Cadac C Series Hardware Overview
Dante network bridge
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- Hardware overview (63 pages)
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Summary of Contents for Cadac C Series
- Page 1 Cadac Dante Network Bridge CM-DT64 Hardware Overview CM-DT64_26-05-2023_Iss-1.docx Page. 1 / 36...
- Page 2 Left Intentionally Blank CM-DT64_26-05-2023_Iss-1.docx Page. 2 / 36...
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Page 3: Table Of Contents
Table of Contents Important Safety Information For US and CANADA Only General Precautions Declaration of Conformity Introduction Overview Front Panel Controls Rear Panel Shipping Details Remote Network Bridge Units Dante Bridge Overview MegaCOMMS: Data Protocol CM-DT64 Dante Bridge Hardware Overview: Front Panel Front Panel Connecting the Hardware MegaCOMMS... - Page 4 Appendix B: Audinate Dante Controller Details Routing Screen Device Configuration Screen Clock Status Screen Networking screen Appendix C: Updating Firmware Appendix D Technical Specifications Dimensions and Weights Notes: CM-DT64_26-05-2023_Iss-1.docx Page. 4 / 36...
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Page 5: Important Safety Information
Important Safety Information CAUTION: These servicing instructions are for use by qualified personnel only. To reduce the risk of electric shock, do not perform any servicing other than that contained in the User Manual unless you are qualified to do so. Refer all servicing to qualified service personnel. 1. -
Page 6: General Precautions
General Precautions • Do not place heavy objects on the Network Bridge, expose it to sharp objects or handle the unit in any way that may cause damage, e.g., rough handling and /or excessive vibration. • Do not subject the equipment to dirt, dust, heat or vibration during operation or storage. Never expose the Network Bridge to rain or moisture in any form. -
Page 7: Declaration Of Conformity
Declaration of Conformity The following pages show the individual declarations of conformity, for both the CE and UKCA marks, for the Cadac CM-DT64 Dante audio network bridge. CM-DT64_26-05-2023_Iss-1.docx Page. 7 / 36... - Page 8 We, SCC Audio Limited, of 1 New Street, Luton, Bedfordshire, LU1 5DX declare under our of Conformity (DoC) sole responsibility that the Cadac CM-DT64 Dante bridge, as detailed below complies with CM-SR Series the provisions of the following UKCA Directives and is eligible to bear the UKCA mark:...
- Page 9 We, SCC Audio Limited, of 1 New Street, Luton, Bedfordshire, LU1 5DX declare under our (DoC) sole responsibility that the Cadac CM-DT64 Dante bridge, as detailed below complies with CM-SR Series the provisions of the following European Directives and is eligible to bear the CE mark:...
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Page 10: Introduction
“high-agility” user interface utilising a wide format touch screen. Professional sound engineers familiar with other digital consoles will find the transition to the Cadac workflow quick and intuitive. -
Page 11: Overview
Overview The Cadac CM-DT64 unit is used as part of a larger audio system made up of multiple units: digital mixing console(s) and remote MegaCOMMS I/O device(s). The CM-DT64 is an audio network bridge enabling Dante units to be incorporated within Cadac’s MegaCOMMS audio network. -
Page 12: Rear Panel
Rear Panel The only connections that are not on the front panel are the power connections for the dual internal, auto switching, power supplies. The connectors accept the standard and locking IEC cables. 1. PSU connectors: The dual internal PSUs have an input range of 100-240 V AC~50-60Hz, the output requirements are +17 V, -17 V, +12 V, with a front mounted power switch. -
