Thomson THG520
Hardware type : VoIP cable modem
(Same hardware as "Webstar" by Scientific Atlanta DXP2213, which has 2 * 11V Li-Ion batteries for battery backup )
Hardware Highlights
| CPU | Ram | Flash | Network | USB(Network) | USB (host) | Serial | JTag |
|---|---|---|---|---|---|---|---|
| Broadcom BCM3349 | 16MB | 32MB | 1 | 1 | No | Yes | Yes |
Installation
WIP
Upgrading OpenWRT
If you have already installed OpenWrt and like to reflash for e.g. upgrading to a new OpenWrt version you can upgrade using the mtd command line tool. It is important that you put the firmware image into the ramdisk (/tmp) before you start flashing.
LuCI Web Upgrade Process
- Browse to http://192.168.1.1/cgi-bin/luci/mini/system/upgrade/ LuCI Upgrade URL
- Upload TRX file to LuCI
- Wait for reboot
Terminal Upgrade Process
- Login as root via SSH on 192.168.1.1
- Use the following commands to upgrade.
cd /tmp/ wget http://downloads.openwrt.org/latest/brcm-2.4/openwrt-brcm-2.4-squashfs.trx mtd write /tmp/openwrt-brcm-2.4-squashfs.trx linux && reboot
NOTE : Warning!! This haven't been tested yet!!
Hardware
Info
| Architecture: MIPS |
| Vendor: Broadcom |
| Bootloader: CFE |
| System-On-Chip: Broadcom 3349KPBG |
| VoIP Coprocessor: Broadcom 3341A0KPBG |
| CPU Speed: 200 Mhz |
| Flash-Chip: Samsung K8D3216UBC |
| Flash size: 32 MiB |
| RAM-Chip: Samsung K4S281632F-UC75 |
| RAM: 16 MiB SDRAM |
| VOIP RAM: Issi IS61LV6416 2MiB SRAM |
| Wireless: none |
| Ethernet: 1 |
| USB(network): 1 |
| USB(Host): No |
| Serial: Yes |
| JTAG: Yes |
Photos
Model Number
Front:
Photo of front
Back:
Photo of back
Opening the case
Note: This will void your warranty!
- To remove the cover simply remove plastic pads .
- There are four screws holding the PCB and the bottom cover.
Main PCB
Photo of PCB
Serial
How to connect to Serial Port
JTAG
How to connect to JTAG interface, and how to reflash the device with JTAG tools
See port.jtag for more JTAG details.
Interfaces
WIP
Failsafe mode
WIP
Boot into failsafe mode
WIP
What to do in failsafe mode?
WIP
Buttons
WIP
2Buttons : PCB reset and modem Reset
Basic configuration
toh/thomson/thg520.txt · Last modified: 2012/06/27 01:09 by mlange