The Cisco Catalyst 1900 is a 19" rack mountable, managed (configurable) 10baseT ethernet switch with 100baseTX/100baseFX uplink ports.

Compatible with CCNA practice labs.

Features

* ISL trunking on fast ethernet ports

* VLANS (4 can be configured)

* SNMP

* Optional web based configuration

* IEEE 802.1d Spanning-Tree Protocol support with Port Fast [1] option.

* Up to 320-Mbps maximum forwarding bandwidth

* Up to 450,000 packets per second aggregate packet-forwarding rate.

Hardware

* Processor: Intel 80486

* RAM: 2 MB

* FLASH: 1 MB

* Backplane: 1 Gbit/s

* MAC Address table size: 1024

* 10BaseT ports 12 Full Duplex

* 100BaseTX ports 1 or 2 Full Duplex

* 100BaseFX ports 1 (on 1924F) Full Duplex

* AUI port

* Internal AC power supply

* DC connector for external DC power