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Switch Overview

Switch Features

The features of the HP 1820 Switches include:

■ 8, 24, or 48 auto-sensing 10/100/1000BASE-T RJ-45 ports.

■ 2 or 4 SFP slots for HP SFP transceivers (1820-24G, 1820-24G-PoE+, 1820-

48G, and 1820-48G-PoE+ Switches only)

■ plug-and-play networking—all ports are enabled—just connect the

network cables to active network devices and your switched network is

operational.

■ IEEE 802.3ab Auto MDI /MDI-X on all twisted-pair ports, meaning that all

connections can be made using straight-through twisted-pair cables.

Cross-over cables are not required, although they will also work. The pin

operation of each port is automatically adjusted for the attached device:

if the switch detects that a 10/100/1000 Mbps switch or hub is connected

to the port, it configures the port as MDI; if the switch detects that a 10/

100/1000 Mbps end-node device is connected to the port, it configures the

port as MDI-X.

■ all switches support IEEE 802.3az Energy Efficient Ethernet (EEE)

features that reduce power consumption when connected with EEE-

compliant client devices.

■ automatic learning of MAC addresses in each switch’s 8K-address (8- and

24-port switches) or 16K-address (48-port switches) forwarding table.

■ automatically negotiated full-duplex operation for all 10/100/1000BASE-T

RJ-45 ports when connected to other auto-negotiating devices

■ easy management of the switch through several available interfaces:

• Web browser interface — an easy to use built-in graphical interface

that can be accessed from common Web browsers.

• Intelligent Management Center (iMC) — allows network

administrators to discover and map the switches within their network

and launch the built-in graphical interface from within iMC to

configure the switches.

■ support for up to 64 IEEE 802.1Q-compliant VLANs so you can divide the

attached end nodes into logical groupings that fit your business needs.

■ support for up to 16 trunks (48-port switches) so you can assign physical

links to one logical link (trunk) that functions as a single, higher-speed

link providing dramatically increased bandwidth.

■ support for many advanced features to enhance network performance—

for a description, see the Management and Configuration Guide.

■ download of new switch software for product bug fixes.

HP J9979A Installation And Getting Started Guide

Other manuals for HP J9979A