How should I properly setup my digital phone line with analog devices?
March 15th, 2010 | 
Author: 
SerendipityLee asked:
We got digital phone service through Cox and our phone line has unlimited problems ranging from static, Spanish music playing during conversations, to long bouts of no dial tone (aka no phone access). I recently read: “When you connect your home analog phone to your office’s digital line, when you lift the receiver, the phone tries to draw an electrical current to operate. Typically this is regulated by the phone company’s central office. Since the typical proprietary digital phone system has no facilities to regulate the current being drawn through it, your analog phone can draw too much current—so much that it either fries itself or in rare cases, damages the phone system’s line card.” Im wondering if this is causing our problems. Our current setup: Cox digital modem < 2-jack adapter < wall jack < 2-jack adapter < surge protector power strip < computer < old-school digital answering machine < phone. Before I dive into the tangles of wires, can anyone advise me on a new connection setup? Or if its even needed? It could just be our old house for all I know... Thanks!
To Learn Spanish
We got digital phone service through Cox and our phone line has unlimited problems ranging from static, Spanish music playing during conversations, to long bouts of no dial tone (aka no phone access). I recently read: “When you connect your home analog phone to your office’s digital line, when you lift the receiver, the phone tries to draw an electrical current to operate. Typically this is regulated by the phone company’s central office. Since the typical proprietary digital phone system has no facilities to regulate the current being drawn through it, your analog phone can draw too much current—so much that it either fries itself or in rare cases, damages the phone system’s line card.” Im wondering if this is causing our problems. Our current setup: Cox digital modem < 2-jack adapter < wall jack < 2-jack adapter < surge protector power strip < computer < old-school digital answering machine < phone. Before I dive into the tangles of wires, can anyone advise me on a new connection setup? Or if its even needed? It could just be our old house for all I know... Thanks!
To Learn Spanish
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Kids Learning Spanish
you mention wall jack… so i am assuming that you have the telephone adapter connected to the inside wiring and jacks that already existed in your home….
you need to go to the NID on the outside of your house (where the telephone wire comes from the telephone company) and make sure that the wire is disconnected going back to the telephone… otherwise you will be back-feeding the telephone company lines, and this can cause many of the problems that you have been describing…
if a cable company tech came out and did the installation (properly) he should have taken care of this.. otherwise this wire has never been disconnected from the telephone company wiring…