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Network Video Server User’s Guide
47
PoE (Power over Ethernet) Support
Power over Ethernet uses single Ethernet cable to transmit both power and data.
For PoE to work, the electrical current must go into the data cable at the power-supply end, and
come out at the device end, in such a way, as shown below, that the current is kept separate from
the data signal so that neither interferes with the other. The current enters the cable by means of a
component called an injector.
As the NETWORK IP CAMERA 550710 and NETWORK VIDEO SERVER 550000 are PoE
compatible, then they will function properly without modification when connected to PoE injector
directly using standard LAN cable as shown below.
Power over Ethernet (PoE)
Injector
Connect to Ethernet
Connect Ethernet from PoE
Injector
NOTE
As the embedded PoE modules of NETWORK IP CAMERA 550710 and NETWORK
VIDEO SERVER 550000 are sli
g
htl
y
different from IEEE 802.3af standard, use
recommended PoE injector only. (Ask to where you bought 550710 or 550000)
Some of PoE switches in the market are not compatible with NETWORK IP CAMERA
550710 and NETWORK VIDEO SERVER 550000, although connecting to that switches does
not cause damage to both ends.