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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).

Photo of PCB

  1. Probably BCM53xx family chip.


Model Number


Photo of back of the casing





toh/thomson/tg787v.txt · Last modified: 2013/12/21 02:05 (external edit)