DigiDesign 192 I Manual
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DigiDesign 192 I Manual

DigiDesign 192 I Manual

16-channel digital audio interface
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Summary of Contents for DigiDesign 192 I

  • Page 1 192 I/O ™...
  • Page 2 Communications & Safety Regulation Information Digidesign. 003, 003 Rack, 96 I/O, 96i I/O, 192 Digital I/O, 192 I/O, Compliance Statement 888|24 I/O, 882|20 I/O, 1622 I/O, 24-Bit ADAT Bridge I/O,...
  • Page 3 • The equipment should only be connected to the correct rating power supply as indicated on the 192 I/O. • Do not attempt to service the equipment. There are no user-serviceable parts inside. Please refer all servicing to authorized Digidesign personnel.

  • Page 5: Table Of Contents

    About www.digidesign.com ........
  • Page 6 192 I/O Guide...

  • Page 7: Chapter 1. Introduction To The 192 I/O

    (D/A) converters. The 192 I/O • External Clock input and output for synchro- supports sample rates of up to 192 kHz for supe- nizing 192 I/O with external 1x Word Clock rior dynamic range and low noise floor. or 256x (Slave Clock) devices.

  • Page 8: System Requirements

    User Tips are helpful hints for getting the Complete instructions for connecting and con- most from your system. figuring the 192 I/O for your Pro Tools|HD sys- tem are located in the Pro Tools|HD Getting Started Guide. For additional information about...

  • Page 9: About Www.digidesign.com

    News and Events Get the latest news from Digi- design; sign up for a Pro Tools demo. To learn more about these and other resources available from Digidesign, visit the Digidesign website (www.digidesign.com). Chapter 1: Introduction to the 192 I/O...
  • Page 10 192 I/O Guide...

  • Page 11: Chapter 2. 192 I/O Overview

    This chapter describes the front and back panel features of the 192 I/O. See the Pro Tools|HD Getting Started Guide for complete system installation and configuration instruc- tions. If you are adding the 192 I/O to an existing system, see the Expanded Systems Guide . 192 I/O Front Panel...
  • Page 12 However, for sample rates als. (Only one Pro Tools|HD I/O can be Loop higher than 48 kHz, the 192 I/O will generate a Master at a time.) The Loop Master LED will al- choice of 1x or a base rate of 44.1 kHz or 48 kHz, ways be lit with a single interface.

  • Page 13: 192 I/O Back Panel

    Empty Bay for Optional Card Bay 2: Analog Out Card 192 I/O back Panel Although the 192 I/O is a 16-channel audio in- Analog Input terface, it has up to 50 inputs and outputs avail- This section contains connectors for analog au- able through its various back panel connectors.
  • Page 14 192 kHz sample rates in dual-wire page 8, and “Soft Clip Limiting” on page 12. mode. Dual-wire mode uses two of 192 I/O’s physical I/O channels of AES/EBU I/O to carry each single stream of 192 kHz audio. Therefore,...
  • Page 15 Enclosure Connectors Optical (ADAT) [Encl] These are Optical ports that accept up to eight The right half of the back panel of 192 I/O fea- channels of Optical (ADAT) input and output, tures a set of non-removable connectors that are or two channels (stereo) optical S/PDIF input mounted to the enclosure.
  • Page 16 These ports can be used to synchronize • 18” (0.46m), included with each interface the 192 I/O to any device that requires (or pro- • 12’ (3.6m), included with each vides) word clock.

  • Page 17: Using Input And Output Trims

    If you want to switch the input levels of the +4 dBu port, and use the B trims for –10. Or, use 192 I/O from +4 dBu to –10 dB(V), you can ac- A and B to maintain two different trims for any cess these parameters on a channel-by-channel signal input port (+4 dBu or –10 dB(V)).
  • Page 18 At session sample rates above 48 kHz, sam- ple rate conversion for the TDIF and Optical The 192 I/O has two Output Trims for each out- (ADAT) inputs on the Digital I/O card is au- put signal. You can switch between these Out- tomatically enabled on all eight inputs of put Trim levels from within Pro Tools.

  • Page 19: Appendix A. Adding Or Removing I/O Cards

    If you re- move a single card from the 192 I/O, the unit will continue to function while the audio card is being serviced. See “Removing an I/O Card” on page 16.
  • Page 20 Lift off the top of the 192 I/O and set it aside. Remove the five screws on the cover over the empty bay. Do not misplace these screws; note guide rails that they are a different size and shape from the top cover screws.
  • Page 21 Locate the raised ridge in the middle of the Connect the 192 I/O to your Pro Tools|HD 50-pin cable which connects to the 192 I/O system. chassis. This ridge is only on one side of the con- Power on your 192 I/O.

  • Page 22: Removing An I/O Card

    In the event of a problem with one of the cards The additional inputs and/or outputs provided in your 192 I/O, you can remove the card and by the new card will appear in the Hardware send it to Digidesign for repair.
  • Page 23 Pull straight back, lifting very slightly to avoid contact be- tween components on the underside of the card and the 192 I/O back panel faceplate. When you pull a card out, pay particular at- tention to keeping components on the sur-...
  • Page 24 192 I/O Guide...

