Polycom RealPresence 1500 Administrator's Manual page 833

Ultra Secure Mode
4 If needed, add the MCU to the RMX Manager's MCUs list if it was not pre-populated during
installation.
a Right-click in the RMX Manager window.
b Select Add MCU.
c Enter the MCU Name.
d Enter the IP Address of the MCU.
e Leave the port as Port 80 until such time that the RMX is placed into Secure Mode.
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