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Chapter 6: Pinout Diagrams for the DB-25 Connectors

37

TDIF DB-25

GND_A

GND_A

GND_C

22PF

22PF

GND_C

MH2

CH12_RCV_DATA

GND3

CH56_RCV_DATA

CH12_XMT_DATA

CH78_RCV_DATA

GND4

GND6

GND5

CH34_XMT_DATA

XMT_FS1

RCV_FS0

RCV_FS1

XMT_LRCK

RCV_LRCK

RCV_EMPHASIS

CH56_XMT_DATA

GND7

XMT_FS0

CH34_RCV_DATA

GND2

XMT_EMPHASIS

MH1

DB25F_RA_TDIF

GND1

CH78_XMT_DATA

GND8

GND9

7-8

CLK+CTRL

1-2

3-4

5-6

1-2

3-4

5-6

RCV DATA

XMT DATA

RCV

CLK+CTRL

XMT

7-8

GND_C

27

13

23

11

1

10
22

15

14
2

19

20

8

5

9
21

3
16

6

12
24

18

26

25

4
17

7

NC=

NC=
NC=

FB30

FB31

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Summary of Contents for HD I/O

Page 1: ...HD I O Guide...

Page 2: ...MediaComposer MIDI I O MIX MultiShell Nitris OMF OMF Interchange PRE ProControl Pro Tools M Powered Pro Tools Pro Tools HD Pro Tools LE QuickPunch Recti Fi Reel Tape Reso Reverb One ReVibe RTAS Sibel...

Page 3: ...D I O 13 Connecting HD I O to HD Native Cards 14 Connecting HD I O to Pro Tools HD Cards 16 Chapter 4 Configuring HD I O in Pro Tools 19 Hardware Setup 19 Configuring HD I O 21 Using Input Trims 28 Ch...

Page 4: ...tion Mode Instructions 39 About Calibration 39 Calibrating the HD I O 40 Switching Jumpers on the Analog Output Card 42 Appendix A Compliance Information 43 Environmental Compliance 43 EMC Electromagn...

Page 5: ...96 kHz 176 4 kHz and 192 kHz with Analog In and Analog Out HD I O cards Soft Clip and Curv limiting circuits to protect against clipping on analog input Digital I O Up to 16 channels of 24 bit digita...

Page 6: ...ed and approved For complete system requirements and a list of qualified computers operating systems hard drives and third party devices visit www avid com compatibility Registration Review the enclos...

Page 7: ...l of our guides use the following conventions to indicate menu choices and key commands The names of Commands Options and Settings that appear on screen are in a different font The following symbols a...

Page 8: ...e latest online manuals browse the Compatibility documents for system re quirements search the online Knowledge Base or join the worldwide Pro Tools community on the User Conference Training and Educa...

Page 9: ...een LED Ring Indicates that the unit has pow ered up successfully and is connected to an ac tive system Orange LED Ring Indicates that the unit has power but the computer it is connected to is shut do...

Page 10: ...stem clock If no valid clock source is de tected HD I O will switch to internal clock the DIG LED will flash and an error message will appear on screen in Pro Tools LOOP Indicates that the HD I O is s...

Page 11: ...can add even more I O capacity up to a maximum possible 110 inputs and outputs See Chapter 5 Adding or Removing I O Cards Analog Input The HD I O Analog In card contains connectors for analog audio i...

Page 12: ...ms for eight channels of analog audio output These balanced outputs operate at 4 dBu levels See Chapter 6 Pinout Diagrams for the DB 25 Connectors Output Trims The Output Trims below the DB 25 connect...

Page 13: ...ith real time sample rate conversion on input only Note that Optical S PDIF is not supported with the Digital I O card and is supported with the enclosed Optical ports only for more informa tion see O...

Page 14: ...PDIF Digital In and Out These are unbalanced RCA jacks that receive and send two channels of S PDIF audio S PDIF supports up to 24 bit audio at sample rates up to 192 kHz DigiLink Mini Ports PRIMARY...

Page 15: ...CLOCK IN and OUT The Word Clock I O ports are standard BNC connectors that receive and output word clock signal These ports can be used to synchronize HD I O with any word clock capable device Word C...

Page 16: ...ple Pro Tools HD peripherals together such as Pro Tools HD audio interfaces and SYNC HD AC Power This connector accepts a standard AC power ca ble HD I O is auto power selecting 100V to 240V and will...

Page 17: ...DigiLink Mini adapter You can add additional HD audio inter faces to your system using the Expansion port on the back of HD I O or using additional Pro Tools HD cards See Connecting HD I O to Pro Tool...

Page 18: ...ni cable 2 Connect the additional HD I O or other compatible Pro Tools audio interface by doing one of the following Connect the Primary Port of the secondary interface to the Expansion Port of the pr...

Page 19: ...he SYNC HD Guide For an example of connecting multiple Avid HD audio interfaces see Figure 2 below To make Loop Sync connections 1 Connect the Loop Sync Out of each interface to the Loop Sync In of th...

Page 20: ...ble included with your Pro Tools HD system and a DigiLink to DigiLink Mini adapter 2 Do one of the following Connect the Primary Port of the second HD I O to the Expansion Port on the first HD I O wit...

Page 21: ...s see Figure 4 below To make Loop Sync connections 1 Connect daisy chain the Loop Sync Out of each interface to the Loop Sync In of the next interface with a BNC cable 2 Connect the Loop Sync Out of t...

Page 22: ...HD I O Guide 18...

Page 23: ...te setting appears as the default sample rate when you create a new session This setting is available in the Hardware Setup dialog only when no session is open To change the default Sample Rate for ne...

