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Network Device Connections
This section describes which LAN cables to use and how to supply power (PoE) when connecting each device
in a network.
LAN cable information
Use Category 5 or better LAN cable, and keep cable length under 100 meters. If cable runs of more than 100
meters are required, use a hub or other suitable equipment.
You can also use crossover cables for direct connections between the DWR-R01D, computer, or RMU-01,
without the use of a hub. For details, refer to Figures 3 and 5 in the "System configuration examples" section,
and to "To supply power from the PoE power supply unit" in the "Power supply (PoE) for RMU-01" section.
Power supply (PoE) for Remote Control Unit RMU-01
The RMU-01 supports PoE (Power over Ethernet).
PoE allows powering a device over the Ethernet cables used in a LAN. Because data and power are
routed through a single cable, installation of equipment is facilitated even in locations where providing
a conventional power supply would be difficult. When an IEEE802.3af compliant hub with PoE support is
connected to the network, or when a PoE power supply is connected between the RMU-01 and a regular hub,
the RMU-01 can be powered without requiring another power source.
To supply power from the PoE hub
PC
1) Straight cable
To supply power from the PoE power supply unit
When only one receiver (such as the DWR-R01D)
or the PC is connected to this unit and the
power is supplied to this unit from the PoE power
supply unit
1) Cross cable
2) Straight cable
Notes
The RMU-01 can also be powered from the supplied AC adapter.
Be sure to use Category 5 or better LAN cable.
The length of the LAN cable run between the RMU-01 and other equipment (PoE hub, receiver, etc.) should
not exceed 100 meters.
If a PoE power supply without repeater capability is inserted between the RMU-01 and the target equipment
(DWR-R01D, hub etc.), the combined LAN cable run to the RMU-01 should not exceed 100 meters.
RMU-01
PoE hub
DWR-R01D
RMU-01
PoE power
supply unit
DWR-R01D
When multiple devices including this unit
and the receivers are connected and the
power is supplied to this unit from the PoE
power supply unit
RMU-01
PoE power
supply unit
PC
Hub
PoE power
supply unit
DWR-R01D
1) Straight cable
RMU-01
Network System Configuration
63
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