Siemens NK8223

System limits
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Building Technologies 007798_g_en NK8000 ICC.doc
Fire Safety & Security Products 06.2006
3.4 NK8222 system limits
Network capabilities
 Ethernet IEEE 802.3, 10Base-T, half-duplex, no auto-sensing or auto-
negotiation
 Single host:
– Transport protocol: CEI 79-5B/FEAL 64-bit encryption or CMSDL/IP
 Multiple hosts (up to four):
– Transport protocol: CMSDL/IP
 DHCP (Dynamic Host Configuration Protocol) is not supported. Static IP-
addresses are required for the Ethernet Ports
Subsystem connectivity
The NK8222 subsystem connectivity is limited to 1 subsystem, which can be con-
nected serially or via LON.
The first serial port can be configured as an RS232-interface using connector
COM1 or as an RS485-interface using connector CN4.
Extensions with further subsystems require a substitution of NK8222 with
NK8223.
Interaction capabilities
 See previous section 3.3.