Cable Modem Troubleshooting: Motorola SB4100

by Ross McKillop on July 4, 2006

Cable Modems

Light patterns, images, manuals and more helpful info for the Motorola SB5100 cable modem -

Manufacturer: Motorola Model: SB4100
Modem Light Indicators
Power

Flashing - Startup diagnostics in progress.
On - Cable modem is powered on.

Receive

Flashing - Scanning for a downstream channel.

On - Downstream channel is connected.

Send Flashing - Scanning for an upstream channel.
On - Upstream channel is connected.
Online

Flashing - Scanning for a network connection.
On - Startup process complete. Modem aqcuired.

Activity

Flashing or On - Transmitting or receiving data.

Notes and Useful Information:

This modem has a standby button located near the logo on the front panel.
When activated, the LED lights turn off indicating the ethernet and usb
ports are disabled. Note: The cable connection to the service provider
remains active.

Installation and User Manual
(Requires Adobe Acrobat)

Motorola
Product Website

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  • { 1 trackback }

    Simplehelp » Cable Modem Index
    07.17.06 at 9:23 pm

    { 6 comments… read them below or add one }

    1 Boro 11.21.06 at 5:37 pm

    I have a problem, the power light never stop flashing :s and i dontknow what to do, its not connected to the pc, its AC only, hope u can help me ._.

    2 w32sircammx 07.11.07 at 4:39 am

    i have this problem…

    someone changed the mac address too many times and now my modem is loocked ..

    it cant be detected by pc’s through USB or Ethernet

    i just can use it on XBOX360..

    i need some help plz !!!

    3 Sergio 05.07.08 at 12:33 pm

    I have one problem, when y connect my modem, power light starts normaly but 3 segs passed, and receive and send leds flash at the same time… i mean they turn on at same time, like when modem restarts…

    i dunno wut to do…

    4 carlos 06.06.08 at 4:38 pm

    boa noite aguem sabe como destravar um modem sb 4200 mim envia por esse e-mail por favor vou ficar muito agradecido deste ja

    5 carlos 06.06.08 at 4:41 pm

    boa noite aguem sabe como destravar um modem sb 4100 mim envia por esse e-mail carlosdeivisonstanizer69@gmail.com

    6 joao 06.25.08 at 11:06 am

    ola galera gostaria de saber se tem alguem que sabe desbloquear o cable modem terayon terapro modem tcm200 ficarei muito grato jsurios@hotmail.com

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