The Cisco Catalyst 1900 is a 19" rack mountable, managed (configurable)

10BASE-T 1 (one, unit, unity) is a number, numeral, and glyph. It is the first and smallest positive integer of the infinite sequence of natural numbers. This fundamental property has led to its unique uses in other fields, ranging from science to sp ...

Ethernet switch with

100BASE-TX In computer networking, Fast Ethernet physical layers carry traffic at the nominal rate of . The prior Ethernet speed was . Of the Fast Ethernet physical layers, 100BASE-TX is by far the most common. Fast Ethernet was introduced in 1995 as t ...

/100BASE-FX uplink ports. This product was popular in small office networks because of its features and price. This switch was sold until 2002, reaching end of life (EOL) in 2007 and is no longer supported by

Cisco Cisco Systems, Inc. (using the trademark Cisco) is an American multinational digital communications technology conglomerate corporation headquartered in San Jose, California. Cisco develops, manufactures, and sells networking hardware, s ...

.{{cite web , title=EOS/EOL for the Catalyst 1900 and 2820 Series Switches, url=http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps597/prod_end-of-life_notice0900aecd8055eb4d.html, url-status=dead, archive-url=https://web.archive.org/web/20160921205255/http://www3.cisco.com/c/en/us/products/collateral/switches/catalyst-2800-series-switches/prod_end-of-life_notice0900aecd8055eb4d.html, archive-date=21 September 2016

Models

The switch was available in 12-port and 24-port models with either two 100BASE-TX uplink ports or one fibre and one copper 100 Mbit/s uplink ports. In addition to this, one AUI port was available on the rear panel for connecting to fiber or legacy

10BASE2 10BASE2 (also known as cheapernet, thin Ethernet, thinnet, and thinwire) is a variant of Ethernet that uses thin coaxial cable terminated with BNC connectors to build a local area network. During the mid to late 1980s, this was the dominant ...

10BASE5 10BASE5 (also known as thick Ethernet or thicknet) was the first commercially available variant of Ethernet. The technology was standardized in 1982 as IEEE 802.3. 10BASE5 uses a thick and stiff coaxial cable up to in length. Up to 100 stat ...

networks. This switch is closely related to the Cisco Catalyst 2820 series, which uses the same software, and shares many of the same features

Software

The 1900 series software was available in two editions. Whilst the enterprise edition's

command-line interface A command-line interface (CLI) is a means of interacting with software via command (computing), commands each formatted as a line of text. Command-line interfaces emerged in the mid-1960s, on computer terminals, as an interactive and more user ...

(CLI) had a strong similarity to

IOS Ios, Io or Nio (, ; ; locally Nios, Νιός) is a Greek island in the Cyclades group in the Aegean Sea. Ios is a hilly island with cliffs down to the sea on most sides. It is situated halfway between Naxos and Santorini. It is about long an ...

, the switches ran a unique software which was neither IOS or

CatOS Catalyst is the brand for a variety of network switches, wireless controllers, and wireless access points sold by Cisco Systems. While commonly associated with Ethernet switches, a number of different types of network interfaces have been availa ...

. *Standard Edition - Menu based configuration. No CLI access available. Could be software upgraded to Enterprise Edition. *Enterprise Edition - Same as standard but with extra features enabled. CLI access is possible. The last software version released was 9.00.07 (2003).

Features

* ISL trunking on fast Ethernet ports *

VLAN A virtual local area network (VLAN) is any broadcast domain that is partitioned and isolated in a computer network at the data link layer ( OSI layer 2).IEEE 802.1Q-2011, ''1.4 VLAN aims and benefits'' In this context, virtual refers to a ...

S (4 can be configured) *

SNMP Simple Network Management Protocol (SNMP) is an Internet Standard protocol for collecting and organizing information about managed devices on IP networks and for modifying that information to change device behavior. Devices that typically su ...

*Optional web based configuration *

IEEE 802.1D IEEE 802.1D is the Ethernet Ethernet ( ) is a family of wired computer networking technologies commonly used in local area networks (LAN), metropolitan area networks (MAN) and wide area networks (WAN). It was commercially introduced in 1980 ...

Spanning-Tree Protocol support. *Support for 1024 MAC Addresses. *Up to 320-Mbit/s maximum forwarding bandwidth. *Up to 450,000

packets per second Network throughput (or just throughput, when in context) refers to the rate of message delivery over a communication channel in a communication network, such as Ethernet or packet radio. The data that these messages contain may be delivered over ...

aggregate packet-forwarding rate.

Hardware

*Processor:

Intel Intel Corporation is an American multinational corporation and technology company headquartered in Santa Clara, California, and Delaware General Corporation Law, incorporated in Delaware. Intel designs, manufactures, and sells computer compo ...

80486 The Intel 486, officially named i486 and also known as 80486, is a microprocessor introduced in 1989. It is a higher-performance follow-up to the Intel 386. It represents the fourth generation of binary compatible CPUs following the 8086 of 19 ...

RAM Ram, ram, or RAM most commonly refers to: * A male sheep * Random-access memory, computer memory * Ram Trucks, US, since 2009 ** List of vehicles named Dodge Ram, trucks and vans ** Ram Pickup, produced by Ram Trucks Ram, ram, or RAM may also ref ...

: 2 MB *

FLASH Flash, flashes, or FLASH may refer to: Arts, entertainment, and media Fictional aliases * The Flash, several DC Comics superheroes with super speed: ** Flash (Jay Garrick) ** Barry Allen ** Wally West, the first Kid Flash and third adult Flash ...

: 1 MB *Backplane: 1 Gbit/s *

MAC Address A MAC address (short for medium access control address or media access control address) is a unique identifier assigned to a network interface controller (NIC) for use as a network address in communications within a network segment. This use i ...

table size: 1024 *10BaseT ports 12 or 24 Full Duplex *100BASE-TX ports 1 or 2 Full Duplex *100BASE-FX ports 1 (on 1924F) Full Duplex *AUI port *Internal AC power supply *DC connector for external DC power (Cisco RPS)

History

The switch is based on a design purchased from

Grand Junction Networks Grand may refer to: People with the name * Grand (surname) * Grand L. Bush (born 1955), American actor Places * Grand, Oklahoma, USA * Grand, Vosges, village and commune in France with Gallo-Roman amphitheatre * Grand County (disambiguation), s ...

Original pricing approx US$900 for a WS-1912-C to approx US$1700 for a WS-1924-EN

References

Cisco products