Black Box Serial Null Modem Cable - DB-9 Female Serial - DB-9 Female Serial - 50ft - Beige
50FT IBM AT-AT NULL MODEM FF
Guaranteed for life! Gray PVC jacket with metal (EMI/RFI) hoods. Has 115-ohm nominal impedance at 1 MHz or above. Crosses Pins 2 and 3 for RS-232 standards compliance. Ideal for AT-to-AT file transfers.