
1-5
Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 MCU Releases 5.6 and 5.7
OL-17013-01
Chapter 1 Functionality
Port Capacities
Cisco Unified Videoconferencing 3545 MCU conferencing includes these cards:
• Cisco Unified Videoconferencing 3545 MCU—An MCU card that is responsible for the signaling
and the audio. When working alone, this card can only do audio conferencing of 96 audio ports. It
can be mixed and matched with up to four EMP cards to create a 96 flat port video bridge. The
Cisco
Unified Videoconferencing 3545 MCU card has no video capabilities.
• Cisco Unified Videoconferencing 3545 EMP Enhanced Media Processor (EMP)—A video
processing blade that can support 48 standard rate video ports (up to 384 Kbps), 24 high rate video
ports (up to 2Mbps) or 12 high rate video ports (up to 4 Mbps).
Table 1-2 shows the port capacity for different Cisco Unified Videoconferencing 3545 MCU
configurations.
Ta b l e 1-2 Cisco Unified Videoconferencing 3545 MCU Port Capacities
Cisco Unified
Videoconferencing
3545 MCU
System Configuration
Port Capacity Port Capacity
When Using
Encryption
Port Capacity
When In-band
DTMF Detection
1 MCU card 96 audio 72 audio 72 audio
4 MCU cards 384 audio 288 audio 288 audio
1 MCU card + 1 EMP card 96 audio
48 standard rate video (up to 384
Kbps)
24 high rate video (up to 2 Mbps)
16 High Definition Continuous
Presence
72 audio 72 audio
1 MCU card + 2 EMP cards 96 audio/48 video
96 standard rate video (up to 384
Kbps) = 2 conferences of 48 ports
48 high rate video (up to 2 Mbps)
= 2 conferences of 24 ports
32 High Definition Continuous
Presence = 2 conferences of 16
ports
72 audio 72 audio
1 MCU card + 3 EMP cards 96 audio
96 standard rate video (up to 384
Kbps) = 2 conferences of 48 ports
72 high rate video (up to 2 Mbps)
= 3 conferences of 24 ports
48 High Definition Continuous
Presence = 3 conferences of 16
ports
72 audio 72 audio
8 MCU cards 768 audio 576 audio 576 audio
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