Hardware Installation
31
Building Technologies 048_DMS_NK8000_ICC_MP4.40_A6V10062437_a_en.doc
Fire Safety & Security Products 06.2011
Pin Assignment
8 n.c.
27Ah 12V
Vin = Voltage In
Vout = Voltage Out
Batt = Battery
Fig. 14 NK822x power connections
Caution! There is a risk of explosion if the battery is replaced with an incorrect
battery type. Use 27Ah 12V batteries. Dispose of the used battery at a recycling
point in accordance with local environmental standards and regulations.
NK822x - CN3: Power supply
Power connections
Pin Assignment
1 + PWR
2 Earth
3 – PWR
4 -
5 -
NK822x CN4 / NK23x X104 and X105: RS485 connectors
RS485 connections
Pin Assignment
1 + RS485
2 – RS485
NK822x (NK8222, NK8223, NK8225) power supply connection
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