Polycom RMX 1500 Administrator's Manual page 950

Polycom RMX 1500/2000/4000 Getting Started Guide
F-6
2
In the IP Network Services list pane, double click the Management
Network entry.
The Management Network Properties dialog box is displayed.
3
Select the Secured RMX Communication check box.
4
Click OK.
Alternate Management Network
The Alternate Management Network enables direct access to the RMX for
support purposes. Access to the Alternate Management Network is via a
cable connected to a workstation. The Alternate Management Network is
accessible only via the dedicated LAN 3 port.