Compatible with: Catalyst 6500/6000 Supervisor Engine I, II, and 720,
Catalyst 5500/5000 Supervisor Engine I and II,
Catalyst 5500/5000 Supervisor Engine II G and III G,
Catalyst 4500/4000 Supervisor Engine II/II /III/IV,
Catalyst 1900, 2820, 2900, 3500XL, 2940, 2950, and 2955 Series,
Catalyst 2970, 3550, 3560, and 3750 Series,
Catalyst 2948G, 2948G-L3, 2980G, 4840G, 4908G-L3, and 4912G,
MANY other models.