TRENDnet TEW-714TRU

This device is NOT RECOMMENDED for future use with OpenWrt due to low flash/ram.
DO NOT BUY DEVICES WITH 4MB FLASH / 32MB RAM if you intend to flash an up-to-date and secure OpenWrt version onto it! See 4/32 warning for details.

1) This device does not have sufficient resources (flash and/or RAM) to provide secure and reliable operation.
This means that even setting a password or changing simple network settings might not be possible any more, rendering the device effectively useless. See OpenWrt on 4/32 devices what you can do now.

2) OpenWrt support for this device has ended in 2022.
19.07.10 was the last official build for 4/32 devices.

Compact, plug-mounted 2.4 GHz 802.11n router with single Ethernet port and a USB 2.0 port. Separate port provides USB charging at up to a claimed 2.1 A. 8/32 device with 360 MHz MIPS processor, Ralink RT5350.

2018 pricing about US$15

FIXME Any text with a light background (like this one) provides instructions for creating the Details Page. When you have filled in correct/useful information (instead of any template that's there) remove the instructions, as well as the <WRAP> that encloses it.

FIXME

Getting started with a new Device Page

  1. This is an empty template that suggests the information that should be present on a well-constructed Device Page. This means, that you have to fill it with life and information.
  2. There are several “fixme” tags with text on a light background (like this text) throughout this template. As you fill in the page, remove those tags so that people can judge its completeness.
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Keep the articles modular

  • Please include only model specific information, omit bla,bla and put everything generic into separate articles
  • If you have no time to write certain stuff, link to docs
  • base-system should lead the way, do not explain this again
  • DO NOT provide a complete howto here! Instead groom the general documentation.

Supported Versions

BrandModelVersionCurrent ReleaseOEM InfoForum TopicTechnical Data
TRENDnetTEW-714TRU1.0R22.03.5http://www.trendnet.com/products/wifi/N-routers/N150/TEW-714TRUView/Edit data

Hardware Highlights

ModelVersionSoCCPU MHzFlash MBRAM MBWLAN HardwareWLAN2.4WLAN5.0100M portsGbit portsModemUSB
TEW-714TRU1.0RRalink RT5350360832Ralink RT5350b/g/n-1-1x 2.0, 1x Power only

Installation

ModelVersionCurrent ReleaseFirmware OpenWrt InstallFirmware OpenWrt UpgradeFirmware OEM Stock
TEW-714TRU1.0R22.03.5https://downloads.openwrt.org/releases/22.03.5/targets/ramips/rt305x/openwrt-22.03.5-ramips-rt305x-trendnet_tew-714tru-squashfs-sysupgrade.binhttp://www.trendnet.com/support/supportdetail.asp?prod=250_TEW-714TRU

→ Install OpenWrt (generic explanation)

FIXME Please add the installation procedure here.

Flash Layout

FIXME Find out flash layout, then add the flash layout table here (copy, paste, modify the example).

Please check out the article Flash layout. It contains examples and explanations that describe how to document the flash layout.

OEM easy installation

This section deals with

  • How you install OpenWrt from a device freshly opened
  • FIXME The steps required such as reset to factory defaults if the device has already been configured

Initial Install Experience

Thanks to plastrd on the LEDE forum at Trendnet TEW-714TRU installation without factory.bin. Additional information in that thread related to specifics. In short:

Success!

I ended up having to go back to 17.01.3 and was able to successfully flash the initramfs-kernel from the OEM GUI. This got me read-only function.

Once I was into LuCI I went to the firmware upgrade and attempted to flash the 17.01.3 sysupgrade to get a persistent configuration. This failed with an error that the image was not for my device. I also tried the 17.01.4 sysupgrade and got the same error.
Next I logged in via SSH and tried the sysupgrade from the shell. It immediately terminated with the error:

device generic not supported
Supported devices tew-714tru

Perhaps these images are built with incorrect device settings and that’s why I wasn’t able to initially flash them.
Running out of patience, I forced the sysupgrade with -F and it completed the flash and rebooted to a working state. I’ve got the device running 17.01.4 now and everything seems to be working as it should.

OEM installation using the TFTP method

→ generic.flashing.tftp

Specific values needed for tftp

FIXME Enter values for “FILL-IN” below

Bootloader tftp server IPv4 address FILL-IN
Bootloader MAC address (special) FILL-IN
Firmware tftp image Latest OpenWrt release (NOTE: Name must contain “tftp”)
TFTP transfer window FILL-IN seconds
TFTP window start approximately FILL-IN seconds after power on
TFTP client required IP address FILL-IN

Upgrading OpenWrt

→ generic.sysupgrade

FIXME These are generic instructions. Update with your router's specifics.

LuCI Web Upgrade Process

  • Browse to http://192.168.1.1/cgi-bin/luci/mini/system/upgrade/ LuCI Upgrade URL
  • Upload image file for sysupgrade to LuCI
  • Wait for reboot

Terminal Upgrade Process

If you don't have a GUI (LuCI) available, you can alternatively upgrade via the command line. There are two command line methods for upgrading:

  • sysupgrade
  • mtd

Note: It is important that you put the firmware image into the ramdisk (/tmp) before you start flashing.

sysupgrade

  • Login as root via SSH on 192.168.1.1, then enter the following commands:
cd /tmp
wget http://downloads.openwrt.org/snapshots/trunk/XXX/xxx.abc
sysupgrade /tmp/xxx.abc

mtd

If sysupgrade does not support this router, use mtd.

