Polycom RMX 4000 Hardware Guide
Table 
Operating temperature  | 10°– 40°C (50°– 104°F).  | 
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Storage temperature  | |
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Relative humidity  | 15% - 90% no condensing.  | 
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Operating altitude  | 60m below sea level, up to 3,000 m (10,000 ft.).  | 
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Operating ESD  | 4kV.  | 
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RMX 4000 System Capacities
The following table summarizes the different system capacities.
Table 
System Functions | MPM+ Mode | MPMx Mode | 
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Maximum number of Video participants in a  | 160  | 180  | 
conference  | 
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Maximum number of PSTN participants in a  | 400  | 400  | 
conference  | 
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Maximum number of VOIP participants in a  | 800  | 720  | 
conference  | 
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Maximum number of Audio calls per second  | 5  | 5  | 
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Maximum number of Video calls per second  | 2  | 2  | 
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Maximum number of Conferences  | 800  | 800  | 
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Maximum number of Meeting Rooms  | 2000  | 2000  | 
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Maximum number of Entry Queues  | 80  | 80  | 
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Maximum number of Profiles  | 80  | 80  | 
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Maximum number of Conference Templates  | 200  | 200  | 
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Maximum number of SIP Factories  | 80  | 80  | 
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Maximum number of IP Services  | 1  | 1  | 
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Maximum number of ISDN Services  | 2  | 2  | 
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