Catalyst 4948, IPB s/w, 48-Port 10/100/1000+4 SFP, 1 AC p/s

Catalyst 4948, ES s/w, 48-Port 10/100/1000+4 SFP, w/o PSU

Base system with 8 X2 ports and 2 half slots

Catalyst 4948, ES Image, 48*10/100/1000+2*10GE(X2), 1 AC p/s

Catalyst 4948E, IPB, 48-Port 10/100/1000+ 4 SFP+, AC p/s

Catalyst 4948E, ES, 48-Port 10/100/1000+ 4 SFP+, AC p/s

Cat 4948E-F, IPB, 48x 10/100/1000+ 4 SFP+, AC PS, Fr Ext

Catalyst 4948E, opt sw, 48-Port 10/100/1000+ 4 SFP+, no p/s

Cat 4948E-F, ES, 48x 10/100/1000+ 4 SFP+, AC PS, Fr Ext

Cat 4948E-F,opt sw,48x 10/100/1000+ 4 SFP+,no PS,Fr Ext