

When the modem dials the panel I can hear it dialing and ringing.Īfter pressing *99 on the keypad to connect I hear some data being transmitted and the ringing stopts but the software stays offline until I get an error message saying it can't connect. I am using a recommended modem (US robotics 56k) and the dl900 software version 3.04 I've tried directly connecting to the panel via modem using the resistor trick.


The system was connected via a landline to the alarm company. Now I am looking for the programming code since I want to add some smoke detectors. The previous owner gave me the arm/disarm codes and some documentation but nothing else. I've bought a house with an nx-8V2 and I am looking for the codes.
