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Multiple Amplifi er (Continued)

In large installations where multiple M-401e

amplifi ers are required, Ethernet conveys

amplifi er control, and link to other Media

sources if connected to the Home network

Router or Switch. Ensure all amplifi ers

using same the amp ID in the stack.

Controller Wiring

The M-401e is packed with control options:

• USB:

Used for firmware update.

• ETHERNET:

Two 100BaseT connections to a home network or to daisy chain other amplifiers.

• CONTROLLERS:

Conveys +12VDC, IR and data between the M-401e and KP-6 keypad controllers,

connected using CAT5 cables.

• BUS RUN:

For future use.

• TRIGGERS:

+12VDC 100mA trigger output when a zone is on.

Ethernet Protocol

The Ethernet port provides data acquisition and control of the Mirage amplifi ers by a home

automation system, or PC Via TCP port 17037.

Command Structure: <command> <zone> <data> <line feed>

Please see online support documents under the amplifi ers section.

Command

The source equipment audio inputs must

be plugged into the fi rst amplifi er where

they are buffered and sent to the next

amplifi er in the stack. The maximum

recommended expansion is 24 units.

Description

Standby

Mute

Source Selection

Volume

Bass

Treble

Balance

Send All parameters

Cause key press on Keypad

Amplifi er features

Maximum Volume Limit

Volume Up

Volume Down

Request Device information

Zone Name

Preamplifi er Volume Mode

Volume BCD format

* Fig 2 shows a stack of M-401e with Source

connections to fi rst amplifi er where they are

converted to Digital audio, buffered and sent

to the next amplifi er in the stack. Use good

quality Coax Digital Shielded RCA cables for

the interconnection, cables should be no

more than 3 meters or 10 feet. The maximum

recommended expansion is twelve units. This

chaining of Ethernet is an option but a direct

connection to the router is the best option.

Zone

Amplifi ers are encoded with up to 96 zones.

The zone byte is used for checking if the

command is applicable to the device receiving

the command and if so, for optionally selecting

a sub-device, e.g. a bank or part of a device.

All Zones are addressed using FF. The lower 5

bits of the zone byte represent the zone 0 – 31.

Selection:

• 00000 bin = 00 (hex) = zone 0

• 00001 bin = 01 (hex) = zone 1

• 01010 bin = 0A (hex) = zone 10

• 11111 bin = 1F (hex) = zone 31

Examples:

Addressing a zone 10 amplifi er:

Binary 000-01010 or 0A hex

Send ASCII "0A"

Addressing all Zone amp & preamplifi ers:

FF hex Send ASCII "FF"

FIGURE 3