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by Cisco
Product Line: Cisco CTI-5310-MCU-K9
Product Type: MCU
Original price $0.00 - Original price $406.00
Original price
$0.00 - $406.00
Current price $406.00
Title: Used

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Product Description

The CTI-5310-MCU-K9 Cisco supports multiple video participants with configurations of up to 10 (720p30 Full HD Ports), 5 (1080p30 or 720p60 Full HD Ports), 20 (x w448p30 SD Ports), and 24 (x w360p30 nHD Ports), alongside 10 additional voice participants for 720p30 HD Ports and 5 for 1080p30 or 720p60 Full HD Ports. It features a wide array of video and audio standards, including H.261, H.263, H.263+, H.263++, H.264, and G.711, G.722, G.722.1, G.728, G.729, MPEG-4 AAC-LC, MPEG-4 AAC-LD, Polycom Siren14/G.722.1, ensuring compatibility and high-quality communication. The device offers robust security features like AES encryption with a 128-bit key, connectivity through RJ-45 Ethernet ports supporting up to 1000-Mbps full and half duplex, manual or autosensing, and consumes 345 W power with a maximum heat dissipation of 1177 BTU/Hour.

Key Feature for the CTI-5310-MCU-K9

  • What is the maximum number of video participants supported in continuous presence video mode at 720p30?
    The system supports up to 10 video participants at 720p30 in continuous presence mode.
  • How many additional voice participants can be added at 1080p30?
    At 1080p30, the system can accommodate 5 additional voice participants.
  • Can the system support custom layouts, and if so, how many?
    Yes, the system supports more than 50 custom layouts.
  • What is the stacking capability of this unit?
    The unit has the ability to stack 2 units together.
  • What are the supported aspect ratios?
    The supported aspect ratios are 16:9 and 4:3.
  • Does the system feature an automatic lecture mode?
    Yes, the system includes an automatic lecture mode.
  • What video and audio standards are supported?
    The system supports video standards H.261, H.263, H.263+, H.263++, and H.264, and audio standards G.711, G.722, G.722.1, G.728, G.729, MPEG-4 AAC-LC, MPEG-4 AAC-LD, and Polycom Siren14/G.722.1.
  • What is the maximum frame rate the system can achieve?
    The system can achieve up to 60 frames per second (fps).
  • What security features are included?
    Security features include a strong password policy, AES encryption with a 128-bit key, Static ARP, and SIP Encryption.
  • What are the system's power requirements?
    The system requires an AC input voltage of 100 to 240 VAC, with a frequency of 50 to 60 Hz, and consumes 345 W of power.

Product Review

The Cisco CTI-5310-MCU-K9 offers versatile video conferencing capabilities with support for up to 20 SD ports or up to 5 Full HD ports, catering to various meeting sizes and requirements. However, its maximum bandwidth per site of 4 Mbps might limit high-quality video experiences in bandwidth-constrained environments. Additionally, while the unit boasts comprehensive video and audio standards compatibility and strong security features, its power consumption and heat dissipation could pose challenges in environments where energy efficiency is a priority.


The Cisco CTI-5310-MCU-K9 is a teleconferencing MCU that provides high-definition video conferencing capabilities. This device is designed to support a variety of video and audio standards, making it a versatile solution for organizations looking to enhance their communication systems. It offers support for up to 10 continuous presence video participants at 720p30 Full HD, and 5 participants at 1080p30 or 720p60 Full HD. For standard definition ports, it can support up to 20 participants at w448p30 and 24 participants at w360p30 nHD. Additionally, it can accommodate 10 additional voice participants for 720p30 HD ports and 5 for 1080p30 or 720p60 Full HD ports. The unit also boasts more than 50 custom layouts, allowing for a tailored video conferencing experience. It has the capability to stack up to two units, enhancing its scalability. Bandwidth per site can go up to 4 Mbps, ensuring high-quality video transmission. The CTI-5310-MCU-K9 supports both 16:9 and 4:3 aspect ratios and includes an automatic lecture mode for streamlined presentations. Key video standards supported include H.261, H.263, H.263+, H.263++, and H.264. For audio, it accommodates a broad range of standards, including G.711, G.722, G.722.1, G.728, G.729, MPEG-4 AAC-LC, MPEG-4 AAC-LD, and Polycom Siren14/G.722.1. This flexibility in standards ensures compatibility with a wide array of video conferencing equipment. Frame rates of up to 60 fps can be achieved, providing smooth video playback. Connectivity is facilitated through RJ-45 Ethernet ports, supporting 10-/100-/1000-Mbps speeds in both full and half duplex modes, with manual or autosensing capabilities. An additional RJ-45 serial port is included for system management purposes. Security is a priority, with features such as a strong password policy, AES encryption with a 128-bit key, static ARP, and SIP encryption. The device includes status LCDs for easy monitoring and an RS-232 port for local control and diagnostics. Its dimensions are 1.75 x 17.4 x 16.7 inches, fitting a standard 19-inch rack, with a mounting kit provided. Weighing 17.6 lbs, it is relatively easy to install. The CTI-5310-MCU-K9 operates on an AC input voltage of 100 to 240 VAC, with a frequency range of 50 to 60 Hz, and consumes 345 W of power. It has a maximum heat dissipation of 1177 BTU/Hour.
  • Operating temperature ranges from 0 °C to 35 °C.
  • Relative humidity should be below 95% (noncondensing) for optimal operation.
  • Automatic lecture mode for seamless presentations.
This device integrates seamlessly into existing networks, offering a comprehensive solution for high-definition video conferencing needs.


Item Number and ManufacturerCisco CTI-5310-MCU-K9
Continuous Presence Video Participants10 participants at 720p30, 5 at 1080p30 or 720p60, 20 at 448p30, 24 at 360p30
Voice-Only Participants10 at 720p30, 5 at 1080p30 or 720p60
Number of Customizable Screen LayoutsOver 50
Maximum Number of Linkable Units2
Maximum Bandwidth per Connection4 Mbps
Supported Screen Ratios16:9 widescreen, 4:3 standard
Automated Speaker TrackingEnabled
Interface LanguageEnglish
Compatible Video ProtocolsH.261, H.263/+/++, H.264
Supported Audio FormatsG.711, G.722/.1, G.728, G.729, MPEG-4 AAC-LC/LD, Polycom Siren14/G.722.1
Maximum Frame Rate60 frames per second
Connection PortsEthernet RJ-45, 10/100/1000 Mbps, adaptive; Serial RJ-45 port
Data Protection MechanismsPassword policy enforcement, 128-bit AES encryption, Static ARP, SIP protocol encryption
Diagnostic DisplaysEquipped
Local Configuration and Troubleshooting PortRS-232 Serial Port
Dimensions1.75 x 17.4 x 16.7 inches
Compatible Rack Width19 inches
Installation AccessoriesProvided
Unit Mass17.6 pounds
Power Requirement100 to 240 VAC
Operational Frequency Range50 to 60 Hz
Energy Usage345 Watts
Thermal Output1177 BTU per hour
Operating Temperature Range0 to 35°C
Humidity ToleranceUp to 95% non-condensing

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