DigiDesign 882/20 Panduan Instalasi - Halaman 9

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5. 50-pin Interface Connector

This 50-pin connector is used to connect

the 882/20 I/O to a MIX card, d24,

Disk I/O, or DSP Farm card. The necessary

cable is supplied with your Audio Inter-

face. If you plan to connect two

882/20 I/O Interfaces to a MIX card or d24

card, a 16-channel peripheral cable

adapter is necessary. (This cable is available

from your Digidesign dealer.)

6. Power Input

This connector accepts a standard AC

power cable. The Interface is auto power

selecting (100 V–240 V), and will automat-

ically work with a standard modular cable

to connect to AC power receptacles in any

country.

Making Signal Connections

to the 882/20 I/O

Depending on how you plan to use the

882/20 I/O, the way you connect it to your

studio will vary.

Choosing between +4 dBu and

–10 dBV operation modes

The 882/20 I/O can be set to operate at

+4 dBu or –10 dBV input and output lev-

els. It is important that you determine

which line level mode is appropriate for

your studio. In +4 dBu operating mode,

the 882/20 I/O is a 20-bit digital audio de-

vice capable of producing audio signals at

or near +18 dBu. Check the owner's man-

ual for your mixer, power ampliﬁer or ef-

fects processor to see if it can handle this

load. If it cannot, consider setting the

882/20 I/O to operate at –10 dBV line lev-

els.

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 882/20 I/O to operate at

–10 dBV line level.

If your mixer can handle up to 6.15V

(RMS) inputs, or has pads or attenuators

on its inputs, then you can use the +4 dBu

setting on the 882/20 I/O.

Most manuals contain device input speci-

fications, including whether or not there

are pads or attenuators. Consult the man-

ufacturer of your mixer or power amplifier

for further information.

Using the 882/20 I/O 5