FTTC Router Sync Status: Difference between revisions

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==Overview==
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.
'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.


==Knowing the Sync status==
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:
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 router
*the wiring between the router and the main phone socke
*the wiring between the router and the main phone socket
*a problem with the actual phone line between you and the cabine
*a problem with the actual phone line between you and the cabinet
*or even a fault with the cabinet itself.
*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.
It does mean though, that the fault is unlikely to be with your computer or your internal network.

==Finding the Sync Status==
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.


{| class="wikitable"
{| class="wikitable"
! Modem/Router
! Modem/Router
! Sync LED Label
! Sync LED Label
! In Sync
! In Sync Status
! No Sync
! No Sync Status
! Notes
! Notes
|-
|-
! Openreach Modem
! Openreach Modem
| DSL
| DSL
| On Green
| Constant Green
| Flashing green or off
| Flashing green or off
| ECI or Huawei
| ECI or Huawei
|-
|-
! VMG1312
! ZyXEL VMG1312
| DSL
| DSL
| Constant Green
|
| Flashing when trying to sync
|
| Orange if it's syncing to ADSL
|
|-
|-
! Technicolor TG589vn
! Technicolor TG589vn
| Broadband
| DSL
| Constant Green
|
| Flashing when trying to sync
|
|
|
|-
|-
! Billion 8200N
! Billion 8200N
| DSL
| DSL
| Constant Green
|
|
|
|
|
|-
|-
! DrayTek Vigor 2760n
! DrayTek Vigor 2760n
| DSL
| xDSL
| Constant Green
|
| Flashing when trying to sync
|
|
|
|-
|-
! FRITZ!Box 7390
! FRITZ!Box 7390
| DSL
| Power/DSL
| Constant
|
| Flashing when trying to sync
|
|
|
|-
|-
! Asus DSL-N66U N900
! Asus DSL-N66U N900
| DSL
| DSL
| Constant on
|
| Flashing when trying to sync
|
|
|
|}
|}


[Category:FTTC_Down]
[[Category:FTTC Down]]

Latest revision as of 16:21, 21 June 2017

Overview

'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.

Knowing the Sync status

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 socket
  • a problem with the actual phone line between you and the cabinet
  • 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.

Finding the Sync Status

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.

Modem/Router Sync LED Label In Sync Status No Sync Status Notes
Openreach Modem DSL Constant Green Flashing green or off ECI or Huawei
ZyXEL VMG1312 DSL Constant Green Flashing when trying to sync Orange if it's syncing to ADSL
Technicolor TG589vn Broadband Constant Green Flashing when trying to sync
Billion 8200N DSL Constant Green
DrayTek Vigor 2760n xDSL Constant Green Flashing when trying to sync
FRITZ!Box 7390 Power/DSL Constant Flashing when trying to sync
Asus DSL-N66U N900 DSL Constant on Flashing when trying to sync