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PoE Switches

GV-POE0801
(1)
Geovision
Number of Ports8 Power Budget130 Watt ManufacturerGeovision
+
$150.47
GV-POE1601
Save
11%
Geovision
Number of Ports16 Power Budget250 Watt ManufacturerGeovision
+
$335.00 $299.00
GV-POE2411
Save
38%
Geovision
Number of Ports24 Power Budget400 Watt ManufacturerGeovision
+
$767.00 $479.00
GV-POE0400
Save
36%
Geovision
Number of Ports5 Power Budget70 Watt ManufacturerGeovision
+
$104.00 $66.08
GV-POE2401
Save
36%
Geovision
Number of Ports24 Power Budget400 Watt ManufacturerGeovision
+
$662.00 $424.48
GV-POE1611
Save
36%
Geovision
Number of Ports16 Power Budget250 Watt ManufacturerGeovision
+
$611.00 $392.00
GV-POE0800
Save
33%
Geovision
Number of Ports8 Power Budget130 Watt ManufacturerGeovision
+
$173.00 $116.57
GV-POE0810
Save
34%
Geovision
Number of Ports8 Power Budget130 Watt ManufacturerGeovision
+
$227.00 $150.47
GV-POE0811
Save
37%
Geovision
Number of Ports8 Power Budget130 Watt ManufacturerGeovision
+
$331.00 $206.97
GV-POE0410-E
Save
34%
Geovision
Number of Ports4 Power Budget30 Watt ManufacturerGeovision
+
$263.00 $174.20
GV-POE0812
Geovision GV-POE0812 8-Port Gigabit Fully Managed PoE Switch Save
34%
Geovision
Number of Ports8 Power Budget130 Watt ManufacturerGeovision
+
$437.00 $287.20

Power over ethernet can be very convenient considering running cable and powering surveillance equipment can be time consuming and expensive. Power over ethernet saves time and money by powering the camera and transmitting video all from one cable. Using a PoE switch or injector with a PoE enabled camera, a security camera installer only needs to run one cable to the camera. 

For multiple cameras, a PoE switch is recommended. A switch is also recommended if more cameras will be added in the future. 

If only one or two cameras will ever be installed, an injector will be cheaper. Ethernet cables are composed of 4 small "twisted pairs" of cables that go inside a sheath. On either side there are RJ45 connectors which combine the small cables into the connector. PoE uses one of the pairs to provide electric current which powers the camera. PoE enabled cameras can detect electricity and use it to boot up. Alternatively, a traditional analog camera can be powered the same way by using a balun. Baluns are used to transmit analog video, which is normally transmitted on coaxial cable, on ethernet cable. Some baluns even have a connector that "steals" a little but of electricity from the wires to power the camera.