FTTC Router Sync Status: Difference between revisions

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'Sync' is your modem's ability to talk to your local green cabinet. Most, if not all, modems/routers will have a LED that shows the sync status. This is often the LED labeled DSL, and generally speaking on is in sync, and flashing or off means no sync.

This is a table of popular VDSL/FTTC modems and routers and how you can tell if they are in sync or not by looking at the LEDs on the device. You can often gain more information by looking at the diagnostic pages on the router's web interface, but this will help you tell at a glance if the modem is in sync or not.
This is a table of popular VDSL/FTTC modems and routers and how you can tell if they are in sync or not by looking at the LEDs on the device. You can often gain more information by looking at the diagnostic pages on the router's web interface, but this will help you tell at a glance if the modem is in sync or not.



Revision as of 19:43, 6 April 2015

'Sync' is your modem's ability to talk to your local green cabinet. Most, if not all, modems/routers will have a LED that shows the sync status. This is often the LED labeled DSL, and generally speaking on is in sync, and flashing or off means no sync.

This is a table of popular VDSL/FTTC modems and routers and how you can tell if they are in sync or not by looking at the LEDs on the device. You can often gain more information by looking at the diagnostic pages on the router's web interface, but this will help you tell at a glance if the modem is in sync or not.

This can help diagnose a fault, as if the router is not in sync then the problem lies between the router and the your local green cabinet. It could be:

  • the router
  • the wiring between the router and the main phone socke
  • a problem with the actual phone line between you and the cabine
  • or even a fault with the cabinet itself.

It does mean though, that the fault is unlikely to be with your computer or your internal network.

Modem/Router Sync LED Label In Sync No Sync Notes
Openreach Modem DSL On Green Flashing green or off ECI or Huawei
VMG1312 DSL
Technicolor TG589vn DSL
Billion 8200N DSL
DrayTek Vigor 2760n DSL
FRITZ!Box 7390 DSL
Asus DSL-N66U N900 DSL