Page 13: Remote Network Bridge Units
Remote Network Bridge Units Two remote network bridges are available: • CM-DT64: 1U Dante Network Bridge: 64 inputs and outputs at 96 kHz, 88.2 kHz, 48 kHz or 44.1 kHz operation • CM-MD64: 1U MADI Network Bridge: 64 inputs and outputs at 96 kHz, 88.2 kHz, 48 kHz or 44.1 kHz operation Up to two MegaCOMMS remote network bridges devices can be connected directly to the console. -
Page 14: Dante Bridge Overview
Dante Bridge Overview The Cadac CM-DT64 is a 1U, Dante to MegaCOMMS audio network bridge, enabling Dante units to be incorporated within a MegaCOMMS audio network. The unit supports up to 64 bi-directional connections to map between MegaCOMMS ports and a Dante network. -
Page 15: Megacomms: Data Protocol
MegaCOMMS: Data Protocol Communication between the unit and the control surface is via a proprietary Cadac high speed protocol called MegaCOMMS. The protocol uses high-speed 75 ohm coaxial cable terminated in BNC connectors or depending on the unit, via fibre optic cable using the duplex optical LC ports. -
Page 16: Cm-Dt64 Dante Bridge Hardware Overview: Front Panel
CM-DT64 Dante Bridge Hardware Overview: Front Panel Front Panel 1. MegaCOMMS ports: 4 x RG6 BNC connectors - in 2 pairs - carry all audio and control data between the control surface and other MegaCOMMS devices such as stage racks and consoles. - Page 17 7. WC: Word Clock status. These LEDs no longer function. Status is shown in the Dante Controller software. 8. SYNC: Synchronisation status. These LEDs no longer function. Status is shown in the Dante Controller software. 9. Word Clock IN / Word Clock OUT: Word clock IN no longer is active. Word clock OUT - on BNC connectors for 75 ohm co-axial cable - to act as the synchronisation of the digital signal within the network.
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Page 18: Connecting The Hardware
Connecting the Hardware MegaCOMMS Cadac’s proprietary MegaCOMMS hi-speed data protocol is used to interconnect the network bridge to the console. The CM-DT64 Dante network bridge and the console have four BNC sockets to provide the main system data interconnection, labelled OUT (TX) A, IN (RX) A and OUT (TX) B, IN (RX) B:... -
Page 19: System Connection Options
/ or the stage rack. Any redundancy link cables must use ports B on both units. Console with a CM-DT64 and CM-SR stage rack: Non-Redundant System System below using one CM-DT64 and CM-SR stage rack using coaxial cables only Coaxial Cable Run ≤ 100m Cadac CM-J series SR series stage rack CM-DT64 Coaxial Cable Run ≤... - Page 20 System below using one CM-DT64 and CM-SR stage rack with the CM-SR rack using fibre optic cable Fibre Optic Cable Run ≤ 2 km Cadac CM-J series SR series stage rack Coaxial Cable Run ≤ 100m CM-DT64 NOTE: With the system setup above MegaCOMMS PORT A on the CM-DT64 and stage rack MUST be connected to the console.
- Page 21 System below using one CM-DT64 and CM-SR stage rack using coaxial cables only Cable Run ≤100m CM-SR series stage rack Cadac CM-J series Coaxial Cable Run Linking CM-DT64 and CM-SR ≤ 100m Cable Run ≤100m CM-DT64 NOTE: With the system setup above MegaCOMMS PORT A on the CM-DT64 and stage rack MUST be connected to the console.
- Page 22 NOTE: Only RG6 video cable suitable for 3G HD-SDI (High-Definition Serial Digital Interface) should be used for the Cadac MegaCOMMS connections. The cables should be terminated in BNC connectors of the appropriate type, and total system cable run should not exceed 100m (surface-to-stage rack or stage rack to stage rack as a snake).
