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Wireless Control Unit Specifications & Power Handling Guidelines for Audio Systems

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garry
18 diapositives · 354 Views · Sep 29, 2014

This document outlines the specifications and capabilities of the Wireless Control Unit (CCU) for audio systems. It details the maximum number of wireless discussion units, interpreter desks, power handling capacities (central control unit and extension supplies), and important guidelines for DCN cable lengths and regeneration requirements. The power consumption for various units is specified, ensuring optimal performance. These instructions are crucial for efficient system design, installation, and operation, ensuring comprehensive audio distribution across venues.

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  1. System Limits • 1. Control facilities CCU Wireless • 245 addresses max. • Max. 150 Wireless Discussion Units • Max. 93 Interpreter desks • Max. 2 DDI’s (Intercom Operator and Ambient Mic) • Channel selectors are passive units and using one reserved address for all. Reserved addresses are not a part of the 245! • 2. Power handling Capacity • Central Control Unit 130 Watt • Extension Power Supply 255 Watt • 3. DCN Cable length • After 100 meter of system cable the signal needs to be regenerated. • Units with the regenerating signal-outlets: • Trunk Splitter & Trunk Splitter protected • Extension power supply • The number of serial tap-off connections from the Wireless CCU to the last tap-off in a branch must not exceed 4. • 250 meter max. from the Wireless CCU to the last unit in the trunk. I&U Instructions DCNW Tech SD Design Calc

  2. Power Consumption in Watt (DCN part) • Dual Delegate Interface 4.5 W Inclusive all connected FM panels. • Interpreter’s Desk 3.6 W • Channel selector unit 0.9 W • Data distribution unit 2.0 W • Extension Power Supply 0.8 W • Trunk Splitter 1.3 W • Trunk Splitter Protected 1.4 W Watt value includes the 2 meter (6.5 ft.) unit-cable. DCNW Tech SD Design Calc

  3. Power Consumption in Watt (Optical part) • Wireless Access Point 4.0 W • Audio Expander Analogue 7.6 W • Audio Expander Digital 6.0 W • Cobra net interface 10.5 W • Optical Network splitter 3.9 W • Fiber Interface (POF/GOF or GOF/POF) 4.6 W I&U Instructions DCNW Tech SD Design Calc

  4. Trunk Tap-off 65 W Power handling capacities Central Control Unit Extension Power Supply 65 W 65 W 85 W 65 W 85 W 85 W 65 W 130 W 255 W I&U Instructions DCNW Tech SD Design Calc

  5. Max. all trunks: • 36 Interpreter desks Max. number of units within 100M from CCU • Max. per trunk: • 18 Interpreter desks Central Control Unit 1 n 18 Cable length per outlet to the last unit  100M I&U Instructions DCNW Tech SD Design Calc

  6. Trunk Tap-off Max. number of units within 100M from EPS • Max. per trunk: • 23 Interpreter desks • Max. all trunks: • 69 Interpreter desks Extension Power Supply 1 n 23 Cable length per outlet to the last unit  100M I&U Instructions DCNW Tech SD Design Calc

  7. Extension Power Supply Trunk-in Trunk-out ** * * * Tap-off outlets which regenerating the digital signal. Trunk Outlet & Tap-Off Outlets • For Trunk-cable splitting with regenerating the digital signal. Trunk Splitter Trunk Splitter Protected I&U Instructions DCNW Tech SD Design Calc

  8. * Tap-off outlets with a limitation of 4,5 Watt. * * Using the Trunk Splitter Protected I&U Instructions DCNW Tech SD Design Calc

  9. Central Control Unit Tap-off Trunk-line Trunk Splitter Tap-off Trunk-line Loop Through Tap-Off Limitations Extension Power Supply 1st Tap-off 2nd Tap-off 1st Tap-off 3rd Tap-off 2nd Tap-off 4th Tap-off 3rd Tap-off 5th Tap-off 4th Tap-off I&U Instructions DCNW Tech SD Design Calc

  10. Central Control Unit Regenerative Tap-off Trunk Splitter Extension Power Supply Regenerative Tap-off Trunk Splitter Extension Power Supply Maximum Cable Lengths 250M I&U Instructions DCNW Tech SD Design Calc

  11. Central Control Unit 10m (32.8ft.) 20m (65.6ft.) 50m (164ft.) Longest Extension Cable example • The length of cable used in a system has a direct influence on the load of a system. • The second in- line trunk- splitter has two extension cables connected to it, with lengths of 20 m and 50 m. • When determining the cable length of a Trunk-outlet or Tap-off outlet, the longest extension cable only is taken in to account. • Therefore, the total extension cable lengthfrom a single Trunk-outlet of the CCU is calculated as 10+50= 60 m (196.8 ft.) I&U Instructions DCNW Tech SD Design Calc

  12. Power calculation Example-1 Central Control Unit 10x 5x 1 2 40m. DCNW Tech SD Design Calc

  13. Trunk Tap-off Power calculation Example-2 Extension Power Supply 10x 10x 35m. 3 4 5 DCNW Tech SD Design Calc

  14. Cable correction graph I&U Instructions DCNW Tech SD Design Calc

  15. Fiber Interface • The fiber interface is used to: • convert from plastic optical fiber (POF) cable to glass optical fiber (GOF) cable and vice versa. • cover distances of more than 50 m in the optical network. I&U Instructions DCNW Tech SD Design Calc

  16. Nodes Cable lengths graph I&U Instructions DCNW Tech SD Design Calc

  17. Coverage Area Wireless Access Point • The maximum coverage area of the wireless access point is dependent upon its power. DCNW Tech SD Design Calc

  18. How to Design and Calculate a system End of section DCNW Tech SD Design Calc