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Desktop, Plugtop

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PoE is the designation used for power transfer via a standard Cat. 5/6 twisted pair cable, and not only al ows for the saving of the additional mains power line but also, thanks to the safe low voltage, can be laid by a non-professional. PoE works with voltages of less than 60 V and is therefore classified as SELV (Safety Extra Low Voltage). A distinction is drawn between injectors (PSE – Power Sourcing Equipment), which in turn can be designed as Midspan or Endspan, and consumers (PD-Powered Device).

 

Midspans use the spare pairs 4|5 and 7|8, while Endspans transfer power only via the data lines, pairs 1|2 and 3|6. In principle, there are two power classes according to IEEE: IEEE802.3af (15.4 W per port), and IEEE802.3at (30 W per port). There are also special classes: Ultra/Mega - PoE with 60 and 95W per port respectively.

 

Desktop and Plugtop versions are straightforward injectors, which in most cases are configured with IEC320-C14 (cold device plugs) or, in rare cases, also as plug-in power units. Likewise, Midspans, i.e. hubs, are often designed as tabletop units, in order to impose power on an existing Ethernet switch. In this case there are 4, 8, 16 and more channels to choose from, with power values of up to 60 W per port.

Our suppliers in this category Desktop, Plugtop:

PHIHONG

PHIHONG is a global leader in the development of world-class power solutions and a leading supplier of External Power Adapters, PoE Midspans, Splitters and Injectors, Qi Modules, and LED drivers.

INFOSAMPLESContact

Your contact :

Your contact for PHIHONG:  Andreas Hanausek
Andreas Hanausek
Product Line Manager
+43 1 86305-131

SILVERTEL

SILVER TELECOM Ltd. specialises on developing miniaturized electronic modules. SILVERTEL's product portfolio include Power over Ethernet (IEEE802.3at/af, ultra and HDBaseT), Telephony interfaces wireless chargers (Qi) and battery charging controllers.

INFOSAMPLESContact

Your contact :

Your contact for SILVERTEL:  Andreas Hanausek
Andreas Hanausek
Product Line Manager
+43 1 86305-131

Order now: Samples Desktop, Plugtop

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