Siemens NK8237 MP4.81-01 Installation Manual page 25

Building Technologies
CPS Fire Safety
Top view
1
NK8237 electrical interfaces (top view)
Item Name
1 X1
2 X2
3 X3
4 X101
5 X102
6 X103
7 X104
8 X105
Bottom view
Serial RS232-interfaces (bottom view)
Item Name
1 COM 1
2 COM 2
NK8237 hardware installation
321 654321 87654321 21 21
2 3 4 5
Description
USB
Ethernet 2
Ethernet 1
1 output
3 inputs
Power supply
RS485 (in place of COM1)
RS485 (in place of COM2)
Description
In place of X104.
In place of X105.
Hardware installation
6 7 8
1 2
A6V10854379_a_en
30.11.2017
5
9
25