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- - USB Camera Extension Kits
    RCU3SL NEW! USB 3.2/RS-232/Power 300′ Camera Extension
    RCU2E NEW! USB 2.0/Ethernet/Power 300′ Camera Extension
    RCU2S USB 2.0/RS-232/Power 300′ Camera Extension
    Media Bridges & Hubs
    MDC6 Serial Hub NEW!Multi Device Controller for Cisco
    RC-SDA5+ NEW! Adds BYOD to RC5 Extension Kits
    RC-SDA4+ NEW! Adds BYOD to RC4 Extension Kits
    RC-EDA RS-232/Ethernet/HDMI Interface & Distribution Amplifier
    RC-SDA RS-232/HDMI/Poly HDCI Interface & Distribution Amplifier
    RC-SDA+ RS-232/HDMI/USB/Poly HDCI Interface & Distribution Amplifier with BYOM
    HDMI Camera Extension Kits
    RC4 HDMI/RS-232/Power 100M Camera Extension
    RC5 Gen2 NEW! 4K60 HDMI/Ethernet/Power 100M Extension
    RC5+ NEW! 4K60 HDMI/Ethernet/Power 100M Extension
    RC6 HDMI/Ethernet/Power 100M Camera Extension Cisco SpeakerTrack 60
    RC7 HDMI/Power/RS-232 100M Camera Extension Poly Director II
    RC8 HDMI/Ethernet/Power 100M Cisco Quad Camera Extension
    RC Fiber HDMI/Power/RS-232 Camera Extension Up to 300 Meters
    Table Extension Kits
    RTK-AM1 NEW! Power/HDMI/Ethernet/USB/Mic BYOM Table Integration Kit
    RTK-X57 Poly Power/HDMI/Ethernet/USB/Mic BYOM Table Integration Kit
    RTK Pro/Plus Cisco Codec Pro, Plus and EQ Power/HDMI/Ethernet/USB/Mic BYOM Table Integration Kit
    RTK-MINI HDMI/Ethernet/USB BYOM Table Integration Kit
    USB Interfaces
    USB-AMV NEW! Alt Mode Video Injector
    USB-PDC NEW! Single-Cable Power Delivery Injector
    USB-PDI NEW! Single-Cable USB-C Adapter
    USB3-1X2 Dual Host/Single Device USB 3.2 Switch
    Mounting Solutions
    TS1 NEW! Under-Table Mounting System
    RC-CUBBY SeriesConceal Wall Mounts
    RCM SeriesDual Gang On-Wall Mounts
    RCP Series Ceiling Pole Mounts
    RCR SeriesIn-Wall Recessed Mounts
    RCV SeriesVESA Mounts
    RCWV SeriesChannel Wall Mounts
    RWM Series NEW! Replacement Wall Mounting Plates for Cisco Room Navigator
    RCT SeriesT-Bar Ceiling Mounts
    RCS SeriesSheetrock Ceiling Mounts
    Rack Shelves
    Cables & Power Supplies
    Mic Extension Kits
    RM-3CP SeriesCisco Mic 20 & Table-J 300′ Extension
    RTK-8CP 8 Cisco Table-E Mic 300′ Extension
    RM-C200 Cisco/Clock Mic 100M Extension
    RM-X57 Poly Mic 300′ Extension
    Mic Adapters
    RM-P20 Cisco Mic 20/Table-J Adaptor
    LM-M60 Cisco Mic 60 Interface
    RM-C303 Cisco/Clock Mic Adaptor
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- - Can’t find it on the site? Need a specific document? Check out our document library.

Solution Finder
Solution Finder
Products
- - USB Camera Extension Kits
    RCU3SL NEW! USB 3.2/RS-232/Power 300′ Camera Extension
    RCU2E NEW! USB 2.0/Ethernet/Power 300′ Camera Extension
    RCU2S USB 2.0/RS-232/Power 300′ Camera Extension
    Media Bridges & Hubs
    MDC6 Serial Hub NEW!Multi Device Controller for Cisco
    RC-SDA5+ NEW! Adds BYOD to RC5 Extension Kits
    RC-SDA4+ NEW! Adds BYOD to RC4 Extension Kits
    RC-EDA RS-232/Ethernet/HDMI Interface & Distribution Amplifier
    RC-SDA RS-232/HDMI/Poly HDCI Interface & Distribution Amplifier
    RC-SDA+ RS-232/HDMI/USB/Poly HDCI Interface & Distribution Amplifier with BYOM
    HDMI Camera Extension Kits
    RC4 HDMI/RS-232/Power 100M Camera Extension
    RC5 Gen2 NEW! 4K60 HDMI/Ethernet/Power 100M Extension
    RC5+ NEW! 4K60 HDMI/Ethernet/Power 100M Extension
    RC6 HDMI/Ethernet/Power 100M Camera Extension Cisco SpeakerTrack 60
    RC7 HDMI/Power/RS-232 100M Camera Extension Poly Director II
    RC8 HDMI/Ethernet/Power 100M Cisco Quad Camera Extension
    RC Fiber HDMI/Power/RS-232 Camera Extension Up to 300 Meters
    Table Extension Kits
    RTK-AM1 NEW! Power/HDMI/Ethernet/USB/Mic BYOM Table Integration Kit
    RTK-X57 Poly Power/HDMI/Ethernet/USB/Mic BYOM Table Integration Kit
    RTK Pro/Plus Cisco Codec Pro, Plus and EQ Power/HDMI/Ethernet/USB/Mic BYOM Table Integration Kit
    RTK-MINI HDMI/Ethernet/USB BYOM Table Integration Kit
    USB Interfaces
    USB-AMV NEW! Alt Mode Video Injector
    USB-PDC NEW! Single-Cable Power Delivery Injector
    USB-PDI NEW! Single-Cable USB-C Adapter
    USB3-1X2 Dual Host/Single Device USB 3.2 Switch
    Mounting Solutions
    TS1 NEW! Under-Table Mounting System
    RC-CUBBY SeriesConceal Wall Mounts
    RCM SeriesDual Gang On-Wall Mounts
    RCP Series Ceiling Pole Mounts
    RCR SeriesIn-Wall Recessed Mounts
    RCV SeriesVESA Mounts
    RCWV SeriesChannel Wall Mounts
    RWM Series NEW! Replacement Wall Mounting Plates for Cisco Room Navigator
    RCT SeriesT-Bar Ceiling Mounts
    RCS SeriesSheetrock Ceiling Mounts
    Rack Shelves
    Cables & Power Supplies
    Mic Extension Kits
    RM-3CP SeriesCisco Mic 20 & Table-J 300′ Extension
    RTK-8CP 8 Cisco Table-E Mic 300′ Extension
    RM-C200 Cisco/Clock Mic 100M Extension
    RM-X57 Poly Mic 300′ Extension
    Mic Adapters
    RM-P20 Cisco Mic 20/Table-J Adaptor
    LM-M60 Cisco Mic 60 Interface
    RM-C303 Cisco/Clock Mic Adaptor
Support
About
Contact
News & Insights
- Video Library
micro(C)eries
ISE 2026
- - Can’t find it on the site? Need a specific document? Check out our document library.

Episode 6: USB Tier Limits Explained

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