Elation eNODE2 POE handleiding
Handleiding
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7
POWER OVER ETHERNET (POE) EXPLAINED
Power over Ethernet (POE) is a technology that lets network cables carry electrical power. Since
electrical currents flow in a loop, two conductors are required to deliver power over a cable. POE
treats each pair as a single conductor, and can use either the two data pairs or the two spare pairs to
carry electrical current.
Network cables, such as Cat 5e and Cat 6, comprise eight wires arranged as four twisted pairs. In 10
and 100BASE-T Ethernet, two of these pairs are used for sending information, and these are known
as the data pairs. The other two pairs are unused and are referred to as the spare pairs (Gigabit
Ethernet uses all four pairs).
POE is injected onto the cable at a voltage between 44 and 57 volts DC, and typically 48 volts is
used. This relatively high voltage allows efficient power transfer along the cable, while still being low
enough to be regarded as safe.
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Productinformatie
| Merk | Elation |
| Model | eNODE2 POE |
| Categorie | Verlichting |
| Taal | Nederlands |
| Grootte | 2382 MB |
