1 Basic Description 1.1 Features Ø Interface compatible system FTZ 123, 6-8 wires Ø Maximum 2 push-button Ø A part of is relay for open electric lock (No-Com-Nc) Ø Permanent lighting through visiting cards without external power supply Ø Activate communication indicated LED on front panel 1.2 Module Assembly The NFTZ structural elements are the basic modules with two or one buttons.
1.2.1 NFTZ Module The NFTZ module is supplied in two variants – with two NFTZ2 buttons and one NFTZ1. Fig. 1 Rear view of basic module NFTZ – Installation and Operating Instructions...
1.2.2 Setting voice communication Trimmer "MIC" be instrumental to setting loudness of microphone, trimmer "SPK" be instrumental to setting loudness loudspeaker. In this version is big reserve in gain, therefore isn't recommended adjust more than on half, typical is in 1/3 from minimum gain. Trimmer "TRH" be instrumental to setting levels activation of microphone, it means, so as doorphone "non whoop"...
Each button has its separate nameplate hold by means of plastic flag (see figure). The paper nameplates can be printed from Excel form (to be downloaded on www.alphatech.cz). NFTZ – Installation and Operating Instructions...
3 Wiring of connector +24V power from PABX ground – common wire acoustic signal of speech Tl.1 push button 1 Tl.2 push button 2 control of lock switch control of speech ground – common wire NFTZ – Installation and Operating Instructions...
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NFTZ – Installation and Operating Instructions...
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Guarantee conditions: The product was shop-checked. The producer guarantees that this product will keep the features described in these operating instructions in the course of guarantee provided that the user will be handled with it as described in the operating manual. The guarantee will be extended by period of possible guarantee repair.
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