RUT140 Powering Options

From Teltonika Networks Wiki
Main Page > RUT Routers > RUT140 > RUT140 Manual > RUT140 Powering Options

This chapter contains information on powering options supported by RUT140 routers.

Power socket

The router has a 3 pin power socket and can be powered by a 9-30 VDC power supply unit (PSU). Refer to the image below for the power socket's pinout information:

Power socket pinout
No. Description Wire color
1 Power Red
2 Ground Black
3 Chassis Green/Yellow

If you decide not to use the standard 9 VDC wall adapter and want to power the device from a higher voltage (15-30 VDC), please make sure that you choose a power supply of high quality. Some power supplies can produce voltage peaks significantly higher than the declared output voltage, especially during connection and disconnection.

While the device is designed to accept input voltage of up to 30 VDC peaks, high voltage power supplies can harm the device. If you want to use high voltage power supplies it is recommended to also use additional safety equipment to suppress voltage peaks from the power supply.

Suggestion: If you're using a different power supply than the one included in the standard packaging, make sure it meets the same power (W) specifications as the original. Otherwise, some features of the device might not work properly. Please refer to the device's portfolio page to verify the power supply specifications: Power Consumption

Passive PoE

The device may also be powered by an Ethernet cable via the LAN1 port:
(Do not use in other ports!)

  • The device is NOT COMPLIANT with the IEEE 802.3af-2003 standard: powering the device from an IEEE 802.3af-2003 power supply will damage the device as it is not rated for input voltages of the PoE standard.
  • The device is NOT COMPLIANT with the IEEE 802.3at standard: it cannot power other devices over Ethernet.

RJ45 pinout:
Pin 10/100 mode B, DC on spares T568A Color T568B Color Pins on plug face (socket is reversed)
1 TX+
white/green stripe

white/orange stripe
2 TX-
green solid

orange solid
3 RX+
white/orange stripe

white/green stripe
4 DC+ 9-30 VDC
blue solid

blue solid
5 DC+ 9-30 VDC
white/blue stripe

white/blue stripe
6 RX-
orange solid

green solid
7 DC-
white/brown stripe

white/brown stripe
8 DC-
brown solid

brown solid

Ground loops

Do not connect the power supply negative terminal of our device to the chassis or earth exclusively.

This connection could cause ground loops. For example, if the antenna shield and power supply negative terminal are connected to the chassis or earth, it forms a ground loop, therefore unwanted current could flow through a device PCB ground and may cause damage.