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4 Hardware installation
4.1
Building Technologies
Fire Safety & Security Products
The NK8237 unit can be installed in the existing cabinets by mounting the plastic
housing on a DIN rail.
Environmental requirements
The NK82xx units should always be installed in a protective housing, away from
dust, high temperature and humidity, vibrations and impacts.
Conditions and power supply should match the specific requirements given in the
Technical Data section on the specific NK82xx model datasheet.
Network requirements
Ethernet IEEE 802.3, 10Base-T (100Base-T also possible for NK823x), RJ-45
connection
Fixed IP address (DHCP not supported)
Stable network with guaranteed transmission characteristics (no down-times for
maintenance, predictable network load).
For the special mounting kits, refer to the NK8000 datasheets.
WARNING
The installation must be carried out by technically qualified personnel.
NK8237 hardware installation
Installation
1. Install the NK8237 unit on the DIN rail.
2. Connect fire subsystems on the Ethernet line.
3. Connect the Modbus serial device line or the Modbus station Ethernet line.
4. If used, connect the power supply supervision module DF8090.
5. Connect power supply.
NK8237 power supply
See Figure
WARNING
Do not connect or disconnect any device when the device is powered on!
Hardware installation
NK8237 hardware installation
if using a DF8090 supervision module.
4
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A6V10403182_a_en
30.09.2014
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