Nemesis MADISW User Manual Download Page 10 | Manualshive

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Nemesis MADISW User Manual Download Page 10

Nemesis Audio

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Technical Specifications

Mains Input Voltage:  ..............................................................................................100-240VAC 50/60Hz
MADI Optical Connection:  ..................................................................................... FDDI Duplex SC Fibre
MADI Optical Distance: .................................................................................................................. >500m
MADI Coax Connection:  ....................................................................... 75 Ohm BNC as per AES10-1991
MADI Coax Minimum Input Level (Internally terminated to 75 Ohm) .......................................... 0.2Vpp
MADI Coax Output Level (Terminated to 75 Ohm): .................................................................... 0.36Vpp
MADI Coax Maximum Distance: (Cable dependent) .............................................................. 60m-100m
Word Clock Input Level Range: (Internally terminated to 75 Ohm)  ............................. 2.0Vpp – 5.6Vpp
Word Clock Output Level (Terminated to 75 Ohm): ...................................................................... 3.8Vpp
Word Clock Frequency Range: ....................................................................................... 44.1kHz – 96kHz

Internal Jumpers

Label

On

P1-1

Reserved

P1-2

Reserved

P1-3

Switch Source on Rising Edge of Clock (See “Technical Info”)

P1-4

Switch Source on Falling Edge of Clock (See “Technical Info”)

Connector Pinout

REMOTE: 5-PIN FEMALE XLR

Connection

Pin Number

Common (12V)

1

Switch B (Close to 12V)

2

Switch A (Close to 12V)

3

Lamp B (Relay Contact to Internal GND)

4

Lamp A (Relay Contact to Internal GND)

5

Notes:

*This manual is based on MADISW Firmware v1.1.

Document Revision 1.1 17/01/17 RC
Document Revision 1.2 03/06/17 RC

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Summary of Contents for MADISW

Page 1: ...Nemesis Audio 1 MADISW v1 1 MADI DIGITAL AUDIO SWITCHOVER MADISW DIGITAL AUDIO SWITCHOVER USER GUIDE ...

Page 2: ...ibution circuit to simplify system connection All MADI signals are delivered in their original format meaning that additional control over MADI data such as desk control is unaffected by the unit s processing Auto sensing channel input circuitry can help to increase reliability by utilising redundant input connections in the case of cable or output driver failure During normal operation to switch ...

Page 3: ...ote that the MADISW is a switcher and not a processor so the clock signal found in the distributor circuit is not multiplexed into the outgoing MADI signal nor will the unit strip clock from any incoming MADI signal This indication is for the word clock sub circuit only and not an indication of MADI sync There is no requirement to use this word clock distributor if an alternative system is availab...

Page 4: ...el B Optical IN OUT SC Fibre Connector Channel B MADI inputs and outputs This connector takes priority over the BNC input when an input is present at both connectors of the same channel See Modes of Operation for signal routing information Coax IN OUT 75 Ohm BNC Connector Channel B MADI inputs and outputs This connector will be active only when no signal is present at the optical connection See Mo...

Page 5: ...nel B using either the BNC or optical inputs The switched output will be available at both the Channel A and Channel B outputs on both the BNC and optical connections Channel A input is mirrored on AUX 1 output and Channel B input is mirrored on AUX 2 output This mode is useful for recording or split applications 3 Aux Distribution AUX 1 and AUX 2 output connections mirror the AUX IN connector Thi...

Page 6: ...ete power down the unit and boot again as normal The modes are indicated by the Output Mode LEDs as follows AUX SWITCHED MIRROR INPUTS DISTRIBUTION GREEN Aux Switched Aux outputs both follow main output YELLOW Fast Flashing Mirror Inputs Aux outputs mirror each input YELLOW Slow Flashing Aux Distribution Aux Outputs mirror Aux input OUT A SWITCHED MIRROR INPUT GREEN Out A Switched Channel A output...

Page 7: ...d expecting to see a similar level or identical bit pattern is near impossible There is no stream of 0 s for silence for example as the levels of encoding will always be resulting in continuously variable numbers This means that the output of any physical level switching system at the point of switch will introduce a temporary corruption of data into the signal stream and it will be down to the re...

Page 8: ...refined switching and routing solution based on Option 1 of the discussion above The unit is tailored to provide flexible switching between 2 MADI sources into a receiving input whist also taking care of redundant system connection word clock distribution and format conversion between optical and co axial MADI connections Inputs and Outputs are provided on both 75 Ohm BNC connectors and SC Fibre O...

Page 9: ... a switchover whenever the button is pressed which could cause data corruption at any frame position in the stream and may result in multiple channels suffering clicks bangs etc It should be noted this will not be any worse than any other MADI switching solution which doesn t rely on clock edge switching Because all data remains in its native format the unit is able to switch all sample rates and ...

Page 10: ... 75 Ohm 2 0Vpp 5 6Vpp Word Clock Output Level Terminated to 75 Ohm 3 8Vpp Word Clock Frequency Range 44 1kHz 96kHz Internal Jumpers Label On P1 1 Reserved P1 2 Reserved P1 3 Switch Source on Rising Edge of Clock See Technical Info P1 4 Switch Source on Falling Edge of Clock See Technical Info Connector Pinout REMOTE 5 PIN FEMALE XLR Connection Pin Number Common 12V 1 Switch B Close to 12V 2 Switch...

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