  • Page 25: Appendix B. Pinout Diagrams For The Db-25 Connectors

    appendix b Pinout Diagrams for the DB-25 Connectors Analog Output DB-25 Analog Input (+4 dBu) DB-25 +4" Analog Outputs CH1_HOT CH1_HOT CH1_COLD CH1_COLD CH1_GND CH1_GND CH2_HOT CH2_HOT CH2_COLD CH2_COLD CH2_GND CH2_GND CH3_HOT CH3_HOT CH3_COLD CH3_COLD CH3_GND CH3_GND CH4_HOT CH4_HOT CH4_COLD CH4_COLD CH4_GND CH4_GND...

  • Page 26: Analog Input (-10Db(V)) Db-25

    CH3_HOT CH56_RCV_COLD CH3_COLD CH56_RCV_GND CH3_GND CH78_RCV_HOT CH4_HOT CH78_RCV_COLD CH4_COLD CH78_RCV_GND CH4_GND CH12_XMT_HOT CH5_HOT CH12_XMT_COLD CH5_COLD CH12_XMT_GND CH5_GND CH34_XMT_HOT CH6_HOT CH34_XMT_COLD CH6_COLD CH34_XMT_GND CH6_GND CH56_XMT_HOT CH7_HOT CH56_XMT_COLD CH7_COLD CH56_XMT_GND CH7_GND CH78_XMT_HOT CH8_HOT CH78_XMT_COLD CH8_COLD CH78_XMT_GND CH8_GND NC_1 NC_1 192 I/O Guide...

  • Page 27: Tdif Db-25

    TDIF DB-25 CH12_RCV_DATA GND1 CH34_RCV_DATA GND2 CH56_RCV_DATA GND3 CH78_RCV_DATA GND4 CH12_XMT_DATA GND5 CH34_XMT_DATA GND6 CH56_XMT_DATA GND7 CH78_XMT_DATA GND8 RCV_LRCK RCV_EMPHASIS CLK+CTRL RCV_FS1 RCV_FS0 XMT_LRCK XMT_EMPHASIS CLK+CTRL XMT_FS1 XMT_FS0 GND9 DB25F_RA_TDIF FB30 FB31 22PF 22PF GND_C GND_C GND_C GND_A GND_A Appendix B: Pinout Diagrams for the DB-25 Connectors...
  • Page 28 192 I/O Guide...

  • Page 29: Appendix C. 192 I/O Calibration Mode Instructions

    The concept of headroom is slightly different for to the level of your mixing console. analog and digital devices. The 192 I/O has +4 dBu and –10 dB(V) inputs, Analog Most analog devices allow for a certain and +4 dBu outputs, each with their own trim amount of headroom above 0 VU.

  • Page 30: Calibrating The 192 I/O

    For example, to have 12 dB of headroom above necessary to type a minus sign here.) 0 VU with the 192 I/O, you must align the in- coming 0 VU 1kHz tone to a level of –12 dBFS. Click OK.
  • Page 31 It is best to calibrate the inputs with the back of brate both the A and B trims, select the active the 192 I/O facing you and the Pro Tools screen trim in the Analog Output tab in the Hardware well in sight.
  • Page 32 14 dB of headroom and its inputs are not adjust- able. When setting up a 96 I/O (particularly in sys- tems using a combination of the 192 I/O and 96 I/Os), it may make sense to calibrate all I/Os for –14 dB headroom. This helps ensure that re-...

  • Page 33: Index

    +4 dBu 7, 8, 11 calibrate 24 calibrating the 888/24 I/O 24 Numerics calibration 11 Cards –10 dBV 7, 8, 11 I/O 7 192 I/O cards Back Panel 7 Analog In 7 Front Panel 5 Analog Out 7 Overview 5 Digital I/O 7...
  • Page 34 Internal clock mode 6 Primary (INT) 6 DigiLink 10 port 10 LED ring 5 legacy Removing an I/O Card 16 peripheral port limitations 11 Removing I/O Cards 13 port 10 Lightpipe Optical port 9 line level 11 192 I/O Guide...
  • Page 35 S/PDIF In/Out 9 Sample Rate 5 conversion 8 conversion, AES/EBU 12 conversion, Optical (ADAT) 12 conversion, TDIF and Optical (ADAT) 12 Session 6 Soft Clip limiter 12 and headroom 12 Sync Mode LEDs 6 synchronization 10 TDIF 8 TDIF DB-25 Pinout Diagram 21 TOS-Link Optical port and 9 Trims...
  • Page 36 DIGIDESIGN TECHNICAL SUPPORT (USA) PRODUCT INFORMATION (USA) INTERNATIONAL OFFICES Visit the Digidesign website 2001 Junipero Serra Boulevard Tel: 650.731.6100 Tel: 800.333.2137 for contact information Daly City, CA 94014-3886 USA Fax: 650.731.6384 Tel: 650.731.6300 Fax: 650.731.6399...

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