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Cisco WS-C2950-12
 Catalyst 2950-12 switch with 12 10/100 ports |  | WS-C2950-24
 Catalyst 2950-24 switch with 24 10/100 ports |  | Cisco WS-C2950C-24
 Catalyst 2950C-24 switch with 24 10/100 ports and two fixed 100BaseFX Uplink ports |
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Cisco WS-C2950T-24
 Catalyst 2950C-24T switch with 24 10/100 ports and two fixed 1000BaseT Uplink ports |  | Cisco WS-C2950T-48-SI

|  | Cisco WS-C2950G-12-EI
 Catalyst 2950G-12 switch with 12 10/100 ports and 2 GBIC ports |
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Cisco WS-C2950G-24-EI
 Catalyst 2950G-24 switch with 24 10/100 ports and 2 GBIC ports |  | Cisco WS-C2950G-48-EI
 Catalyst 2950G-48 switch with 48 10/100 ports and 2 Gigabit Interface Converter (GBIC)-based GE ports |  | Cisco WS-C2950SX-24
 Catalyst 2950SX-24 switch with 24 10/00 ports and two fixed 1000BaseSX Uplink ports |
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Cisco WS-C2950SX-48-SI

|  | Cisco WS-2970G-24T-E

|  | Cisco WS-C2970G-24TS-E

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Cisco WS-C2580-A

|  | Cisco WS-C3550-12G
 10 GBIC-based Gigabit Ethernet ports and 2 10/100/1000 ports; EMI installed |  | Cisco WS-C3550-12T
 10-10/100/1000BaseT ports and 2 GBIC-based Gigabit Ethernet ports; EMI installed |
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Cisco WS-C3550-24-SMI
 Catalyst 3550-24 multilayer switch with 24 10/100 ports and 2 GBIC-based Gigabit Ethernet ports; SMI installed |  | Cisco WS-C3550-24-FX-SMI
 Catalyst 3550-24-FX multiplayer switch with 24100FX multimode fiber ports and 2 GBIC-based Gigabit Ethernet ports; SMI installed |  | Cisco WS-C3550-24 PWR-EMI

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Cisco WS-C3550-24-PWR SMI

|  | Cisco WS-C3550-24-EMI
 Catalyst 3550-24 multilayer switch with 24 10/100 ports and 2 GBIC-based Gigabit Ethernet ports; EMI installed |  | Cisco WS-C3550-48-SMI
 Catalyst 3550-48 multilayer switch with 48 10/100 ports and 2 GBIC-based Gigabit Ethernet ports; SMI installed |
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Cisco WS-C3550-48-EMI
 Catalyst 3550-48 multilayer switch with 48 10/100 ports and 2 GBIC-based Gigabit Ethernet ports; EMI installed |