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ProfiHub A5/B5 User Manual
5.7 Termination
The termination of the Main-Channel has been set to OFF by default. If the ProfiHub is the last device
on the bus, the termination should be set to ON (
).
Fig. 18
The termination of the Channels have been set to ON by default. Because it is assumed that the new
segment is started at the ProfiHub (
).
Fig. 18
Fig. 18 - Termination Switches
The termination LED of the specific Channel is activated when the termination switch is set to ON.
When the DB9 connector is used and the cable starts at the ProfiHub, it is recommended to
use the termination on the DB9 plug and NOT the ProfiHub.
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Version 2.1.1 – June 2014
Page 35 / 59
ProfiHub-A5B5-Manual-EN
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