How Does a PoE Switch Work? – Versitron

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How Does a PoE Switch Work?
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A Basic Introduction to PoE Technology
PoE is a special networking feature, which allows
network cables to carry both - electrical current
and data to a device at the same time. Although
data and current are transmitted using the same
cable, they use a different set of wires.  This
technology governs the working of any networking
equipment, and helps ensure the interoperability
between different devices connected in a network.
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PoE Switches and their Working Explained
The power over Ethernet (PoE) switch features
several Ethernet ports to ensure consistent power
supply and network communications to devices
connected to it. These switches may be operated
in any of the following configurations

• Mode A Configuration In this configuration, the
  switch delivers power and data through the same
  wire.
• Mode B Configuration In this configuration, the
  switch delivers power and data through different
  wires.
• Most industrial PoE switches feature 5 or 8
  ports, whereas non-industrial PoE switches may
  have 8, 24 or 48 ports. These switches are
  classified into two types managed and unmanaged
  switches.

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Three Reasons to Consider PoE Switches for Your
Industrial Applications

• Reliability These switches are universally
  compatible and can be used to reset or disable
  devices. Additionally, these switches can be
  equipped with an uninterrupted power supply.
• Flexibility The powerful combination of wireless
  technology and PoE creates a cable-free
  environment, which assures hassle-free working of
  devices connected to them.

• Cost-efficient The PoE Switches reduces the need
  for additional electrical power cabling, as in
  other traditional technologies. All these assure
  significant savings in terms of installation
  costs, maintenance costs, and human efforts.

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Three Key Applications of Industrial PoE Switches
Owing to the above-discussed advantages, PoE
switches are used in various applications. The
following are three key applications

• IP Cameras Most networked surveillance cameras
  used in offices and industrial locations are
  PoE-driven. These camera systems receive power
  and data from PoE switches. Nowadays, it has
  become mandatory to use these switches to ensure
  the safety of people and surroundings. PoE
  switches manufactured by VERSITRON allow a user
  to extend their IP Camera signaling over fiber
  optic cable for enhanced security and distance
  extension.

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• Wireless Networks PoE switches have contributed
  to the growth of wireless networks. They help
  avoid huge installation costs associated with
  access points and controllers to a great extent.
  Bluetooth Apps, RFID readers, and Wifi devices
  are devices that utilize wireless networks for
  their functioning. These devices can be easily
  relocated to a new site depending on use.

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• VoIP Phones This PoE application utilizes a
  single connection to the wall socket. PoE
  switches have contributed to the increasing use
  of VoIP phones for business communication.

After understanding how the PoE switch operates
and its increasing use in various industrial
applications, it is important to source them from
a reliable manufacturer and supplier. Versitron
is a leading manufacturer and provider of
industrial PoE switches in different
configurations. These switches can support
ethernet, fast ethernet, as well as gigabit
ethernet applications over fiber for enhanced and
secure communication links.
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