $40.28 $22.38
3043 - C2G 25FT DB25 M/M NULL MODEM CABLE Cables To Go's line of Null Modem serial cables allows two DTE or DCE devices to communicate with no conflict in data transmission. The transmit and receive signals are crossed to ensure proper data... $36.04 $20.02