Catalyst 4948, optnl sw, 48-Port 10/100/1000+4 SFP, no p/s
Catalyst 4948E, opt sw, 48-Port 10/100/1000+ 4 SFP+, no p/s
Catalyst 4948, ES s/w, 48-Port 10/100/1000+4 SFP, 1 AC p/s
Catalyst 4948, IPB s/w, 48-Port 10/100/1000+4 SFP, 1 AC p/s
Catalyst 4948, optnl sw, 48*10/100/1000+2*10GE(X2), no p/s
Catalyst 4948, ES Image, 48*10/100/1000+2*10GE(X2), 1 AC p/s
Catalyst 4948, IPB s/w, 48*10/100/1000+2*10GE(X2), 1 AC p/s
4 port wire speed 10GE card
8 port 2:1 10GbE (X2) line card for 4900M series
Catalyst 4948 Fan Tray (Spare)
Catalyst 4948E Spare Fan Tray
Base system with 8 X2 ports and 2 half slots
Catalyst 4928, no p/s, 28x 1GBase-X SFP, 2x 10GBase-X X2
Catalyst 4948 IP Base Upgrade License for LAN Base IOS