Cisco WS-C2950-12 Hardware Installation Manual page 26

Features
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Catalyst 2950 Desktop Switch Hardware Installation Guide
1-2
Catalyst 2950G-12-EI—12 10/100 Ethernet ports and 2 Gigabit Interface
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Converter (GBIC) module slots
Catalyst 2950G-24-EI—24 10/100 Ethernet ports and 2 GBIC module
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slots
Catalyst 2950G-24-EI-DC—24 10/100 Ethernet ports and 2 GBIC
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module slots with direct current (DC)-input power
Catalyst 2950G-48-EI—48 10/100 Ethernet ports and 2 GBIC module
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slots
Catalyst 2950SX-24 switch—24 10/100 Ethernet ports and
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2 1000BASE-SX ports
Catalyst 2950T-24 switch—24 10/100 Ethernet ports and 2 10/100/1000
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Ethernet ports
On Catalyst 2950G-12-EI, 2950G-24-EI, 2950G-24-EI-DC, and
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2950G-48-EI switches, support for these GBIC modules:
1000BASE-SX GBIC
1000BASE-LX/LH GBIC
1000BASE-ZX GBIC
1000BASE-T GBIC (model WS-5483)
Coarse Wave Division Multiplexer (CWDM) fiber-optic GBIC
GigaStack GBIC
Configuration
– For 10/100 ports, autonegotiates the speed and duplex settings
For 10/100/1000 ports, autonegotiates the speed and supports only
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full-duplex mode
For 100BASE-FX ports, supports only 100-Mbps and full-duplex
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settings
For 1000BASE-SX ports, supports only 1000-Mbps and full-duplex
–
settings
Supports 8192 MAC addresses
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Checks for errors on a received packet, determines the destination port,
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stores the packet in shared memory, and then forwards the packet to the
destination port
Chapter 1 Overview
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