Siemens NK8223 - Page 39

Hardware installation
NK822x hardware installation
5
39
Building Technologies
A6V10062437_a_en
Fire Safety & Security Products 30.06.2013
Bottom view
1 2
3 4
Serial RS232 interfaces
Item Name Description
1 COM 3 —
2 COM 4 —
3 COM 1 In place of CN4
4 COM 2 —
Note: NK8222 and some NK8223/NK8225 configurations do not include
COM3/COM4.