1-4
Switch Overview
Switch Hardware Features
Network Ports
■ Auto-sensing 10/100/1000BASE-T ports.
All these ports have the “Auto-MDIX” feature, which means that you can
use either straight-through or crossover twisted-pair cables to connect
any network devices to the switch.
■ Power-over-Ethernet or PoE ports.
The HP 1820 PoE+ switches support the IEEE 802.3at standard, which
allows IP telephones, wireless LAN Access Points, and other appliances
to receive power as well as data over existing LAN cabling. For further
information regarding PoE power, see the HP Power over Ethernet (PoE/
PoE+) Planning and Implementation Guide, which is on the HP Web site
at www.hp.com/support/manuals.
■ PoE PD port (1820-8G Switch only).
A network connection to the PoE PD port from a PoE PSE device powers
on the switch.
■ SFP slots for fiber or copper uplinks.
Using HP SFPs, these products support optional network connectivity
with the following speeds and technologies:
Transceiver Form-
Factor and
Connector
1
Speed Technology
Cabling
SFP Connector
100 Mbps
100-FX Fiber (multimode) LC
1 Gbps
1000-T Copper (twisted-pair) RJ-45
1000-SX Fiber (multimode) LC
1000-LX Fiber (multimode or single mode) LC
1
For supported transceivers, visit www.hp.com/networking/support.
– In the first textbox, type J4858 (for 100-Mb and Gigabit information).
– Select any of the products that display in the dropdown list. Then click Display
selected.
– Select Product support information. Then click Manuals and find the Transceiver
Support Matrix.
For technical details of cabling and technology, see “Cabling and Technology Information
Specifications” in Appendix A.
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