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Building Technologies Basic documentation: Communication via the KNX bus CE1P3127en
HVAC Products Large plants 30.08.2007
8.2 LTE filter table for couplers and IP routers
Area/line couplers and IP routers with an integrated LTE filter table make it possible
to filter LTE telegrams, so reducing the amount of data traffic.
The valid LTE filter table versions are version R2 and later for the Siemens
area/line coupler N140/13, and version R4 and later for Siemens IP router N146.
This means that the couplers and IP routers must be stamped R2 and R4
respectively (see section 1.4).
Note: S-mode telegrams are not subject to LTE filtering.
8.2.1 Filter settings
The filter settings in the area/line couplers and IP routers are:
• Normal (route) LTE telegrams of predefined zones and zone addresses
are filtered (see the table in section 8.2.2)
• Route all All LTE telegrams are routed
• Block all All LTE telegrams are blocked
The required filtering mode is selected in ACS Service via Applications > Popcard…
for the data point "LTE telegrams" (see screenshot).
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