Specifications

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54 - User's Manual

You can add VAST or free standard ST7501 as the sub-stations. The number of sub-stations can be
added to the server depends on your key dongle. The VAST server will automatically detect the USB
dongle installed on your host PC. Following is an illustration for two-level hierarchical architecture:

Please note that the following cyclic relay is not allowed.
Server A
Server C
Server B
Add server B
as substation
Add server C
as substation