Siemens NK8000 Series Installation, Configuration & Operation page 39

NK822x power connections
Building Technologies
CPS Fire Safety
Power connections
CN3 CN4
Power supply RS485-1
DF8090
CN1: Ethernet connector
A standard RJ45 connector connects Ethernet. Category 5 or 6 UTP cabling is best
suited.
Pin Assignment
1 TX+
2 TX–
3 RX+
4 n.c.
5 n.c.
6 RX–
7 n.c.
8 n.c.
NK822x hardware installation
BATTERY
Vin
27Ah 12V
Batt
Vin = Voltage In
Vout
Vout = Voltage Out
Batt = Battery
Ethernet connections.
Hardware installation
5
POWER
SUPPLY
A6V10062437_a_en
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