Polycom RMX 2000/4000 Administrator’s Guide
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Ethernet Settings (RMX 4000 Only)

The RMX 4000 is set to automatically identify the speed and transmit/
receive mode of each LAN port used by the system. However, these
settings may be manually modified if the specific switch requires it.
To modify the automatic LAN port configuration:
1On the RMX menu, click Setup > Ethernet Settings.
The Ethernet Settings dialog box opens.
Although the RTM LAN (media card) port is shown as Port 1 in the Ethernet
Settings and Hardware Monitor, the active LAN connection is Port 2.