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Page 23: Setting Up The Cm-Dt64 For A Dante Network
Setting up the CM-DT64 for a Dante Network The following sections provide a guide on how to set up the Cadac CM-DT64. The following Audinate software is also required in order to use the CM-DT64 on a Dante network: •... -
Page 24: Channel Configurations Available
Channel Configurations Available Channel configuration per Dante port dependent on sample rate selected: MegaCOMMS MegaCOMMS Fsample Port A I/O Port B I/O mapping mapping 44.1 / 48 kHz 1-64 Not used 88.2 / 96 kHz 1-32 33-64 Both Dante cards must be set to the same Word clock rate - even if only one card is being used. Below are the front panel status LEDs that indicate the Word clock rate of the CM-DT64: 44.1 kHz 48 kHz... -
Page 25: Front Panel Dip Switch 1
Front Panel Dip Switch 1 - 2 - 3 Settings for Different Sample Rates This function is now done via the Dante Controller software. Front Panel Dip Switch 4 - 5 Settings for Different WORD CLOCK Modes This function is now done via the Dante Controller software. Important Notes Dante port connections are identified via MAC addresses on the Dante Controller. -
Page 26: Appendix A: Example Of Simple System Test Setup
Digital Audio Dante Source / Controller Cat5e / 6 Cable PC (i5 Intel 16 Gb Ram min spec) Gigabit Ethernet Switch Cat5e / 6 Cables Cadac CM-DT64 MegaCOMMS Ports Dante Ports RG6 Cables Speaker Local I/O MegaCOMMS Ports Routing GUI... -
Page 27: Rack Id Rotary Hex Switch Position
Rack ID Rotary Hex Switch Position Select address 2 on the CM-DT64 rotary Hex switch NOTE: Always set the rack address while the unit is OFF or restart the unit if changed while it was ON. Check Power switch LED is illuminated Check all BNCs illuminated Check that the MegaCOMMS LEDs Tx and Rx are illuminated Check that Dante Port A Ethernet LEDs are active... -
Page 28: Appendix B: Audinate Dante Controller Details
Appendix B: Audinate Dante Controller Details This program may be downloaded from the Audinate website. Link: Dante Controller Software It is free, but you may need to register to get a copy. Once installed, the program automatically searches out any Dante enabled devices connected to the PC, and then allows you to configure each device. -
Page 29: Device Configuration Screen
Device Configuration Screen The screen below demonstrates how the required sample frequency should be set-up for each device (separate screens will exist for each Dante port). CM-DT64_26-05-2023_Iss-1.docx Page. 29 / 36... -
Page 30: Clock Status Screen
Clock Status Screen The screen below shows how each Dante port is running - either FOLLOWING or as the WORD CLOCK - in the Dante system. CM-DT64_26-05-2023_Iss-1.docx Page. 30 / 36... -
Page 31: Networking Screen
Networking screen The screen below demonstrates how each CM-DT64 port is running, either as SWITCHED or REDUNDANT. Normally this should be set and left as SWITCHED. Only when you are implementing a fully redundant Dante network should you select REDUNDANT. CM-DT64_26-05-2023_Iss-1.docx Page. -
Page 32: Appendix C: Updating Firmware
Appendix C: Updating Firmware The CM-DT64 operating system undergoes a programme of continuous development, as a result the unit may be updated by loading new versions of the firmware as they become available. This can be done via Dante’s “Dante Updater”. Dante Updater is a desktop application that allows you to update the Dante firmware and software on Dante hardware devices. -
Page 33: Technical Specifications
2 x Brooklyn cards 32 inputs and 32 outputs simultaneous streams on each card at 96 kHz Audio buffering of up to 2000 samples per channel Comms 2 x Cadac MegaCOMMS on: • 4 x BNC connectors CM-DT64_26-05-2023_Iss-1.docx Page. 33 / 36... -
Page 34: Dimensions And Weights
Dimensions and Weights Weight: 4.5kg / 9.92lb (approx.) CM-DT64_26-05-2023_Iss-1.docx Page. 34 / 36... -
Page 35: Notes
Notes: CM-DT64_26-05-2023_Iss-1.docx Page. 35 / 36... - Page 36 One New Street written permission of Cadac. Luton Due to Cadac’s policy of continual Bedfordshire improvement Cadac reserves the right to alter features, appearance and specifications England without notice.