Copyright © 1998 Cisco Systems, Inc. All Rights Reserved.
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Orderability
Following are part numbers for the Catalyst 1900 and 2820 series switches and modules.
Catalyst 1900/2820 Switches
Table 2 Catalyst 1900/2820 Standard Edition Switches
Fault Tolerance IEEE 802.1d Spanning Tree Protocol
One spanning tree per VLAN
Routed Information Protocol (RIP)
• Supports redundant backbone connections and loop-free networks
for improved fault tolerance
• Provides simplified network configuration and improved fault
tolerance for each VLAN
• Allows switches to automatically discover router gateway addresses.
Redundant Power Supply option • External RPS provides a redundant power source for up to four units
for improved fault tolerance
Low parts count design with 150,000 hours calculated MTBF • Designed to provide the highest reliability for maximum network
uptime
Rack-mountable 19-inch rack mountable. Catalyst 1900 is available in one rack unit-high
(1.73-in.) enclosure. Catalyst 2820 is available in two rack unit-high
(3.43-in.) enclosure
• Compliant with standard 19-inch rack mount scheme for easy
installation. Allows high density port allocation while conserving
valuable rack space in the wiring closet. At only 8.25-in. deep, the
Catalyst 1900 also affords easy desktop mounting
Product Number Product Description
WS-C1912-A Catalyst 1900 Standard Edition with 12 switched 10BaseT ports, two 100BaseTX ports, and 1024 MAC address cache. Software upgradable to
Enterprise Edition.
WS-C1912C-A Catalyst 1912 Standard Edition with 12 switched 10BaseT ports, one 100BaseTX port, one 100BaseFX port, and 1024 MAC address cache. Software
upgradable to Enterprise Edition.
WS-C1924-A 1900 Standard Edition with 24 switched 10BaseT ports, two 100BaseTX ports, and 1024 address cache. Software upgradable to Enterprise Edition.
WS-C1924C-A Catalyst 1900 Standard Edition with 24 switched 10BaseT ports, one 100BaseTX port, one 100BaseFX port, and 1024 MAC address cache. Software
upgradable to Enterprise Edition.
WS-C1924F-A Catalyst 1900 Standard Edition with 24 switched 10BaseT ports, two 100BaseFX ports, and 1024 MAC address cache. Software upgradable to
Enterprise Edition.
WS-C2822-A Catalyst 2820 Standard Edition with 24 switched 10BaseT ports, two high-speed expansion slots, and MAC address cache. Software upgradable to
Enterprise Edition.
WS-C2828-A Catalyst 2820 StandardEdition with24 switched 10BaseTports, two high-speedexpansion slots,and 8192 MACaddress cache. Softwareupgradable
to Enterprise Edition.
Table 1 Catalyst 1900 and 2820 Features and Benefits Summary (Continued)
Feature Description Benefits
(20 pages)
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