janitza 14.02.001, User Manual And Technical Data, Page: 85 / 86

www.janitza.com UMG 804
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16.2 Using POE power for the UMG 804
·UMG 804s with the DC power input option can
be powered by POE using a POE splitter.
·The nominal voltage for DC input is 24 V DC.
·A POE port splitter is required to separate the
Ethernet and DC feed.
·Each UMG 804 uses 3 Watts of power.
16.3 Spanning Tree / Ring Topology
·UMG 804s may be set up in a Spanning Tree
topology when daisy chained to avoid outages
from the interruption of a connection in the wi-
ring.
·Ensure that the router and or switch is capable
of a Spanning Tree mode and that this function is
enabled.