Videx 4000 Series Technical Manual page 7

4000 Series GSM Audio Intercom with Proximity
System Components and Available Versions
BUTTON MATRIX WIRING
Fig. 4
BUTTON MODULE NOTES
If the GSM module has 1 button (Art.4810-1), the additional button module buttons should be wired starting from button number
2 (i.e. the first button of the button module should be connected between a & 2, the next between a & 3 etc.).
If the GSM module has 2 buttons (Art.4810-2), the additional button module buttons should be wired starting from button number
3 (i.e. the first button of the button module should be connected between a & 3, the next between a & 4 etc.).
If the GSM module has 4 buttons (Art.4810-2D), the additional button module buttons should be wired starting from button number
5 (i.e. the first button of the button module should be connected between a & 5, the next between a & 6 etc.).
4000 SERIES BACK BOXES AND MOUNTING FRAMES
Both surface and flush back boxes and mounting frames are available. The size of the frame will depend on the number of modules
that make up the GSM4K/GSM4KCR kit. The last digit of the frame code indicates the number of modules it will take. Frames are
available in gun metal gray finish. The 4000 series mounting frames available are shown in Fig.5 (flush) and Fig.6 (surface) with the
following tables showing the back box dimensions including the part numbers and dimensions for optional flush and surface 4000
series rainshields.
4000 Series GSM Audio Intercom - Technical Manual
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66250754-EN - V1.0 - 18/02/19