ATI Technologies DA103 Operating And Maintenance Manual - Page 3

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DA 103 and DMA103 require 22 to 30VDC and are designed to share a common

external 24VDC "Wall Wart" type power supply. A pair of loop-thru DC

connectors on the rear of each module permits several units to be daisy-chained

with P/N20602-1 DC power cables to a single power supply. The WA100-1 and

WA100-2 (230VAC) are 400mA supplies. The DA103 and DMA103 both draw

about 100mA at full output. Any combination, which adds up to less than the

supply rating, can be powered by a single supply.

INSTALLATION

UNPACKING

Inspect the equipment. Shake it to see if anything is rattling around inside. If

there is any visible damage to the unit or to the box it came in, contact the factory

but do not return anything to ATI without prior authorization and shipping

instructions. It may be necessary to have the shipping company inspect the unit

and the box at your location. Count the pieces! Don't throw out the boxes and

packing material until you are sure you have everything that is coming to you.

NANOAMPS need either their own separately ordered WA100 power supply or a

DC cable, P/N20602-1 to share the supply of another NANOAMP.

Rack and desk mounting hardware may be packed in with the unit even though

ordered separately. Wall mount power supplies must be ordered separately but

may either be included with the unit or shipped in their own box.

WIRING

AUDIO CONNECTIONS

DMA103 - balanced XLR type inputs and outputs are wired with pin 2 as HI and

pin 3 as LOW. Pin 1 is the cable shield and ground connection.

DA103 - line level audio connections are made to the Phoenix type two-piece

connectors (Hi - Lo - Shld) using the rear label as a guide. Connectors separate

with a straight pull toward the rear. Strip the wires cleanly without nicking, clamp

them in the plug by tightening the screws and reinsert the plug into the

receptacle.

Active balanced outputs and inputs require a reference ground connection to the

source or receiving device for proper operation. This ground can be provided by

the rack frame or a studio ground bus connection if the cable shield does not

carry it through.

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