TheAlarmTech.com

Duct supervisory latched

Sounds like a fried panel...

Or ethernet, or dact via modem

See attached

CH751 also opens the tool box on my pickup truck lol!

Looks like a com port issue. Are you using a usb to serial adapter?

make sure you set the version correctly in the project configuration. If you uploaded from a 1.8 cpu and subsequently downloaded a 2.5 cpu without upgrading the database, it will cause problems. Also make sure all cpu's in the project are the same firmware version.

Firelite IP-DACT. It will work with existing dialer there, but for it be ul compliant you will need to replace it with a 411UD. You would have to see if your central station has the proper receiver. http://www.firelite.com/en-us/Pages/Product.aspx?category=CommunicationsEQ&cat=HLS-FIRELITE&p...

2.5 is the latest and final version of QS-CU. QS panels have been discontinued for quite a while.