Wide Area Extension Systems - Siemens DMS8000 Application & Planning

NK8000 application examples
4.3

Wide area extension systems

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Building Technologies
CPS Fire Safety
Examples for wide area extension systems are:
- Metros
- Pipelines
- Banks with a network of branch offices
- Telecom providers
The following figure shows a typical geographical network configuration. The head-
quarters is equipped with several subsystems connected to an NK8235 Ethernet Port.
The branches where a single fire or security subsystem needs to be centralised, are
equipped with NK8232 Ethernet Ports for a single subsystem. The NK82xx are con-
nected via the LAN or WAN to the remote management station(s). Additionally, dial-
ups are available via modem as backup connectivity in case the network is down.
Fig. 44 Example of a wide area expansion system
049_DMS_DMS8000_Application_Specification_Planning_MP4.81_A6V10063710_a_en.doc
09.2016