Honeywell ETCS Operation Instruction Manual page 19

Ethernet Touch Call Station (ETCS)
3.3.4 "Network Call" page
The "Network Call" page delivers audio from the VARIODYN ® network, which can be "Mic" / "Line In" or the audio
source of the network-connected ETCS or the DAL input of the network-connected DOM.
Fig. 14: "Network Call" page (e.g. ETCS input)
All the network calls will use the same call property.
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FB 798685.GB0 / 03.20