The 45279/11 BK199 from Alpha Wire is a black multi-pair cable with 22 conductors (11 twisted pairs) of 24 AWG, with foil and braid shielding, supplied in a 1000.0 ft (304.8 m) length.
The 45279/11 SL199 from Alpha Wire is a 22-conductor (11 twisted pair) multi-pair cable with slate jacket, 24 AWG conductors and foil, braid shielding, supplied in 1000.0 ft (304.8 m) lengths.