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
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

Tags

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toh/thomson/thg520.txt · Last modified: 2013/05/25 16:00 (external edit)