Connections Overview - Teledyne JCU-3 Installation & Operation Instructions

7.6 Connections overview

1. Alternate power connector
2. Network / PoE connector
The alternate power connector is required when connecting to a network
which does not support Power over Ethernet PoE. The alternate power
connector must be connected directly to a power supply.
Note:
Do not connect the alternate power connector to a SeaTalk
Warning: Powering PoE devices
PoE devices can be powered via an ethernet connection
(PoE) OR via a dedicated power cable.
NEVER connect a PoE device's dedicated power cable when
it is being supplied PoE.
When the PoE device's dedicated power cable is not
connected, any bare end wire connections must be separately
covered with insulation.
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ng network.