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bel Digital Audio SAM64, Инструкция по установке и эксплуатации

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Bel Digital Audio Limited

3 Horwood Court

Bletchley

Milton Keynes

MK1 1RD

United Kingdom

Tel: +44 (0)1908 641063

Email: [email protected]

URL: www.beldigital.com

Содержание SAM64

Страница 1: ...Installation and User Guide SAM64 SDI to AES MADI interface PSU LED INDICATION GREEN OK RED FLASH WARNING SYNC WK VID AES SDI 1 SDI 2 1 2 SAM64 AES MADI SDI ...

Страница 2: ... with other waste Instead it is the user s responsibility to dispose of their waste equipment by handing it over to a designated collection point for recycling of waste electrical and electronic equipment The separate collection and recycling of your waste equipment at the time of disposal will help to conserve natural resources and ensure that it is recycled in a manner that protects human health...

Страница 3: ...ion 9 Hardware Considerations 9 Power Supply Considerations 9 Fuses And Ratings 9 Unit Connections 9 SDI Inputs 9 AES3 Outputs 9 MADI Outputs 10 RS 422 Port 10 GPIO Port 10 ETHERNET Port 11 Setting Up Operation 12 Block Diagram 12 Sample Rate Converters 12 GPIO Control 12 Synchronisation 12 Sync To Wordclock 13 Sync ToVideo Black And Burst 13 Sync To AES3 13 Sync To The SDI Inputs 13 Clock Outputs...

Страница 4: ...ratus There are no user replaceable fuses 19 An external over current protection device is required to protect the wiring to this apparatus This protection device must be installed according to current wiring regulations In certain countries this function is supplied by use of a fused plug 20 If an extension power cable or adaptor is used ensure that the total power rating of the power cable and o...

Страница 5: ...SERVICING The lightning flash with arrowhead symbol within equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating in...

Страница 6: ... s range of operating temperature and relative humidity RH are as follows Temperature 5 ºC to 40 ºC RH Operating 20 to 80 What s In The Box Unpacking Unpack the SAM64 with care It is always a good idea to store all packaging if practical in case you ever need to return the unit to Bel Digital Audio for any reason The shipping carton should contain the items listed below Please contact your distrib...

Страница 7: ...tch scroll through the possible external sync sources The adjacent amber LEDs indicate the currently selected source When the LED for the desired source is on the switch may be placed in the latching down position to prevent inadvertent further changes of sync source SWITCH POSITION FUNCTION CENTRE NO ACTION UP MOMENTARY INCREMENTS SYNC SOURCE SELECTION DOWN LATCHES LOCKS SYNC TO CHOSEN SOURCE SRC...

Страница 8: ...ted green SDI video active loopthrough outputs 1 to 4 4 x BNCs internally illuminated red AES3 outputs 37 way female Dsub Co axial MADI output BNC Optical MADI output ST Ext Ref input BNC Wordclock out BNC AES3 sync out BNC GPI O port 9 pin female Dsub RS 422 port 9 pin female Dsub Ethernet port RJ45 AC inputs 2 x IEC sockets ...

Страница 9: ... of four separate SDI video signals Four BNC sockets are provided at the rear panel for connecting the SDI inputs The characteristic impedance is 75 Ω The SAM64 is compatible with all SDI formats up to 3G 2 9 Gbps and auto detects between them See the Technical Specifications on page 16 for full list of compatible formats Each SDI input has an active loopthrough output to simplify the connection o...

Страница 10: ...s all 16 channels from all four SDI inputs The channel numbering within the MADI bitstream is one to one i e Channel 1 of SDI 1 becomes MADI Channel 1 Channel 2 of SDI 1 becomes MADI Channel 2 and so on for the remainder of SDI 1 s audio channels Then Channel 1 of SDI 2 becomes MADI Channel 17 and the cycle repeats If less than four SDI inputs are in use the MADI bitstream time slots corresponding...

Страница 11: ...athode of the LED to the tally output and the anode via a suitable resistor to an external DC voltage of not more than 24 V The 0 V reference of the external DC voltage should be connected to pin 5 0 V PIN 5 PIN 6 PINS 7 9 ARE IDENTICAL LED EXT PSU OPEN COLLECTOR TALLY OUTPUTS ETHERNET Port The SAM64 includes a standard Ethernet port an RJ45 socket This functionality is not implemented ...

Страница 12: ...ned in the defining standards for all SDI formats As with all operations involving digital audio it will generally be desirable for the audio outputs of the SAM64 to be synchronised in frequency and or phase with a master reference clock which will also synchronise all other digital audio processing in the facility To achieve this the SAM64 includes four 16 channel Sample Rate Converters SRCs one ...

Страница 13: ... for 75 ohm coaxial transmission and connected to the REF IN connector on the rear panel Note With synchronisation set to AES if no valid sync source is detected the front panel AES LED will flash from firmware v5 only Sync To The SDI Inputs Any of the four SDI inputs may be used to reference the audio outputs The audio present in Group 1 of the selected SDI source is extracted and used to derive ...

Страница 14: ...e sample rate converters compensate for any minor frequency differences between the incoming SDI 48 kHz and the reference 48 kHz thus locking the audio to the reference 48 kHz b The sample rate converters are used to phase align the audio content within the independent SDI sources prior to them being combined and transmitted as a MADI stream Unless synchronising to an SDI source that incorporates ...

Страница 15: ... Hz SD Wordclock input 48 kHz 50ppm DC coupled positive going pulses AES3 input AES3 input at fs 48 kHz Wordclock output 48 kHz nominal AES3 output Digital audio signal compliant with AES3 1992 GPIO PORT GPIO port connector 9 pin female Dsub Input functions 4 x SRC select short to ground Output functions 4 x SRC status open collector OTHER CONTROL RS 422 9 pin female Dsub for possible future use E...

Страница 16: ...Bel Digital Audio Limited 3 Horwood Court Bletchley Milton Keynes MK1 1RD United Kingdom Tel 44 0 1908 641063 Email info beldigital com URL www beldigital com ...

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