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Chapter 1- Hardware Description
1-20
MPM and MPM+ Configuration Modes
The RMX unit can work with either MPM or MPM+ (but not with both
simultaneously) media cards. The card Type installed in the system
determines the Card Configuration Mode. When MPM card is installed in
the MCU, it operates in MPM Mode. When MPM+ cards are installed, the
RMX operates in MPM+ Mode giving the administrator enhanced control
and monitoring of resource allocation and usage within the system.
MPM+ cards are supported only with d-type chassis and software version
4.0.
Each MPM+ card doubles the MPM capacities. Table 2 summarizes the
resource capacities of the various video resource types in an RMX
containing two MPM and MPM+ cards.
Table 2 MPM+ and MPM Resource Capacity
Port Type
Maximum Possible
MPM MPM+
Voice 400 800
CIF 80 160
SD30 20 60
HD720p 20 40
HD1080p –20
• RMXs with 500MB of memory can support a maximum of 400 simultaneous
voice calls and 120 CIF video calls, regardless of how system resources are
allocated. This limitation applies to RMXs configured with either MPM or
MPM+ cards.
RMXs with 1000MB of memory are not subject to this limitation.
• RMX memory size is listed in the Administration > System Information
properties box.