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About DSL modem lights - SpeedTouch modems

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The internet light is <b>steady green</b> when the Central Office has accepted your modem's login and password and is ready to provide internet service via DSL to your modem.  If the light remains <b>red</b> or <b>unlit</b>, there is a problem.
The internet light is <b>steady green</b> when the Central Office has accepted your modem's login and password and is ready to provide internet service via DSL to your modem.  If the light remains <b>red</b> or <b>unlit</b>, there is a problem.
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If your unit was able to log in earlier and you've made no changes, it's likely that there is a temporary network problem (at the Central Office or NCF) making it temporarily impossible to check your login and password.  Best to just wait for the problem to be fixed.  If you can get online (eg., at an office or library), you can check the NCF web site to see if others are experiencing problems, and if not, report the problem (such problems are almost always noticed quickly).
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If your unit was able to log in earlier and you've made no changes, a red light likely means that there is a temporary network problem (at the Central Office or NCF) making it temporarily impossible to check your login and password.  Best to just wait for the problem to be fixed.  You may need to power-cycle or restart your modem for it to notice that service has been restored.  If you can get online elsewhere (eg., at an office or library), you can check the NCF web site to see if others are experiencing problems, and if not, report the problem (such problems are almost always noticed quickly).
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If you are installing for the first time, likely your unit hasn't been configured with a correct login and password.  Check the [[DSL installation instructions]] for more information.
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If you are installing for the first time and the DSL light is green but the Internet light is red, likely your unit hasn't been configured with a correct login and password.  Check the [[DSL installation instructions]] for information about configuring.
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== Beyond the lights ==
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Lights can only indicate a small amount of information.  To learn more about what your modem is doing, you can log into it (there is a computer with a UNIX operating system in there) using a web browser, and then check its event log.
[[Category:DSL]]
[[Category:DSL]]
[[Category:SpeedTouch]]
[[Category:SpeedTouch]]
[[Category:Lights]]
[[Category:Lights]]

Revision as of 22:35, 7 February 2010

The operational status of DSL modems is usually indicated by lights (LEDs). Modems models vary in detail, of course, but typically they have lights to indicate power, the status and activity of the DSL line, and the status and activity of connections to your computer, whether by ethernet or by wireless.

For example, SpeedTouch 585 modems have five lights on the front (Power, DSL, Ethernet, WLAN, and Internet) and four lights on the back (status of each of the four ethernet ports).

Information is communicated by the colour of the lights and whether they are steady or flashing. Activity on a line is often indicated by flickering when the line is active.

Here's a summary of how to read the lights of a SpeedTouch 585 v7 (other models are similar):

File:speedtouch585leds.png

Contents

Power light

The power light should be steady green. If it is unlit, there's a power problem or the unit is completely inoperative. Check that the modem is plugged in and switched on.

If the power light is red or amber, the unit has discovered a problem with its hardware or software. Try power cycling the unit, ie., unplugging the unit from power and disconnecting it from all cables, waiting more than 5 seconds (for capacitors to discharge), and then connecting it to power again. If the power light goes green, then connect cables. Otherwise, if the red or amber Power light persists, the unit will have to serviced.

Ethernet light

The ethernet light should be green (steady or flickering) if there is at least one ethernet cable connected to a powered-on computer. Green indicates that ethernet communication is possible. Ethernet traffic is indicated by flickering of the light.

To check individual cables, most SpeedTouch modems have green LEDs at the back of the modem were the ethernet cables plug in. The LED there will be green (and flicker with activity) if ethernet is active on that particular cable. Note: If you are having problems and find any of those back-side ethernet LEDs flashing at a steady rate (on-off-on-off...), it indicates a hardware problem that requires service (but try power-cycling).

DSL light

The DSL should become steady green within a few minutes after power-up or restart, indicating that the unit has detected a DSL signal and is able to synchronize with it; the unit is 'in sync'.

During the process of obtaining DSL synchronization, the DSL light will flash green. If it flashes indefinitely, there is a problem.

If you previously had a working connection and nothing has changed at your location (eg., no new devices attached to your phone line), try power cycling your modem (see above). If that doesn't work, likely it's an external problem; best to wait 10 minutes and see if it clears up. Sometimes the modem needs to be power-cycled for it to notice a line that has returned to service.

If you are installing for the first time, here are possible solutions:

  • Make sure there is no filter on the line to your modem. The modem must be plugged directly into the phone line.
  • Make sure all other devices at your location are connected through DSL line filters.
  • If problems persist, try temporarily disconnecting all other devices from your phone line.

If you can find a working internet connection (perhaps a friend or at an office or library), you can check online with NCF to see if anyone else is experiencing problems. If not, best to [send a problem report] to the NCF office.

WLAN (Wireless) light

The WLAN light flashes to indicate activity (like the Ethernet light). The colour of the light indicates the security mode of the wireless service: green is highest security, using WPA encryption; amber is medium security, using WEP; and red indicates no security (anyone can use your wireless without providing a password). The light is unlit if wireless is disabled (turned off).

For information about configuring wireless and enabling/disabling it, please consult the modem manual for your unit.

Internet light

The internet light is steady green when the Central Office has accepted your modem's login and password and is ready to provide internet service via DSL to your modem. If the light remains red or unlit, there is a problem.

If your unit was able to log in earlier and you've made no changes, a red light likely means that there is a temporary network problem (at the Central Office or NCF) making it temporarily impossible to check your login and password. Best to just wait for the problem to be fixed. You may need to power-cycle or restart your modem for it to notice that service has been restored. If you can get online elsewhere (eg., at an office or library), you can check the NCF web site to see if others are experiencing problems, and if not, report the problem (such problems are almost always noticed quickly).

If you are installing for the first time and the DSL light is green but the Internet light is red, likely your unit hasn't been configured with a correct login and password. Check the DSL installation instructions for information about configuring.

Beyond the lights

Lights can only indicate a small amount of information. To learn more about what your modem is doing, you can log into it (there is a computer with a UNIX operating system in there) using a web browser, and then check its event log.