1 to 4 PoE Extender

[TonyR]

I just got one of these to use at the end of a 300' run to connect 2 cameras. Seems to work fine so far. Now id like to power an extra IR illuminator from one of the 2 unused ports. What type of device would I get?

I cannot attest to this device personally, but perhaps it would work for you, if the IR illuminator is 12VDC , NOT over 15 watts (1.25 amps) and uses a female 5.5mm x 2.1mm power connector:

Waterproof 802.3af PoE Splitter, PLUSPOE 12V Power Over Ethernet for Non-PoE Devices IP Cameras up to 328 Ft from PoE Switch & Injector, 10/100Mbps

Based on comments I would still protect it from direct exposure to the elements. You would use only the 12VDC output and seal off the unused RJ-45 male Ethernet connector with coax seal (self-curing rubber tape) over-wrapped tightly with electrical tape.

 

[Mike4030]

I cannot attest to this device personally, but perhaps it would work for you, if the IR illuminator is 12VDC , NOT over 15 watts (1.25 amps) and uses a female 5.5mm x 2.1mm power connector:

Yes its 12v 1 amp with the same connector.