9/36VDC In, 24V Gigabit Passive 4 Pair PoE Inserter (TP-DCDC-1224G-4P)

Gigabit DC to DC converters with an integrated 4 pair PoE injector to apply the power and data output to the CAT5 Ethernet cable. 9-36VIn,24V 24W GigE Passive.


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The TP-DCDC-1224G-4P Gigabit DC to DC converters are a low-cost and high efficiency solution for those requiring 24VDC 4 pair Passive Power over Ethernet from a 12VDC or 24VDC voltage source like a battery system or vehicle. They have an integrated 4 pair PoE injector to apply the power and data output to the CAT5 Ethernet cable. All 8 wires carry both data and PoE power. The output voltage is regulated and protected. They have two isolated inputs for connecting 2 power sources, like a primary and backup power source. Input and outputs are isolated so + or – ground is OK. They accept gigabit data-in to a shielded RJ45 Jack and provide gigabit data-out and 4 pair PoE power on the shielded RJ45 output jack. They work by supplying power on Ethernet pins 1,2,4,5(V+) and 3,6,7,8(V-). They have various protections for surge, short circuit and overload. The units have power outputs up to 24W.


  • Input Voltage 9-36VDC
  • 24V Gigabit Passive 4 Pair PoE Output
  • Dual Inputs for Connecting 2 Power Sources
  • Integrated 10/100/1000MB PoE Inserter
  • High Power up to 24W
  • Short Circuit, Over Current and Reverse/Over Voltage Protect
  • High-Temperature Operation to 70C
  • Built-in Low Battery Disconnect and Surge Protection
  • I.T.E. Power Supply, UL Listed
  • Extended Temperature Range -40C to 70C


  • 12V / 24V Battery Systems, Vehicle Applications
  • UBNT Airfiber®-X
  • Wireless Access Points and Client Devices


DC Input Voltage

9VDC – 36VDC, Input/Output is Isolated

DC Input Connector

Removeable Screw Type Compression Wire Terminal (12 AWG Max)

DC Output Voltage

24V (Passive) 4 pair power

Data in & Data/POE Output Connector

RJ45 (Shielded)

Output Current (max)


Output Power (max)


Low Voltage Disconnect / Reconnect

Disconnect at 8.9V, Reconnect at 9.02V

Efficiency (min)


Line Regulation


Load Regulation






LED Operation

RED = Input Power On,   GREEN = Output Connected

Surge Protection (IEC 61000-4)

15kV (Air), 8kV (Contact), 20A (8/20us) Lightning

EMC Standards

FCC Class B  EN55022 Class B

Safety Standards

CSA 22.2 &TUV EN60950

Operating Temp

-40 to +70°C (-40 to +158°F)

Operating Humidity

5% – 90%

Storage Temp

-40 to +80°C (-40 to +176°F)

Dimensions (LxWxH)

125 x 75 x 38mm  (4.9 x 3 x 1.5”)


300g (10.6oz)


3 Years

Weight 0.6 lbs
Dimensions 7 × 4 × 2 in

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