WS-C4900M Base system with 8 X2 ports and 2 half slots
WS-X4920-GB-RJ45 20 port 10/100/1000 RJ45
WS-C4928-10GE Catalyst 4928, no p/s, 28x 1GBase-X SFP, 2x 10GBase-X X2
WS-C4948 Catalyst 4948, optnl sw, 48-Port 10/100/1000+4 SFP, no p/s
WS-C4948-10GE Catalyst 4948, optnl sw, 48*10/100/1000+2*10GE(X2), no p/s
WS-C4948-10GEBDL Green Bundle 10x WS-C4948-10GE
WS-C4948-10GE-E Catalyst 4948, ES Image, 48*10/100/1000+2*10GE(X2), 1 AC p/s
WS-C4948-10GE-S Catalyst 4948, IPB s/w, 48*10/100/1000+2*10GE(X2), 1 AC p/s
WS-C4948E Catalyst 4948E, opt sw, 48-Port 10/100/1000+ 4 SFP+, no p/s
WS-C4948-E Catalyst 4948, ES s/w, 48-Port 10/100/1000+4 SFP, 1 AC p/s
WS-C4948E-E Catalyst 4948E, ES, 48-Port 10/100/1000+ 4 SFP+, AC p/s
WS-C4948E-F Cat 4948E-F,opt sw,48x 10/100/1000+ 4 SFP+,no PS,Fr Ext
WS-C4948E-F-E Cat 4948E-F, ES, 48x 10/100/1000+ 4 SFP+, AC PS, Fr Ext
WS-C4948E-F-S Cat 4948E-F, IPB, 48x 10/100/1000+ 4 SFP+, AC PS, Fr Ext
WS-C4948E-S Catalyst 4948E, IPB, 48-Port 10/100/1000+ 4 SFP+, AC p/s
WS-C4948-S Catalyst 4948, IPB s/w, 48-Port 10/100/1000+4 SFP, 1 AC p/s
WS-C4948-BDL Green Bundle 10x WS-C4948
WS-C4948E-BDL Green Bundle 10x WS-C4948E
WS-C4948E-F-BDL Green Bundle 10x WS-C4948E-F