Interlinking Honeywell SiXCOMBO Devices

In this video, Michael from Alarm Grid shows how you can interlink multiple Honeywell SiXCOMBO devices on the same Honeywell Lyric System so that they all begin sounding when only one of them is activated. This feature is commonly referred to as One-Go-All-Go. This is an important safety feature that helps ensure that all building occupants are alerted during a potentially life-threatening emergency. You can include all programmed SiXCOMBO devices and SiXSMOKE devices in the One-Go-All-Go network. You have the option of excluding some devices from the One-Go-All-Go network while including others if you want. However, there's very little reason not to have all your SiXCOMBO and SiXSMOKE sensors operating as One-Go-All-Go.
The Honeywell SiXCOMBO and Honeywell SiXSMOKE devices have 85 dB sounders built inside. These 85 dB sounders are actually just as loud as the 85 dB sounder inside the Honeywell Lyric Alarm Panel. But the advantage to setting up a One-Go-All-Go network with all your SiXCOMBO and SiXSMOKE devices is that it will spread the sound out across a larger area. It may not make the sound any louder, but you can have a sounder in multiple rooms and hallways spread throughout the building. This can be very important if the system is being used in a larger home or business. Not to mention, any Honeywell SiXSIREN devices that you have set up with the system will also begin sounding. The SiXSIREN devices also have 85 dB sounders built inside.
For all programmed SiXCOMBO and SiXSMOKE devices, there is a toggle option within Honeywell SiX Sensor programming for One-Go-All-Go. You can turn it ON or OFF for each individual sensor that is enrolled with the Lyric Alarm System. In most cases, a user will simply enable the One-Go-All-Go feature for each SiXCOMBO and SiXSMOKE device that is enrolled with the Lyric, as there is virtually no reason to want to have every sensor begin sounding in the event of a fire or an outbreak of carbon monoxide gas.
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[@RYCS9]

If the main control panel goes offline, will they still be interconnected?

[@DKAlarmgridSupport]

Hello @CSP0829, If the Lyric or ProA7 Panels go offline, the additional enrolled smokes will not trigger as the panel is not capable of sending the One-go / All go sounder trigger to the other devices. Only the smoke/combo unit that went into alarm will be in alarm.