Difference between revisions of "TRB140 Powering Options"

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{{Template: networking_trb14x_manual_powering_options
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{{Template: networking_trb_manual_powering_options
| name     = TRB140
+
<!------------------------DEVICE----------------------->
| series    = TRB14x
+
| name   = TRB140
| file_lan1 = Networking_rut140_manual_powering_options_lan1_v1.jpg
+
| series = TRB1
| size_lan1 = 350
+
<!----------------------SEPARATORS--------------------->
 +
| eth   = 1        <!-- 1 - has Ethernet; 0 - does not have Ethernet -->
 +
| rs485  = 0        <!-- 1 - can be powered over RS485; 0 - cannot be powered over RS485 -->
 +
| pin    = 4 pin    <!-- 4 pin - 4 pin connector; 16 pin - 16 pin terminal block connector -->
 +
| psu    = 9 VDC    <!-- Standard PSU -->
 +
| volts  = 9-30 VDC  <!-- Input voltage range -->
 
}}
 
}}

Latest revision as of 09:30, 2 September 2020

Main Page > TRB Gateways > TRB140 > TRB140 Manual > TRB140 Powering Options

This chapter contains information on powering options supported by TRB140 devices.

Power socket

The TRB140 device can be powered over the 4 pin connector using a 9-30 VDC power supply unit (PSU). Refer to the image below for the power socket pinout information:

Networking rut3 manual power socket pinout v1.png

If you decide not to use the standard 9 VDC PSU and want to power the device from a higher voltage, 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 in the range of 9-30 VDC, 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.

Passive PoE

The device may also be powered via the Ethernet port:

Networking trb140 manual powering options lan.png

  • TRB140 devices support PPoE from HW revision 0007
  • 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+ Poe white green stripe.png
white/green stripe
Poe white orange stripe.png
white/orange stripe
Poe rj45 connector.png
2 TX- Poe solid green.png
green solid
Poe solid orange.png
orange solid
3 RX+ Poe white orange stripe.png
white/orange stripe
Poe white green stripe.png
white/green stripe
4 DC+ 9-30 VDC Poe solid blue.png
blue solid
Poe solid blue.png
blue solid
5 DC+ 9-30 VDC Poe white blue stripe.png
white/blue stripe
Poe white blue stripe.png
white/blue stripe
6 RX- Poe solid orange.png
orange solid
Poe solid green.png
green solid
7 DC- Poe white brown stripe.png
white/brown stripe
Poe white brown stripe.png
white/brown stripe
8 DC- Poe solid brown.png
brown solid
Poe solid brown.png
brown solid

Simultaneous powering


The device can be powered from the power socket and over Ethernet simultaneously. If device batch number is between 1 and 11, both PSUs should have similar output voltages. Meanwhile, devices manufactured from batch number 12 can have different voltage PSUs connected to its power socket and Ethernet port.

The power socket has higher priority meaning that the device will draw power from the power socket as long as it is available. When the device is switching from one power source to another it loses power for a fraction of a second and may reboot. The device will function correctly after the reboot.