Honeywell 748LC Frequently Asked Questions

Can I Add a Wired Siren to the Qolsys IQ Panel 2?
A wired siren can be added to a Qolsys IQ Panel 2 system. The device connects to the siren outputs on the back of the IQ Panel 2. The siren is powered using any 12VDC plug-in transformer. Once installed, it will function automatically. Learn more about using a wired siren with an IQ Panel 2.
Added:

How Do I Add a Honeywell Siren to a 2GIG GC3?
The 2GIG GC3 panel can have a Honeywell hard-wired siren installed directly to its circuit board. A siren can also be connected through a hard-wired relay.
Added:

Which Wires Do I Use When Wiring a 2-Tone Siren?
You will need to connect the negative wire and one of the available positive wires of the siren to the alarm system. Learn how to connect a 2-tone siren.
Added:

Why isn't my 748 siren working?
Learn why your 748 siren is not working
Added:

How long does the Honeywell VISTA-20P siren sound for?
What is the bell timeout span for a VISTA-20P? Learn how to program your sounder timeout.
Added: