DigiDesign 882/20 Installation Manual
Digidesign
882|20 I/O Audio Interface
Installation Guide
Digidesign Inc.
3401-A Hillview Avenue
Palo Alto, CA 94304 USA
tel: 650·842·7900
fax: 650·842·7999
Technical Support (USA)
650·842·6699
650·856·4275
Product Information
650·842·6602
800·333·2137
Fax on Demand
1-888-USE-DIGI (873-3444)
World Wide Web
www.digidesign.com
Digidesign FTP Site
ftp.digidesign.com
Copyright
This User’s Guide is copyrighted ©1999 by Digidesign, a
division of Avid Technology, Inc. (hereafter “Digidesign”), with
all rights reserved. Under copyright laws, this manual may not
be duplicated in whole or in part without the written consent of
Digidesign.
DIGIDESIGN, AVID and PRO TOOLS are trademarks or
registered trademarks of Digidesign and/or Avid Technology,
Inc. All other trademarks are the property of their respective
owners.
All features and specifications subject to change without
notice.
PN 932707755-00 REV A 11/99
Communications & Safety Regulation Information
Compliance Statement
The model 882/20 I/O complies with the following standards
regulating interference and EMC:
• FCC Part 15 Class A
• EN55103 – 1, environment E4
• EN55103 – 2, environment E4
• AS/NZS 3548 Class A
• CISPR 22 Class A
Radio and Television Interference
This equipment has been tested and found to comply with the
limits for a Class A digital device, pursuant to Part 15 of the
FCC Rules.
Communications Statement
This equipment has been tested to comply with the limits for a
Class A digital device. Changes or modifications to this product
not authorized by Digidesign, Inc., could void the Certification
and negate your authority to operate the product. This product
was tested for CISPR compliance under conditions that
included the use of peripheral devices and shielded cables and
connectors between system components. Digidesign
recommends the use of shielded cables and connectors
between system components to reduce the possibility of
causing interference to radios, television sets, and other
electronic devices.
Safety Statement
This equipment has been tested to comply with USA and
Canadian safety certification in accordance with the
specifications of UL Standards; UL813 and Canadian CSA
standard; CSA C22.2 No.1-M90. Digidesign Inc., has been
authorized to apply the appropriate UL & CUL mark on its
compliant equipment.
Important Safety Instructions
When using electric or electronic equipment, basic precautions
should always be followed, including the following:
• Read all instructions before using this equipment.
• To avoid the risk of shock, keep this equipment away from
rain water, and other moisture. Do not use this equipment
if it is wet.
• The equipment should only be connected to the correct
rating power supply as indicated on the product.
• Do not attempt to service the equipment. There are no
user-serviceable parts inside. Please refer all servicing to
authorized Digidesign personnel.
• Any attempt to service the equipment will expose you to a
risk of electric shock, and will void the manufacturer’s
warranty.
• The product should be connected only to the correct power
supply as indicated on the product.
contents
Chapter 1. Using the 882/20 I/O
882/20 I/O Interface
882/20 I/O Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
882/20 I/O Back Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Making Signal Connections to the 882/20 I/O
Choosing between +4 dBu and –10 dBV operation modes . . . . . . . . . . . . . . . . . . . . . . . 5
Setting Up Your Studio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Using the 882/20 I/O Interface as Stand-Alone Audio Converter
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Appendix A. Technical Specifications
A/D Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
D/A Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
. . . . . . . . . . . . . . . . . . . . . . . 6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Contents
iii
882/20 I/O
iv
Using the 882/20 I/O
The 888/20 I/O™ is an 8-channel digital
audio interface which features 20-bit analog-to-digital, and 20-bit digital-to-analog
converters for superior dynamic range, reduced noise floor, and the capability to
work with the full 24-bit mixing, editing,
processing, and mastering environment of
Pro Tools.
The 882/20 I/O can be used in two ways:
As a 20-bit Audio Interface for a
◆
Pro Tools 24, or Pro Tools III-PCI system
As a stand-alone 2-channel, 20-bit audio
◆
converter
This User’s Guide explains each of the indicators and connectors on the front and
back panels of the 882/20 I/O. It also explains how to use the 888/20 I/O with a
Digidesign Pro Tools system, as well as
how to use it as a stand-alone 20-bit audio
converter in your studio.
882/20 I/O Interface
The following section explains all of the
connectors and indicators on the front and
back panels of the 882/20 I/O Interface
and how they are used.
882/20 I/O Front Panel
The 882/20 I/O has the following front
panel indicators, moving from left to right:
20
Front panel of the Digidesign 882/20 I/O
1. Power
This switch applies power to the 882/20.
The “I” position is on. The “O” position is
off.
2. Sync Mode
The Sync Mode LEDs indicate which sample rate clock reference is currently used by
the analog-to-digital converters (ADCs)
and the digital-to-analog converters
(DACs).
Using the 882/20 I/O
1
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