Technicolor TG789vac v2
This is the Technicolor TG789vac v2 shipped by many ISPs in Italy, Australia and the UK. It supports both ADSL2+/VDSL2 broadband connections and FTTH connections with a RJ-45 WAN port. Provides two FXS ports for VoIP-to-POTS telephony gateway features as well as one USB 2.0 port.
As said previously this unit is being shipped by different ISPs, such as:
- TIM (Italy)
- Tiscali (Italy)
- Fastweb (Italy)
- UNO (UK)
- iiNet (Australia)
- Internode (Australia)
OpenWrt support
Limited to version 15.05.1 (see notes).
Hardware highlights
Model | Version | SoC | CPU Speed | RAM | NAND Flash | WLAN Hardware | WLAN2.4 | WLAN5.0 | 100M ports | Gbit ports | Modem | USB |
---|---|---|---|---|---|---|---|---|---|---|---|---|
TG789vac | v2 | Broadcom BCM63168 | 2x 400 MHz | 256 MB | 128 MB | Broadcom BCM4360 | b/g/n | a/n/ac | - | 5 | VDSL2 | 1x 2.0 |
Hardware
Info
Architecture | MIPS |
---|---|
Vendor | Broadcom |
Bootloader | ? |
System-On-Chip | Broadcom BCM63168VKFEBG |
CPU/Speed | 400 MHz |
Flash Chip | Micron MT29F1G08ABAEA |
Flash Specs | 128 MB |
RAM Chip | Samsung K4B2G1646F-BCK0 |
RAM Specs | DDR3, 256 MB |
Wireless 2.4Ghz | Broadcom BCM4360, b/g/n, 2×2 |
Wireless 5Ghz | Broadcom BCM4360, a/n/ac, 3×3 |
Ethernet | 5x 10/100/1000 BASE-TX Ethernet Interface (1x WAN, 4x LAN) |
Switch | Broadcom BCM53124S |
xDSL | ADSL1/2/2+ (G.992.1/3/5) Annexes A, B, L, M VDSL2 (G.993.2) |
USB | 1x 2.0 |
Serial | ? |
JTAG | ? |
Power | External, 12 V 2 A |
Photos
BOARD
Opening the case
Remove the two rubber feets on the bottom, remove the screws underneath those then remove the top casing (it requires a bit of force).
Serial
→ port.serial general information about the serial port, serial port cable, etc.
How to connect to the Serial Port of this specific device:
A serial port header is available on the motherboard right next to the CPU. Unfortunately, the serial console doesn't seem to accept any input. Cables can be easily soldered to the PCB to access the serial port:
The serial console uses a baud rate of 115200 bps, 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 OEM BOOTLOG
OpenWrt bootlog
COPY HERE THE BOOTLOG ONCE OPENWRT IS INSTALLED AND RUNNING
OEM Firmware
Sources
OEM firmware images can be found here
Notes
The OEM firmwares are OpenWrt-based (OpenWrt 15.05.1 “Chaos Calmer”).
It is possible to obtain root access and install LuCI. More info here.
PCB photos were provided by bubez under a CC BY-NC-SA 2.5 IT license.