Intermittent Sync and you: What does it mean?
Intermittent sync is the signal from your DSL, Cable, or Fiber service provider's Central Office (CO) to you losing connection every now and then. Now, with DSL, this also includes low bit rate (where the modem throttles the connection to try and maintain the connection), intermittent route (you can't get online if there is no signal!), and slow throughput/ packet loss. <br /><br />With Fiber, it can mean a damaged fiber optic cable, or potential area outage. <br /><br />Cable does not usually experience low bit rate/ intermittent sync like DSL, however it does have some similarities since Cable does run (at least a portion of the cable!) on copper cabling. <br /><br />Intermittent Sync can be an area issue, however usually area issues are no sync or no route- not the intermittent problems<br /><br />Now, an intermittent issue is hands-down the most annoying of connectivity problems since sometimes it works, sometimes it does not. <br /><br />How do you troubleshoot intermittent sync? <br /><br />Depending on your connection type, you may need to isolate the connection. What this means for DSL is if you have a phone, a fax, and a credit card machine on the same telephone line, you need to see if the intermittent issue clears with those devices off the line. Other factors for DSL intermittent sync is distance from the CO, age of the modem, issues on the line, and problems within the CO<br /><br />If you have noise on the line- it could either be the modem or something within the cabling or CO. <br /><br />With Cable, isolation is not so much of an issue- although they may ask you to remove the cable boxes temporarily till they can verify the issue is not interference from a defective cable box<br /><br />Fiber (FIOS) is unique that intermittent sync is not really caused by issues w/ the wiring of the building- report to technical support immediately if you have intermittent connection issues with Fiber.<br /><br />All of the above issues need you to contact tech support when you have time to do basic troubleshooting steps. However some legwork can make this process easier.<br /><br />Write down when it goes down- if there is a pattern to when it goes down, it can help narrow down WHY the problem is occurring. For instance, a person had service go down after 9am every day and when it was raining. The issue was caused by construction breaking the underground cable casing- and after the sprinklers ran at 9am sharp- the water would get into the casing and short the person's connection! <br /><br />A log of what happens with the problem not only helps you- it helps you help the technician! If you can pick up on the pattern- it narrows the possibilities of what's causing the issue. Any way of narrowing down the problem means you will have your service restored that much faster.<br /><br />If it requires multiple repairs- that log will also help in narrowing down what's left<br /><br />For packet loss/intermittent route- record what sites have the issue and when. Again, the pattern helps troubleshoot the problem.<br /><br />Do not demand for a technician at the location- often the problem could be in the CO- sending a tech only delays getting to the right spot to fix the problem<br /><br />If your connection goes down- the MOST important thing to do: Report it. With intermittent issues, the more documentation, the better. <br />
on Jan 09, 2011 | Modems