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34 Chapter 2: Getting started with your Matrox 4Sight GPm unit
Important
Important
Using a PoE device with your Matrox 4Sight GPm
If powering external devices with your Matrox 4Sight GPm unit using
Power-over-Ethernet (PoE), you must connect the device to your
Matrox 4Sight GPm unit using the PoE Gigabit Ethernet connectors (labeled as
PoE on the chassis) and not the standard Gigabit Ethernet connectors (labeled as
LAN on the chassis). Note that, Power-over-Ethernet must be enabled in the BIOS
before it can be used; if not enabled, the connectors operate as standard Gigabit
Ethernet connectors. Refer to Appendix C: Matrox 4Sight GPm (Ivy Bridge) BIOS
reference or Appendix D: Matrox 4Sight GPm (Bay Trail) BIOS reference for more
information.
❖ Note that, when enabled, each Matrox 4Sight GPm PoE port is powered at
+48 V
, for a maximum load of 15.40 Watts.
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A PoE camera connected to your Matrox 4Sight GPm must be electrically isolated
from the Matrox 4Sight GPm's chassis ground (functional ground). If required,
use some isolation material between the camera and its fixture (camera mount).
The Matrox 4Sight GPm unit's provides a connected PoE device +48 V
power. This power supply is not electrically isolated from the chassis ground. It is
important to avoid any alternate current return path to the Matrox 4Sight GPm
unit, which could jeopardize proper operation of your PoE camera.
The following precautions should be taken whenever using PoE ports or
peripherals:
• Make sure that your Matrox 4Sight GPm unit is turned off prior to connecting
or disconnecting any PoE peripherals.
• Enable Power over Ethernet (PoE) only on the ports that require it. If a peripheral
does not require power from the Ethernet cable, keep PoE disabled on that port,
through the BIOS.
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