MicroScanner Series
Cable Verifiers
Users Manual
38
MicroScanner PoE
To select PoE mode, press
.
The display shows
(searching) while
the tester looks for PoE.
MicroScanner PoE uses the 802.3af, at, and bt standards at
the hardware layer to negotiate and report PoE available
from active sources. It can use the link layer with LLDP (Link
Layer Discovery Protocol) for Type 2 sources only.
Notes
PoE sources do not always meet the wattage
specification for their class.
The tester will verify the maximum power available
if the source’s port is configured to respond to
requests at the hardware layer only. If a source’s
port is configured to respond only to LLDP requests
for high power levels (Classes 5-8), the tester cannot
verify the maximum power available from that
source.
Older 802.3af and 802.3at sources will sometimes
continue to supply power when you switch
between the tester’s PoE and cable test screens. If
this occurs,
(not off) shows on the
PoE screen. If you see this message, disconnect then
reconnect the cable to the tester. The tester will
negotiate with the source and show valid PoE test
results again.
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