Audio Authority 1821 Tech Manual

Tech Manual
Model 1821
Digital Audio Demonstrator

Introduction

The Audio Authority 1821 delivers digital audio to four devices such as A-V receivers or sound bars. It provides digital Toslink
®
connections for input, bus output (for expansion capabilities), and four product outputs. In distribution mode, all outputs are active.
In switching mode, outputs may be selected via push-buttons, TouchSelect panels, or compatible RS-232 control device.

Features

• Digital audio switching for four output positions
• Distribution mode: one in, four out, all positions active
• Digital audio bus output, always active
• RS-485 control (compatible touch panels sold seperately)
• RS-232 control
POWER POWER
INPUT BUS
RS-485
BUS
DIGITAL
AUDIO
INPUT
FEATURE
SWITCHES

PUSH-BUTTONS

DIGITAL AUDIO
DIGITAL
OUTPUTS
AUDIO
BUS
RS-232 A
NULL/STRAIGHT
SWITCH
RS-232
PORT A
RS-232 B
NULL/STRAIGHT
SWITCH
RS-232
PORT B
FIRMWARE
UPDATE
MICRO SD
Push-Buttons
To use push-buttons for product
selection, connect RJ9 style Easy
Plug switches to each position.
Push-buttons and cables in
several colors and lengths are
available from Audio Authority.
Easy Plug blue push-button with RJ9
connector (PN 013-100).
Example of a custom overlay for a
touch panel (sold seperately).
®