Техническая Спецификация для HP E2520-24G-PoE J9299A
Модели
J9299A
4
• Physical security:
– Front-panel buttons: provides the ability to
disable reset and clear buttons on front panel for
added security
added security
– Kensington Lock: 2520-8-PoE and
2520G-8-PoE switches include a Kensington Lock
slot for securing the switches in open-space
deployments
slot for securing the switches in open-space
deployments
Convergence
• LLDP-MED (Media Endpoint Discovery): a
standard extension of LLDP that automatically
configures network devices such as IP phones
configures network devices such as IP phones
• IP multicast snooping and data-driven
IGMP: automatically prevents flooding of IP
multicast traffic
multicast traffic
• Voice VLAN: uses LLDP-MED to automatically
configure VLAN for IP phones
Flexibility
• Quiet operation:
– Fanless design (2520-8-PoE and
2520G-8-PoE switches): enables quiet
operation for deployment in open spaces
operation for deployment in open spaces
– Variable-speed fans (2520-24-PoE and
2520G-24-PoE switches): improves fan speed
for the operating environment while keeping noise
and energy consumption levels to a minimum
for the operating environment while keeping noise
and energy consumption levels to a minimum
• Flexible mounting:
– Rackable: is mountable in a standard 19-inch
rack with included hardware (2520-8-PoE and
2520G-8-PoE rack kit available free of charge via
the Web)
2520G-8-PoE rack kit available free of charge via
the Web)
– Wall mountable: allows the switch to be
mounted to a wall using included hardware
– Surface mountable: allows the product to be
mounted above or below a surface (such as a
desk or table) with included hardware
desk or table) with included hardware
• Compact size: products are designed to reduce
space requirements (see product specifications for
exact dimensions)
exact dimensions)
Product architecture
• Energy-efficient design:
– Fans: fanless (2520-8-PoE and 2520G-8-PoE)
and variable-speed fans (2520-24-PoE and
2520G-24-PoE) help reduce power consumption
2520G-24-PoE) help reduce power consumption
– Port LEDs: port link and activity LEDs can be
turned off to conserve energy
– Port low-power mode: when no link is
detected on a port, the port will automatically go
into low-power mode to conserve energy (2520G
switch)
into low-power mode to conserve energy (2520G
switch)
Warranty and support
*Hardware warranty replacement for as long as you own the product, with next business day advance replacement (available in most countries) with a five-year hardware warranty
replacement for the disk drive included with HP AllianceONE Services zl Module, HP Threat Management Services zl Module, HP PCM+ Agent with AllianceONE Services zl
Module, and HP E-MSM765 zl Mobility Controller. For details, refer to the HP Software License, Warranty, and Support booklet at
replacement for the disk drive included with HP AllianceONE Services zl Module, HP Threat Management Services zl Module, HP PCM+ Agent with AllianceONE Services zl
Module, and HP E-MSM765 zl Mobility Controller. For details, refer to the HP Software License, Warranty, and Support booklet at
www.hp.com/networking/warranty
.
• Lifetime warranty: for as long as you own the
product with advance replacement and
next-business-day delivery (available in most
countries)*
next-business-day delivery (available in most
countries)*
• Electronic and telephone support: limited
electronic and telephone support is available from
HP; refer to
HP; refer to
www.hp.com/networking/warranty
for
details on the support provided and the period
during which support is available
during which support is available
• Software releases: refer to
www.hp.com/networking/warranty
for details on
the software releases provided and the period
during which software releases are available for
your product(s)
during which software releases are available for
your product(s)