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Phone line dead. Broadband still working

M

Mark R

Diamond Member
Phone is totally dead. No dial tone. No ringing. Nothing.

DSL is working pretty much fine.

How is this possible?
 
your jack is specially wired so that it doesn't need a tone, I think it uses the line as a communication point to the node.
 
I believe (there are telecom guys that know better then me) that at the switching center they seperate out the voice and data into seperate systems. So, if that is correct if the telecom switch died, then you would lose dialtone.

Call your ISP/Telecom provider.
 
Originally posted by: NuroMancer
I believe (there are telecom guys that know better then me) that at the switching center they seperate out the voice and data into seperate systems. So, if that is correct if the telecom switch died, then you would lose dialtone.

Call your ISP/Telecom provider.
Click to expand...


That about sums it up.

In the military I deployed and maintained mobile IDNX's (Integrated Digital Network Exchange's) for lan support and voice support. Most of the mobile ones I worked on support up to a T1, in total bandwidth. Usually, if we were configured to have a 512k circuit, we would deploy 2-4 voice lines, and a 256-384k LAN drop. The rest of the bandwidth is overhead.
Voice lines have special cards in the IDNX for voice operations.. as for data cards that are inserted in the IDNX. It is very possible, that a voice card could go out, or be misconfigured, etc.. thus, your voice lines are gone.. but, you still have the data lines.
Both the voice and data extensions are multiplexed in the IDNX to be transmitted to and from other circuits or IDNX's.
 
I had that problem a couple of times last year. The Verizon techs explained to me that the DSL signal only needs one wire, and the voice requires 2, for a dial tone. They ended up replacing some corroded wires in the junction box in my neighaborhood.
 
Both DSL and phone require two wires. Make sure you have a DSL filter on any outlet you plug any standard phone equipment into as the DSL signal could damage the phone.

.bh.
 
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