ABB i-bus
®
KNX
Commissioning
IPR/S 3.5.1 | 2CDC502099D0211 Rev. A 31
3.4
Use of the integrated tunneling servers
The IP Router Secure offers five additional physical addresses, which can be used for a tunneling
connection. These so-called tunneling servers can be used with the ETS as a programming interface or
with another client, e.g. a visual display system.
Tunneling involves a client connecting to a bus line. The tunneling process uses UDP, but includes a data
link layer so that telegrams are repeated in the event of an error.
Tunneling V2 is supported from ETS 5. TCP is used instead of UDP here, and the TCP’s data link layer is
used for transmission.
Note
The physical address for the tunneling connection must fit the topology. Therefore, the addresses must
be selected from the address range of the subordinate line. On delivery, all tunneling servers have the
address 15.15.100.
In ETS 5, the first five free addresses in the line are assigned automatically after the Router has been
inserted into a line.
The tunneling servers can also be encrypted with KNX Secure. When KNX Secure mode is activated, a
client will need the password assigned in the ETS.
For details, see chapter 3.5,
Summary of Contents for i-bus KNX IPR/S 3.5.1
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