  • Login as root via SSH on 192.168.1.1, then enter the following commands:
cd /tmp
wget http://downloads.openwrt.org/snapshots/trunk/XXX/xxx.abc
mtd write /tmp/xxx.abc linux && reboot

Debricking

→ generic.debrick

Failsafe mode

→ failsafe_and_factory_reset

Basic configuration

→ Basic configuration After flashing, proceed with this.
Set up your Internet connection, configure wireless, configure USB port, etc.

Specific Configuration

FIXME Please fill in real values for this device, then remove the EXAMPLEs

Network interfaces

The default network configuration is:

Interface Name Description Default configuration
br-lan EXAMPLE LAN & WiFi EXAMPLE 192.168.1.1/24
vlan0 (eth0.0) EXAMPLE LAN ports (1 to 4) EXAMPLE None
vlan1 (eth0.1) EXAMPLE WAN port EXAMPLE DHCP
wl0 EXAMPLE WiFi EXAMPLE Disabled

Switch Ports (for VLANs)

FIXME Please fill in real values for this device, then remove the EXAMPLEs

Numbers 0-3 are Ports 1-4 as labeled on the unit, number 4 is the Internet (WAN) on the unit, 5 is the internal connection to the router itself. Don't be fooled: Port 1 on the unit is number 3 when configuring VLANs. vlan0 = eth0.0, vlan1 = eth0.1 and so on.

Port Switch port
Internet (WAN) EXAMPLE 4
LAN 1 EXAMPLE 3
LAN 2 EXAMPLE 2
LAN 3 EXAMPLE 1
LAN 4 EXAMPLE 0

Buttons

→ hardware.button on howto use and configure the hardware button(s). Here, we merely name the buttons, so we can use them in the above Howto.

FIXME Please fill in real values for this device, then remove the EXAMPLEs

The TEW-714TRU has the following buttons:

BUTTON Event
EXAMPLE Reset reset
EXAMPLE Secure Easy Setup ses
EXAMPLE No buttons at all. -

Hardware

Info

General
Brand TRENDnet
Model TEW-714TRU
Versions 1.0R
Device Type Travel Router
Availability Available 2018
Comments - general
OpenWrt Support
Supported Since Commit https://git.lede-project.org/?p=source.git;a=commit;h=2b1f4945b155ffee7f9c7f44bb90e5498b880ff5
Supported Since Release 17.01.0
Supported Current Release 22.03.5
Unsupported
Hardware
Bootloader U-Boot
Target ramips
System-On-Chip
CPU MHz 360
Flash MB 8
RAM MB 32
Network
Ethernet 100M ports 1
Ethernet 1Gbit ports
Switch -
Modem -
VLAN ¿
Comments - network ports
Wireless
WLAN 2.4GHz b/g/n
WLAN 5.0GHz -
WLAN Hardware Ralink RT5350
Detachable Antennas -
Comments - WLAN
Interfaces
USB ports 1x 2.0, 1x Power only
SATA ports -
Serial ¿
JTAG ¿
Comments - USB & SATA ports Power-only labeled "5V 1A ~ 2.1A"
Misc
LED count 2
Button count 2
Power supply 100-240 VAC, 50-60 Hz, 2.5W
Links
Forum Topic URL
WikiDevi URL https://wikidevi.wi-cat.ru/TRENDnet_TEW-714TRU
OEM device homepage URL http://www.trendnet.com/products/wifi/N-routers/N150/TEW-714TRU
Firmware OEM Stock URL http://www.trendnet.com/support/supportdetail.asp?prod=250_TEW-714TRU
Firmware OpenWrt Install URL
Firmware OpenWrt Upgrade URL https://downloads.openwrt.org/releases/22.03.5/targets/ramips/rt305x/openwrt-22.03.5-ramips-rt305x-trendnet_tew-714tru-squashfs-sysupgrade.bin
Edit the underlying data View/Edit data

Photos

Front:
Insert photo of front of the casing

Back:
Insert photo of back of the casing

Backside label:
Insert photo of backside label

Opening the case

DANGER: HIGH VOLTAGE inside!
Opening this device exposes
parts under high voltage (110/230 VAC)!

  • Risk of deadly electrical shock
  • Risk of irreversable damage to other components attached, e.g. your PC connected via serial

Make sure to keep your fingers, conductive tools and serial cables away from the high voltage at all times!

Capacitors can still retain dangerous voltages
after disconnection from mains!

Continue at your own risk!

Note: This will void your warranty!

FIXME Describe what needs to be done to open the device, e.g. remove rubber feet, adhesive labels, screws, ...

  • To remove the cover and open the device, do a/b/c

Main PCB:
Insert photo of PCB

Serial

→ port.serial general information about the serial port, serial port cable, etc.

How to connect to the Serial Port of this specific device:
Insert photo of PCB with markings for serial port

FIXME Replace EXAMPLE by real values.

Serial connection parameters
for TEW-714TRU 		EXAMPLE 115200, 8N1

JTAG

→ port.jtag general information about the JTAG port, JTAG cable, etc.

How to connect to the JTAG Port of this specific device:
Insert photo of PCB with markings for JTAG port

Bootlogs

OEM bootlog

COPY HERE THE BOOTLOG WITH THE ORIGINAL FIRMWARE


OpenWrt bootlog

COPY HERE THE BOOTLOG ONCE OPENWRT IS INSTALLED AND RUNNING


Notes

Space for additional notes, links to forum threads or other resources.

  • ...

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  • Last modified: 2022/06/25 08:05
  • by tmomas