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RMX 2000 Administrator's Guide - Polycom Support

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<strong>Polycom</strong> <strong>RMX</strong> <strong>2000</strong>/4000 Administrator’s <strong>Guide</strong><br />

Video Display with CIF, SD and HD Video Connections<br />

Although any combination of CIF, SD and HD connections is supported<br />

in all CP conferences, the following rules apply:<br />

• In a 1X1 Video Layout:<br />

— SD: If the speaker transmits CIF, the MCU will send CIF to all<br />

participants, including the SD participants. In any other layout<br />

the MCU will transmit to each participant at the participant’s<br />

sending resolution.<br />

— HD: The MCU transmits speaker resolution (including input<br />

from HD participants) at up to SD resolution. If 1x1 is the<br />

requested layout for the entire duration of the conference, set the<br />

conference to HD Video Switching mode.<br />

• In asymmetrical Video Layouts:<br />

— SD: A participant in the large frame that sends CIF is displayed<br />

in CIF.<br />

— HD: Where participants’ video windows are different sizes, the<br />

<strong>RMX</strong> transmits HD and receives SD or lower resolutions.<br />

• In panoramic Video Layouts:<br />

— SD: Participants that send CIF also receive CIF.<br />

— HD: the <strong>RMX</strong> transmits HD and receives SD or lower<br />

resolutions, the <strong>RMX</strong> scales images from SD to HD resolution.<br />

Setting the Maximum CP Resolution for Conferencing<br />

The maximum CP resolution of the system is determined by the<br />

MAX_CP_RESOLUTION system flag. The default setting of the flag is<br />

HD 1080.<br />

The flag values determine the maximum CP capability that each endpoint<br />

can declare:<br />

Table 2-2 System Flag – MAX_CP_RESOLUTION Values<br />

Flag Value<br />

MPM MPM+<br />

Each endpoint can declare capability up to:<br />

HD1080 HD HD1080<br />

HD720 HD HD720<br />

2-5

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