Black Box EDN12A-0500 RS-232 BULK SERIAL CABLE - SHIELDED, PVC, 12-CONDUCTOR, 500-FT. (152.4-M), GSA,

for Use With Rs-232, V. 35, Rs-422, And Rs-485 Interfaces. Distances Up To 500 Feet . Low Capacitance, Foil Shielded. Ideal Choice For Office Environm...