Page 24: ...common signal Depending on your audio interface configuration and the selected sample rate external options can include S PDIF Encl at all sample rates Optical S PDIF Encl up to 96 kHz AES EBU Encl at...

Page 25: ...etup dialog This il luminates all the LEDs on the front panel of the selected audio interface 4 Make a note of which interface in your studio setup corresponds to the identified interface 5 Repeat the...

Page 26: ...ut in multiple I O formats including analog AES EBU ADAT Op tical S MUX S PDIF and TDIF The Main page of the Hardware Setup dialog is where you define which physical inputs and out puts on your audio...

Page 27: ...onal AES EBU I O ports on the optional card are listed as AES EBU 9 10 AES EBU 11 12 AES EBU 13 14 and AES EBU 15 16 Digital Format Select from the following digital input formats for the built in dig...

Page 28: ...dBV Balanced DB 25 Analog Input port on the card Limiter HD I O provides options for soft limiting on each of the available analog input channels Se lect the desired option from the corresponding Lim...

Page 29: ...or responding physical inputs on the HD I O Digi tal card If no HD I O Digital Expansion card is installed these tabs are not available Digital Format Select from the following digital formats for the...

Page 30: ...AT 9 16 for the second card if pres ent At sample rates of 88 2 kHz and higher two ADAT options are available SRC and S MUX ADAT 1 8 Enable this option for eight channels of ADAT input This is the onl...

Page 31: ...nabled automatically for all in put channels ADAT S MUX At sample rate higher than 48 kHz with ADAT S MUX selected as the Digital Format Sample Rate Conversion can be enabled or disabled for all input...

Page 32: ...ing the Input Trims Consider the following when connecting a mixer If your mixer cannot handle more than 1 5V RMS inputs at 4 dBu then you should set the HD I O to operate at 10 dBV line level If your...

Page 33: ...ent studio setups If you remove any of the cards from the HD I O the unit will continue to function as long as at least one card is installed albeit with reduced I O capabilities Removing an I O Card...

Page 34: ...u removed from the I O card 11 Replace the top cover on the HD I O 12 Replace the original screws Hardware Setup Changes After Removing a Card In this case the Hardware Setup dialog will re flect the...

Page 35: ...y installed I O card that you want to replace see Removing an I O Card on page 29 6 Look into the empty bay to locate the guide rails for the card to slide in on 7 Remove the Expansion I O card that y...

Page 36: ...t connects the I O card to the HD I O chassis This ridge is only on one side of the connector and there is a matching groove on only one side of the 50 pin connector on the card 14 Gently push the cab...

Page 37: ...e original three cards a second Analog Input tab will appear in the Hardware Setup dialog You can route these new inputs which will in this case be called Analog Inputs 9 16 with the same controls and...

Page 38: ...HD I O Guide 34...

Page 39: ..._HOT CH6_GND CH5_GND CH5_HOT CH5_COLD CH8_GND NC_1 CH1_GND CH2_HOT CH8_HOT MH1 1 8 7 6 5 4 3 2 27 12 24 11 23 22 21 9 8 7 20 14 3 15 16 17 4 5 19 18 6 2 13 25 10 1 26 4 Analog Outputs MH2 CH1_COLD CH1...

Page 40: ...0 14 3 15 16 17 4 5 19 18 6 2 13 25 10 1 26 MH2 CH12_RCV_COLD CH12_RCV_HOT CH34_RCV_GND CH34_RCV_COLD CH56_RCV_GND CH56_RCV_HOT CH56_RCV_COLD CH78_RCV_GND CH78_RCV_HOT CH78_RCV_COLD CH78_XMT_COLD CH56...

Page 41: ...GND4 GND6 GND5 CH34_XMT_DATA XMT_FS1 RCV_FS0 RCV_FS1 XMT_LRCK RCV_LRCK RCV_EMPHASIS CH56_XMT_DATA GND7 XMT_FS0 CH34_RCV_DATA GND2 XMT_EMPHASIS MH1 DB25F_RA_TDIF GND1 CH78_XMT_DATA GND8 GND9 7 8 CLK C...

Page 42: ...HD I O Guide 38...

Page 43: ...l scale dig ital clipping level Headroom The concept of headroom is slightly different for analog and digital devices Analog Most analog devices allow for a certain amount of headroom above 0 VU If yo...

Page 44: ...Signal Generator plug in on the track 7 Set the Signal Generator plug in output level This should be the same value you entered as the Calibration Reference Level such as 18 dB 8 Set the Signal Genera...

Page 45: ...h Auxiliary Input track receiving an external input signal now displays the reference level coming from the calibrated output default is 18 dB 3 Adjust the HD I O input level trim pots with the same s...

Page 46: ...ch the jumpers for output channels on an Output card 1 Remove the Output card from the HD I O chas sis as described in Chapter 5 Adding or Re moving I O Cards 2 Place the card on a stable static free...

Page 47: ...help conserve natural resources and ensure that it is recycled in a manner that protects human health and the environment For more information about where you can drop off your waste equipment for re...

Page 48: ...ent thereby declaring conformity to EMC Directive 2004 108 EC and Low Voltage Directive 2006 95 EC Korean EMC Regulations Communication Statement Note This equipment has been tested and found to compl...

Page 49: ...receptacles and the point where they exit from the equipment 11 Only use attachments accessories specified by the manufacturer 12 For products that are not rack mountable Use only with a cart stand tr...

Page 50: ...HD I O Guide 46...

Page 51: ......

Page 52: ...ro Serra Boulevard Daly City CA 94014 3886 USA Technical Support USA Visit the Online Support Center at www avid com support Product Information For company and product information visit us on the web...

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