Polycom 4000 ユーザーズマニュアル
RealPresence Collaboration Server (RMX) 1500/1800/2000/4000 Administrator’s Guide
Polycom®, Inc.
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Master-Slave Star Cascading Topology
● When creating a cascading link between two Collaboration Servers:
The Collaboration Servers operate in CP (Continuous Presence) mode.
● When creating a cascading link between MGCs and Collaboration Servers:
The MGCs can only operate in VSW mode (not supported with Collaboration Server 1800).
The following table summarizes Video Session Modes line rate options that need to be selected for each
conference in the cascading hierarchy according to the cascading topology:
conference in the cascading hierarchy according to the cascading topology:
To establish the links between two Collaboration Servers requires the following procedures be performed:
● Establish the Master-Slave relationships between the cascaded conferences by defining the dialing
direction.
MIH Cascading – Video Session Mode and Line Rate
Topology
MCU Type
Video Session Mode
Line Rate
Endpoint
Level 1
Collaboration Server
CP - HD
1.5Mb/s, 1Mb/s, 2Mb/s
HDX
Level 2
Collaboration Server
Level 1
Collaboration Server
CP - CIF
768Kb/s, 2Mb/s
VSX
Level 2
Collaboration Server
Level 1
MGC
CP - CIF 263
768Kb/s, 2Mb/s
HDX, VSX
Level 2
Collaboration Server
CP - CIF 264
Level 1
MGC
VSW - HD
1.5Mb/s
HDX
Level 2
Collaboration Server
VSW - HD