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PoE Splitter 48V to 12V

POE-SPL-48-12

Separates power from network data, so one cable carries both to a camera or device. Steps 48V down to 12V for devices that do not speak PoE.

Connectors: RJ45 / DC

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From its box

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End A

RJ45 (8P8C)

01 8 gold contacts The eight blades pierce the wire insulation to touch the copper directly — four pairs, two for transmit and two for receive.
02 Locking clip Snaps inside the socket so vibration cannot pull the plug out. A snapped clip is the number-one cause of intermittent network drops.
03 T568A vs T568B Two equivalent wiring standards: T568A puts the green pair on pins 1-2 and orange on 3-6; T568B swaps them. Performance is identical as long as both ends of the same cable use the same standard.
04 Strain-relief boot Stops the wires flexing where they leave the plug — the exact point most cables fail.
05 Outer jacket The outer sheath protecting the conductors inside from abrasion and moisture.

Technical illustration, not a photo of the actual product

End B

DC barrel plug

01 Inner pin Positive by the usual convention. Reversed polarity destroys a device instantly, so never assume compatibility from shape alone.
02 Outer barrel Negative. The barrel and pin diameters (5.5 × 2.1 mm, for example) are what actually decide whether it fits.
03 Strain-relief boot Stops the wires flexing where they leave the plug — the exact point most cables fail.
04 Outer jacket The outer sheath protecting the conductors inside from abrasion and moisture.

Technical illustration, not a photo of the actual product

How it works

Cable construction

Four pairs, each twisted at a different rate from its neighbour. The twisting makes both wires of a pair pick up identical noise, which then cancels when the far end subtracts them. That alone is why networking works over a hundred metres.

Technical illustration, not a photo of the actual product

Applications

Running a non-PoE camera from a PoE switch
Cutting the cable count to a camera point

Technical specifications

Connectors	RJ45 / DC

Compatible with

SFTP Cat7 Cable - 300m drum Outdoor UTP Cat6 Cable - 305m drum

Accessories

Power Adapter 12V 1A Power Adapter 5V 2A

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