Note
IEEE 802.3af-2003 PoE standard provides up to 15.4 W of DC power
(minimum 44 V DC and 350 mA) to each device. Only 12.95 W is assured to
be available at the powered device as some power is dissipated in the cable.
IEEE 802.3at-2009 PoE standard also known as “PoE+” or “PoE plus”,
provides up to 25.5 W of power. The 2009 standard prohibits a powered
device from using all four pairs for power.
For more information on PoE and frequently asked questions, reference the
Emerson Wireless Gateway white paper.
3.3 Establishing a connection
Note
For information on connecting a Windows 7 PC, see Technical Note
(document number 00840-0900-4420).
Procedure
1. Connect the PC/laptop to the Ethernet 1 (Primary) receptacle on the
Gateway.
Figure 3-4: Gateway PC/Laptop Connection
+ +
+
+
+
-
-
-
-
-A B
S S
S
S
S
24 V DC
Power Input
Modbus
Not Used
Not Used
Not Used
Not Used
Case
S
POE
P2 P1
A
B
A PC/laptop
B Ethernet 1 receptacle
CAUTION
Do not connect to the Ethernet 2 with power (covered) port. This
port supplies power and could damage the PC/laptop.
2. To establish the PC/laptop settings, navigate to Start → Settings →
Network Connections.
a) Select Local Area Connection.
Quick Start Guide September 2020
8 Emerson.com/Rosemount
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