4 port PoE Gigabit Midspan UniVolt Injector (TP-MS4G-VHP)

4 ports PoE gigabit midspan multi-volt passive injector. Features Universal Voltage (UniVolt™). 1A/Port.


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The TP-MS4G-VHP mid-span PoE power sources are used for supplying PoE and data to multiple devices from a central location such as an operations room or equipment cabinet. The PoE devices feature a separate data-in port coupled with a data out/PoE port. The PoE function is considered 4 Pair Passive PoE, which is sometimes referred to as “High PoE.” The units support Gigabit Ethernet and are backward compatible to 10/100MB. The mid-span features Universal Voltage (UniVolt™) PoE outputs where the PoE voltage equals the input voltage. All ports will have the same PoE voltage. PoE DC Voltage (20V-60V) is supplied on pins 1,2 (V-), 3,6 (V+) and 4,5 (V+) and 7,8 (V-). The unit can accept + or – voltage on input; however, the design is non-isolated. The maximum power output per port is 1.8A. The individual outputs are over current, over/under voltage and short circuit protected. The midspan is DIN Rail mountable with the included DIN Rail brackets.


  • Very High Power, Gigabit 4 Port Midspan PoE Injector
  • Up to 1.8A per Individual Port
  • Universal PoE Voltage 20VDC to 60VDC.
  • Powers Passive PoE Devices using 4 pair power
  • DIN Rail Mountable – Includes DIN Rail adapters.
  • I.T.E. Power Supply, UL Listed
  • High PoE Wireless Access Points and Client Devices
  • High PoE Security Camera Systems
  • Power network devices from a central network room



Ethernet Standard

IEEE802.3/IEEE802.3u/IEEE802.3ab (10 base-T/100base-T/1000base-T)

POE Standard

Passive PoE, 4 Pair Power, High PoE

PoE Pinout

1,2 (V-)  3,6 (V+)  and  4,5 (V+)   7,8 (V-)

Shielded RJ45 Ports

4 data-in ; 4 data/PoE out, Port shield is connected to FG (frame ground)

Max Device Distance

100m (328ft)

Maximum PoE Power

Up to 1.8A Per Port

POE Protection

Over Current, Over/Under Voltage, Short Circuit


Green – A valid power device is detected on this port. Active current is >100mA.

Red – No power device is detected on this port.

Off – No input power, or input source in alarm condition. Alarm: voltage is more than 65VDC, or less than 15VDC. Alarm: current is >2A.

DC Power Input

20VDC to 60VDC, Unit can accept + or – VDC on input, non-isolated design, Fused at 10A

Self Consumption


Operating Temperature

-30C to +60C (-40F to 140F)

Operating Humidity (RH)

Up to 90% , Non Condensing

Storage Temperature

-40C to +85C (-40F to 185F)

Dimensions (LxWxH)

90mm x 118mm x 40mm (3.5” x 4.6” x 1.5”)


0.45kg (1lb)


3 Years



Weight 1 lbs
Dimensions 4.8 × 3.5 × 1.8 in
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