User guide
Polycom RMX 1500/2000/4000 Getting Started Guide
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• Closed Caption provides real-time text transcriptions or language 
translations of the video conference.
• Message Overlay allows messages to be sent to all participants in an 
ongoing conference.
• PCM enables the conference chairperson to control various 
conference features using his/her endpoint’s remote control device.
• Video Preview allows RMX users to preview video sent from the 
participants to the conference and from the conference to the 
participants.
• Auto Redial when Endpoint Drops instructs the RMX to automatically 
redial IP and SIP participants that have been abnormally 
disconnected from the conference.
• Operator Assistance & Participant Move for conferences in CP mode.
Card Configuration Modes
Three Card Configuration Modes are supported:
• MPM Mode – Supported with MPM cards in all RMX 2000 versions 
prior to Version 7.1.
• MPM+ Mode – Supported from Version 4.0, with MPM+ cards 
installed in the RMX 2000 and RMX 4000. It offers:
— Two Video/Voice Resource Capacity resource allocation modes for 
increased control over system resource allocation.
— Enhanced Resource Report for more accurate system 
management.
— Additional video resolutions and video quality.
• MPMx Mode – Supported from Version 7.0, with MPMx cards 
installed in the RMX 1500, RMX 2000 and RMX 4000. Over and above 
MPM+ it offers:
— Increased resource capacity.
— Additional symmetric HD resolutions.
— H.264 High Profile.
— Additional line rates.
From Version 7.1, MPM media cards are not supported.










