NK822x Structure and Functions
18
Building Technologies
048_DMS_NK8000_ICC_MP4.40_A6V10062437_a_en.doc
Fire Safety & Security Products 06.2011
4.2 Internal DIP switches
The internal DIP switches enable a download session via FTP using a default IP
address.
Note: There are two internal DIP switches, but only DIP switch 2 is presently used.
Internal switch Functions
DIP switch 1 Not presently used.
DIP switch 2 Default mode/network access:
If DIP-switch 2 is ON, an FTP connection occurs by default on the
Ethernet at the default IP address 192.168.9.41.
Tab.3. Internal DIP switches
4.3 Internal jumpers
The internal jumpers (see Fig. 2) are used for:
JP3: When closed, it disables the box tamper alarm;
JP6: When closed, it enables the LON termination resistor (100Ω) for a doubly
terminated bus topology.
Fig. 2 NK822x internal DIP switch and jumpers
CN4
JP3: Disable tamper or
connect to external
tamper
JP6: Enable LON resistor
CN1
CN3
DIP-Switches
Tamper switch
Reset button
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