Polycom (RMX) 1500 User Manual

Polycom RealPresence Collaboration Server (RMX) 1500/2000/4000

Polycom, Inc.

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DST MCS 4000 MCUs connect as endpoints to the RMXs or MGCs on higher levels.

Master - Slave Conferences
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It is recommended to have RMX systems at all levels to leverage the high quality video 

and content offered by the RMX.

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In MIH Cascading conferences, although there are multiple levels of Master and Slave 

relationships between conferences, the conference that runs on the MCU on level 1 of 

the hierarchy must be the Master for the entire cascading session. When an MGC is part 

of the cascading topology, it can be configured at any level if MGC Version 9.0.4 is 

installed, otherwise, it must be set as Level 1 MCU.

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Conferences running on MCUs on levels 2 and 3 and can be both Masters and Slaves to 

conferences running on MCUs on levels above and below them.

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All conferences running on MCUs on the lowest level in the configuration (for example, 

level 3 in a 3-level hierarchy configuration) are Slave conferences.

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When the DST MCS 4000 is on level 3 and acting as slave to level 2, the RMX on level 2 

must dial out to it in order for the DST MCS 4000 to be identified as slave. The link 

between the two MCU (dial out participant) is defined as a standard participant and not 

as a cascading link.

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