Catalyst 2960S 48 GigE, 2 x SFP LAN Lite WS-C2960S-24TS-S Catalyst 2960S 24 GigE, 2 x SFP LAN Lite WS-C2960S-24TSS-RF Cat 2960S 24 GigE, 2 x SFP LAN Lite REMANUFACTURED WS-C2960S-48TSS-RF Cat 2960S 48 GigE, 2 x SFP LAN Lite REMANUFACTURED C2960S-STACK Catalyst 2960S FlexStack Stack Module optional for LAN Base C2960S-STACK= Catalyst 2960S Flexstack Stack Module C2960S-STACK-RF Catalyst 2960S Flexstack Stack Module REMANUFACTURED SFP-10G-LR= 10GBASE-LR SFP Module SFP-H10GB-CU1M= 10GBASE-CU SFP+ Cable 1 Meter SFP-H10GB-CU3M= 10GBASE-CU SFP+ Cable 3 Meter SFP-H10GB-CU3M 10GBASE-CU SFP+ Cable 3 Meter SFP-H10GB-CU1M 10GBASE-CU SFP+ Cable 1 Meter GLC-GE-100FX= 100BASE-FX SFP for GE SFP port on . GLC-T= 1000BASE-T SFP GLC-BX-D= 1000BASE-BX SFP, 1490NM GLC-BX-U= 1000BASE-BX SFP, 1310NM CWDM-SFP-1470= CWDM 1470 NM SFP Gigabit Ethernet and 1G/2G FC CWDM-SFP-1490= CWDM 1490 NM SFP Gigabit Ethernet and 1G/2G FC CWDM-SFP-1510= CWDM 1510 NM SFP Gigabit Ethernet and 1G/2G FC CWDM-SFP-1530= CWDM 1530 NM SFP Gigabit Ethernet and 1G/2G FC CWDM-SFP-1550= CWDM 1550 NM SFP Gigabit Ethernet and 1G/2G FC CWDM-SFP-1570= CWDM 1570 NM SFP Gigabit Ethernet and 1G/2G FC CWDM-SFP-1590= CWDM 1590 NM SFP Gigabit Ethernet and 1G/2G FC CWDM-SFP-1610= CWDM 1610 NM SFP Gigabit Ethernet and 1G/2G FC