TIM DNP3
System Manual, 12/2015, C79000-G8976-C253-04
41
Network structures and configurations
Overview of the possible network types
With the DNP3 TIM, hierarchical networks consisting of control center and stations and if
required node stations can be set up via a WAN.
DNP3 communication is possible between station and control center via IP-based WANs:
● Via Ethernet (copper cable)
● Over fiber-optic cable
– For example by using SCALANCE X switches with optical ports; this allows distances
of up to 120 km to be covered.
or also
– In conjunction with transmission systems such as PCM30 or OTN
● Dedicated lines
Dedicated lines, private or leased copper cable or fiber-optic cable can be used as classic
WANs for the data transmission. A suitable dedicated line modem is required for data
transmission, for example the dedicated line modem MD2.
● Dial-up networks
The following networks can be used for data transmission:
– Private wireless networks
– Analog telephone network
– Digital ISDN network
– Mobile wireless network (GSM)
Communication relations between DNP3 subscribers
Possible communications relations
● A DNP3 master station can communicate with several DNP3 stations.
● A DNP3 station can communicate with several master stations.
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