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5.2.4
Power over Ethernet
The MR3000C/TR provides the option to be used as a Powered Device (PD) using Power over
Ethernet (PoE) according to IEEE 802.3af standard. An appropriate commercial/industrial PoE
switch along with a 48 VDC supply allows you to use the LAN connector as a combined
communication/power plug.
The PoE switch injects the 48 VDC into the data lines which are then extracted by the
MR3000C/TR. According to the selected PoE switch, multiple instruments may be linked to a
combined communication/power network. Optionally a battery or UPS may be hooked to the PoE
switch to accommodate for power interruptions.
Note: A PoE surge protection may be added close to the MR3000 for internal PoE protection.
Figure 5.2.3. MR3000C and a laptop being powered from a PoE switch, via LAN connectors.
5.2.5
Combined Power Options
The MR3000 may also be powered by a combination of PoE and an auxiliary external 12 VDC
supply (battery or AC/DC). In this case, the MR3000 automatically manages the power sources.
5.3
Additional services
This section describes the download of files from the MR without using the interactive method in
the tab Recording List in the WebUI (see chapter 4.7). The files can be also downloaded in the
Section Manual Recording (see Section 4.1.1).
MR3000CMR3000C_TR_v2.0_rev1.odt
subject to technical change without notice
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