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Thomson TG787v

Please note: At the time of this comment, dec 2013, there is NO available Openwrt download for this device.


Locked device is a ISP=KPN firmware 8.6.L.1 device, with no USB function, and is being tested to be re-flashed with OpenWRT.

Branded and nonbranded

These devices are availabe as branded ("crippled" from local ISP) and nonbranded (Thomson firmware updates can be applied).


Supported Versions

Version/Model Launch Date S/N OpenWrt Version Supported Model Specific Notes


OEM source code available at (1 download / day):


Hardware Highlights

CPU Ram Flash Network USB Serial JTag
BRM63xx 64MiB 16 + 64MB DSL + 4x100Mbps Yes TTL No

With TTL, you have to open the device and use TTL-serial device (3.3V) to access RS232 interface.


Architecture: MIPS32
Vendor: Thomson / KPN
Bootloader: CFE
System-On-Chip: BCM6358 picture
CPU/Speed BMIPS4350 V1.0 / 300 Mhz
Flash-Chip: S29GL128P90TFCR2 picture
Flash size: 16 MB
RAM-Chip: HY5DU121622DTP picture 512Mb DDR400 SDRAM (32M x 16, 200MHz@CL3)
RAM: 64 MB
Wireless: BCM4318 picture
Wireless amplifier: SiGe2521A60 2.4ghz 802.11b/g
Ethernet: 4 x 100Mbps
Internet: ADSL2+ / VoIP FXS51BM1-00-A1-LB1-L FXS50IF1-02-A1-GE1-L
USB: Yes 2 x 2.0
Serial: Yes, internal TTL serial port 3,3v see picture below.

Comment:: Serial port at 3,3V available as per picture below.

Comment:: (from pdf info:) The SE2521A60 is a complete 802.11 b/g WLAN RF front-end module providing all the functionality of the power amplifier, power detector, T/R switch, diversity switch and associated matching. The SE2521A60 provides a complete 2.4 GHz WLAN RF solution from the output of the transceiver to the antennas in an ultra compact form factor. (Danitool)

And there is 1 chip with heatsink, see board picture, which probably is a BCM53xx family chip.


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

How to connect to the Serial Port of this specific device:

Photo of PCB with markings



hardware.button on howto use and configure the hardware button(s).

BUTTON Event Location Extra
Power on / off back
Front open Wifi front (1 press/1 min, to add a device)
Reset (pinswitch) back

Opening the case

Note: This will void your warranty!

  • To remove the cover remove the 4 Philips screws at the bottom.

carefully open chassis from back to front, at the sides (use credit card, or nails).


Model Number:
Model number

Photo of PCB:

  1. Probably BCM53xx family chip.

Photo of back of the casing:



toh/thomson/tg787v.txt · Last modified: 2017/05/30 12:29 by tmomas