Hardware installation
5
NK8237 hardware installation
27
Building Technologies
A6V10854379_a_en
CPS Fire Safety
30.11.2017
WARNING
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 the local environmental standards and regulations.
X103: Power Supply
Power connections.
Power supply
Pin
Assignment
Primary
1
+
2
Earth
3
–
N/A
4
Not used
N/A
5
Not used
Secondary
(optional)
6
+
7
Earth
8
–
X2/X3: Ethernet Connector
A standard RJ45 connector connects Ethernet. Category 5 or 6 UTP cabling is best
suited.
Ethernet connections.
Pin
Assignment
1
TX+
2
TX–
3
RX+
4
n.c.
5
n.c.
6
RX–
7
n.c.
8
n.c.
X101: Onboard I/O (Output Relay)
Onboard I/O (output relay).
Pin
Assignment
1
Common
2
NO output
3
NC output