How to determine correct wiring with between the DS7420i and different DS7400 panel types.
Is the wiring configuration between the DS7420i and DS7400 panel different than with the DS7400Xi?
How to determine the max distance the DX2010 can be remote located from the control panel.
This distance is determined by whether or not the DX2010 is supplying auxiliary power to devices. The DX2010 has the capacity to provide 12 VDC at up to 100 mA from the Aux Output terminals to power external devices such as motion detectors.
Will an Answering Machine cause the D168A not to answer when accessed locally?
Some answering machines load down the phone line and cause it to go below 7 VDC. The D168A needs at least 7 VDC to properly process the DTMF tones.