Gilderflukeco old MACs 8 bit Digital Audio System Manual do Utilizador descarregar pdf (Página 38)

- Card Cage and Power Supplies -

Each CC-1600 card cage holds 16 cards. The CC-400 holds up to four cards. All card cage slots on

each motherboard are identical. Most of the connections to the system are made to the motherboard

on the back of the card cage. For each Digital Audio Repeater / Mixer card there are the following

connections (each AB-100 AudioBrick has all these connections except the VCA and MIX INPUTs on the

screw terminals on the outside of itÕs case):

CC-1600 or CC-400:

FOR

INTERNAL

POWER

OUTPUT

MIX

INPUTS

AUX.

VCA INPUT

START

STATUS

CHAIN

STARTS

CHAIN

STARTS

0 to 10 VOLTS DC

FOR

EXTERNAL

POWER

COMMON

A INPUT

B INPUT

STATUS OUTPUT

¥ Output: Line level low impedance output. An optional transformer with an impedance of 150

or 600 ohms can be mounted to these screw terminals if needed.

¥ Mix 'A' Input: Balanced 10K input impedance.

¥ Mix 'B' Input: Balanced 10K input impedance.

¥ Aux. Input: For access to each cards' summing point (see block diagrams).

¥ Repeater Start Input: Optically isolated from all other parts of the system.

¥ Repeater Status Output: Optically isolated from all other parts of the system.

¥ Voltage Controlled Amplifier (VCA) Input: 0-10 VDC input signal.

With the one exception of the 'Aux Input' all connections are by screw terminals on CC-1600 and

CC-400 card cages. The 'AUX' input is terminated by a two pin MOLEX connector. As the 'AUX' input is

but rarely used, it is shipped unstuffed on the motherboards.

If the start and status inputs are running from the internal power supply, adjacent cards can have

GILDERFLUKE & C

. ¥ 205 SOUTH FLOWER ST. ¥ BURBANK, CALIF. 91502-2102 ¥ 818/840-9484 ¥ FAX 818/840-9485

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Gilderflukeco old MACs 8 bit Digital Audio System Manual do Utilizador Página 38