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© 2016 Cadac Holdings Ltd. Technical specifications and appearances are subject to change without notice and accuracy is not guaranteed.
DOC02-CDC MC Dante Issue C - November 2016
Quick Reference Guide
Cadac Holdings Limited
One New Street
Luton
Bedfordshire
LU1 5DX
England
Tel: +44 1562 404 202
Email: support@cadac-sound.com
www.cadac-sound.com
Contact
User Guide
This document provides a guide to setting up a
CDC MC Dante for a Dante network
CDC MC Dante Set-up
Description
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Introduction
This guide provides an overview on how to set up a Cadac CDC MC Dante.
The following Audinate software is also required in order to use the CDC MC Dante on a Dante
network:
• ‘Dante Controller’, provided free by Audinate, provides remote control and set up of all Dante
equipment attached to a given Dante audio network. Link
• ‘Dante Virtual Soundcard’, which requires a separate software lic ens e, is needed to send /
receive audio on a Dante network to / from a local DAW or media player. Link
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CDC MC Dante
The CDC MC Dante supports up to 64 bi-directional connections to map between MegaCOMMS ports
and a Dante network.
Two network ports A and B are available to provide the channel count required. Each has a primary
and secondary connection; the secondary connections are for redundant network connections only.
Channel Configurations Available *
Fsample
Port A I/O
MegaCOMMS
mapping
Port B I/O
MegaCOMMS
mapping
44.1 / 48 kHz
64
1-64
Not used
-
88.2 / 96 kHz
32
1-32
32
33-64
176.8 / 192 kHz
16
1-16
16
33-48
MegaCOMMS to Dante audio channel connections are configured on the routing page of the Dante
Controller.
Port A must always be connected when using CDC MC Dante.
Front Panel Dip Switch 1 - 2 - 3: Settings for Different Sample Rates
Fsample
DIP 1 / FS 0
DIP 2 / FS 1
DIP 3 / FS 2
44.1 kHz
ON
OFF
OFF
48 kHz
OFF
OFF
OFF
88.2 kHz
ON
ON
OFF
96 kHz OFF ON OFF
176.8 kHz
ON
OFF
ON
192 kHz
OFF
OFF
ON
Sample rate settings are made via the Dante Controller and MUST be mimick ed via the dip switches
on the CDC MC Dante’s front panel.
ALL ports on a given Dante Network must be configured to the same sample rate via the Dante
Controller. This applies even if you are operating at 48 kHz and only connected to the left hand port.
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Front Panel Dip Switch 4 - 5 : Settings for Different WORD CLOCK Modes
Mode
DIP 4
DIP 5
CDC MC Dante is as SLAVE to the WORD CLOCK derived
from third party equipment attached to the Dante network
Dante Controller MUST be set such that both Brooklyn
ports on CDC MC Dante are set as SLAVE
ON
WORD
CLOCK LED =
S
OFF
SYNC LED
= Dante
CDC MC Dante is as SLAVE to a WORD CLOCK provided at
WORD CLOCK BNC input port
Dante Controller MUST be set such that either Brooklyn
port on CDC MC Dante is set as MASTER
ON
WORD
CLOCK LED =
S
ON
SYNC LED
= Word Clock
CDC MC Dante is the MASTER WORD CLOCK
Dante Controller MUST be set such that either Brooklyn
port on CDC MC Dante is set as MASTER
This is the mode to use when there is one PC (controller +
virtual soundcard) is attached to one CDC MC Dante
OFF
WORD
CLOCK LED =
M
X – Don’t care
SYNC LED =
Both OFF
Several WORD CLOCK modes may be selected when using the CDC MC Dante. The Dante
Controller settings and front panel dip switch settings must align with those shown above.
External WORD CLOCK input BNC signal frequency must mirror the FS settings of the system.
Important Notes
* Dante port connections are identified via MAC addresses on the Dante Controller. Each port
on all CDC MC Dante units has a unique MAC address. The User must work out the MAC
address of each unit, and port, by connecting one at a time to the network, and observing
what device (MAC address) appears on the controller.
• Frequencies 192 kHz and 176.4 kHz are not currently enabled
• DIP switches 6, 7, 8 are not used
• Definitions of Master / Slave operation above DO NOT relate to MegaCOMMS. The CDC MC
Dante will always operate as MegaCOMMS slave either connected to the CDC MC Router or
Cadac digital console hardware.
• One Dante port Tx connection may not be routed to a Rx connection from the same port
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Appendix A: Example of Simple System Test Setup
This is the simplest test to configure, as it requires no DAW or digital audio on the PC and no virtual
soundcard software (this is licenced software and costs money!). It also enables a back to back
analogue audio test to be performed using the dScope.
Connect up equipment as shown below, apply power and switch on:
Gigabit Ethernet Port
Cat5e / 6 Cable
Gigabit Ethernet Switch
Cat5e / 6 Cables
A
B
A
B
MegaCOMMS Ports
Dante Ports
CDC MC Dante
CDC six / seven / eight
MegaCOMMS Ports
A
B
Routing GUI
Analogue Audio Source
dScope / PC Analyser
Speaker
Local I/O
RG6 Cables
Digital Audio
Source /
DAW
Dante
Controller
OR
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Select address 2 on the CDC MC Dante rotary switch
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
Configure the Dante system as follows:
CDC MC Dante, MegaCOMMS address 2 (only one CDC MC Dante in the system)
CDC MC Dante, Front panel DIP 1-3 switch settings 96 kHz (off, on, off)
CDC MC Dante, Front panel DIP 4-5 switch settings CDC MC Dante is MASTER WORD CLOCK
(off, off)
Dante controller, D evice view , Device config. Port A – 96 kHz, Port B – 96 kHz
Dante controller, Routing map* Connection 1 Port A CH1 to Port B CH1
Dante controller, Clock Status, Primary status Port A or B operating as MASTER
Apply analogue audio source to local Mic IN on the console (alternatively connect dScope OUT)
Connect speaker to local Line OUT on Console (alternatively connect dScope IN)
Select CH1 routing on the console GUI:
Input set to analogue audio source port
Send set to Dante 1 port 1
Select CH1 routing on console GUI
Input set to Dante1 port 33
Send set to speaker port
At this point an audio path should now exist between the two analogue ports on the console. This will
be utilising both Dante Port A and B on the CDC MC Dante.
*Important Note: Where audio is routed from Port A to B this method is the only way the audio
loopback will work on the CDC MC Dante. You cannot connect between channels on the same
ports!!!!
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Appendix B: Audinate Dante Controlle r 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.
There are three main screens that need to be considered.
Routing Screen
The example below shows the two Dante ports found on a single CDC MC Dante unit.
Note how the matrix allows connections to be set up between ports.
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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).
This set-up is required in addition to the CDC MC Dante front panel DIP switch settings.
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Clock Status Screen
The screen below demonstrates how each Dante port is running either as WORD CLOCK
SLAVE or MASTER in the Dante system.
This MASTER / SLAVE setup must mimic the front panel DIP settings on the CDC MC Dante
following the rules previously stated in the user guide.
If MASTER / SLAVE settings are incorrect, they can be influenced by clicking on the preferred
MASTER box for a desired port.
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