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•Refer to the Primus TBB Wiring Guide
•There is also an excellent and thorough discussion of home wiring (including diagrams and photographs) provided by Michigan Telephone.
•As described in the above links, ensure that the POTS line (from outside) is disconnected from the demarcation block (usually inside your home).
•Your connecting block must not include any wiring or devices besides the wires necessary for your internal jacks. Even if your POTS line is disconnected, make sure it (and any extra capacitance) have been removed from your demarcation point connecting block. For example, a fairly large capacitor on your phone block will hold the line open when you hang up. Removing this capacitor will resolve the problem.
•With DryLoopDSL, the Telco's former POTS line still needs to be wired to your modem. For example, if this is done through the existing telephone wiring, care must be taken such that this circuit is not wired to the ATA in any manner. The DryLoopCircuit to the modem MUST be isolated from any house wiring that is connected to the ATA's telephone ports.
•If you are unsure or are having problems using TBB (you do not get dial tone, or the phones do not ring), simply disconnect the house wiring from the demarcation block and connect the house wiring to another (new) block.
•Depending on how you've chosen to set up your home wiring in conjuntion with your ATA, you may decide to add additional lines. An excellent primer can be found here.
•See further details on How many phones can be connected to the DVG ATA ?
•For Home Alarm systems, refer to Support of dialout on security system with TBB.
An unofficial Primus perspective: