XRJ-45A: Reverse PoE A <--> B mode converter
Crossover adapter for mode A 568A to 568B converter
Product Details and Specifications:
• Data is on all 4 pairs ( CAT-5e twisted pairs)
• Data Rate: 10/100/1000 mb/s
• Ethernet cable CAT-5e
• UTP AWG 24 wire
• Color: Green
• Connector RJ45 male (data only) female (power and data)

In this adapter, the mode A pairs ( 1&2 and 3&6 ) are reversed, this allows a PoE injector or switch to be power reversed. If your PoE injector offers 1&2 – and 3&6 + , this device will swap the power for you.
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