LevelOne GEP-2421 Series User Manual

GEP-2421 Series
24-Port Gigabit PoE Switch,
802.3af/at PoE
User's Manual
FCC Warning
This device has been tested and found to
comply with limits for a Class A digital device,
pursuant to Part 15 of FCC Rules. These
limits are designed to provide reasonable
protection against harmful interference when
the equipment is operated in a commercial
environment. This equipment generates
and radiates radio frequency energy and, if
not installed and used in accordance with the
user's manual, it may cause interference in
which case users will be required to correct
interference at their own expenses.
CE Warning
This is a Class A product. In a domestic
environment, this product may cause radio
interference in which case the user may be
required to take adequate measures.
Introduction
This switch provides 24 10/100/1000M ports.
It was designed for easy installation and high
performance in an environment where traffic
is on the network and the number of users
increases continuously.
It consists of 24 PSE/PoE ports. That can
solve the limitation of the power outlet
location and offer the system designer a
flexible solution to locate the network device
everywhere.
The rack-mount size was specifically
designed for medium to large workgroups.
The Switch can be installed where space is
limited; moreover it provides smooth network
migration and easy upgrade to network
capacity. The 19" size can be rack-mount on
19" cabinet.
Package Contents
Before you start to install this switch, please
verify your package that contains the following
items:
 One PoE Giga Ethernet Switch
 One Power Cord
 One User's Manual
Note: If any of these items is found missing or
damaged, please contact your local supplier
for replacement.
Key Features
 24 Port 10/100/1000M Nway
(Auto-negotiation) Switch
 24 PSE/PoE function ports
 Supporting the power Max. 30 W for each
PSE/PoE port
 19" rack-mount size
 Auto-learning of networking configurations
 Auto-detect full/half-duplex modes for any
port
 Dedicated full-duplex 2Gbps bandwidth
 Store-and-Forward switching methods
 IEEE 802.3x flow control for full-duplex and
back-pressure flow control for half-duplex
 Non-blocking & Non-head-of-line blocking
full wire speed forwarding
 Auto-MDI/MDI-X function for any port
 Smart plug & play
Front Panel (LEDs)
LED Indicators of 24 Port PoE
10/100/1000M Switch
LED Status Description
Power On Power is on.
Off Power is off.
LAN Green On Connect in 1000Mbps.
Yellow On Connect in 10/100Mbps
Off No connection.
Flashing Data is transmitting or
receiving
PoE Yellow On Port is linked to Power
Device
Off No Power Device is
connected
Connections
Switch/Hub to this 24 Port PoE Giga
Ethernet Switch
This switch provides automatic crossover
detection functionality for any port.
simple and friendly to up-link to another
switch without crossover cable.
It is