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Page: 10 Model MRC88
© 2003 Xantech Corporation
SYSTEM OVERVIEW
The MRC88 is a Eight-source Eight-zone audio/video distribution and control system. The System is comprised
of a Control Amp, Eight optional LCD Keypads, and Eight 283M IR Emitters. Together the Control Amp and the
Keypads make up a Whole-house Audio/Video Entertainment system. The Control Amp acts as the Server and
the Keypads act as the Clients. The end users interact with the Keypads in order to control all aspects of
Audio/Video Distribution and Control. This System allows the end user to accomplish the following: 1) Distribute
amplified Stereo Audio and Composite Video from Eight independent Sources to Eight separate Zones. 2)
Control the Volume, Mute, Bass, Treble, and Balance for each of the eight Zones. 3) Control most standard
source components via IR and/or RS232 commands. Two Control Amps can be linked to create systems with
up to Sixteen zones.
POWER
CH
CH
STATUS
SELECT
PLAY
STOP
PAUSE
FF
REW
VOL
VOL
MUTE
POWER
CH
CH
STATUS
SELECT
PLAY
STOP
PAUSE
FF
REW
VOL
VOL
MUTE
Optional
External IR
Receiver
Zone
Status
Audio
&
Video
Serial
RJ45-
RS422
& IR
Primary
Keypad
Zone 1
Video
Monitor
&
Speakers
To Built-In
Keypad
IR Receiver
Optional
Secondary
Keypad
POWER
CH
CH
STATUS
SELECT
PLAY
STOP
PAUSE
FF
REW
VOL
VOL
MUTE
POWER
CH
CH
STATUS
SELECT
PLAY
STOP
PAUSE
FF
REW
VOL
VOL
MUTE
Zone
Status
Audio
&
Video
Serial
RJ45-
RS422
& IR
Zone 4
Video
Monitor
&
Speakers
To Built-In
Keypad
IR Receiver
Primary
Keypad
Optional
Secondary
Keypad
Input 1
Input 2
Input 3
Input 4
Input 5
Input 6
Input 7
Input 8
Music
Server
Zone
Inputs
Zone 1 Zone 8
Audio/Video
Source 8
IR
Power
Sense
Audio
&
Video
Audio/Video
Source 1
IR
Power
Sense
Audio
&
Video
Common IR
Common Status
IR Learning Eye
DB9 / RS232
Figure 1 - System Block Diagram