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8 Audio Authority CMX-144 User Manual

Advanced Setup and Remote Control Options

Three different methods may be used for setup and matrix switching: infrared, serial (RS-232), or Ethernet. All switching

commands are available using any of these methods, but advanced configuration such as IP address settings, status

queries etc. must be performed via the serial port, or using serial commands via the Ethernet port.

1. Using a Comprehensive IR Control System.

The CMX-144

can be used right out of the box; no setup is necessary. The

1106 IR remote control included with the CMX-144 is only

capable of basic functions. Comprehensive IR controllers can

use the complete CMX-144 IR code set along with the codes

of the sources and can output a macro containing source

controls and CMX-144 selection controls.

a. Patch the IR signal directly to the IR input port on the

rear panel using a standard 3.5mm cable or connecting

block. Alternatively, place a stick-on emitter or blaster

from the infrared system on the CMX-144 front panel

optical IR receiver. Do not attempt to use both methods.

b. If the CMX-144 IR codes are available from your remote

control company, download and/or activate those files.

c. A CCF file containing CMX-144 codes can be down-

loaded from the Audio Authority website:

www.audioauthority.com/page/software. Logitech

Harmony remote controls can access the CMX-144 IR

codes in the Harmony database here: Amplifier>Audio/

Video Switch>Audio Authority>CMX-144.

d. As an alternative, follow the remote manufacturer’s

instructions to teach a learning remote control the

switching commands from the 1106 remote. Only basic

functions are available using this method.

2. Using the RS-232 Port.

System controllers and PCs can send all setup and control commands via the RS-232 serial

port and receive feedback.

a.  Important: if a PC is connected directly to the CMX-144 RS-232 port use standard serial cable.
b.  This control method is capable of performing all commands including firmware upgrade (See Appendix B).
c.  See Appendix A for details on using serial commands.

3. Using the Ethernet Port.

Use a telnet client or terminal program on a Mac or PC to send most setup and control

commands through the Ethernet port on the CMX-144.

• Connect a PC directly to the Ethernet port using a standard Ethernet patch cable. If the PC does not have

automatic MDI-X capability, use a crossover cable.

•  Connect a PC or other IP control device through an Ethernet hub or switch using a standard patch cable.
•  Follow instructions in Appendix A “Setup Using Ethernet”
•  Ethernet cannot be used to upgrade firmware; use RS-232. All other commands are available using Ethernet.

4. Using the Web Interface.

Basic CMX-144 switching functions are available when using a web browser on a PC

connected directly to the CMX-144 Ethernet port, or through a hub, local area network or even through the Internet.

•  To access the unit’s Web-based Interface, launch IE 8.0 or Firefox 3.5, and enter the CMX-144 IP address.
•  The web interface is loaded. Click POWER, SOURCE, and DIM similar to the front panel.
•  Enable web refresh to monitor the CMX-144 (see Appendix A). When the CMX-144 receives a command from

any other source (e.g. IR, or RS-232), the changes are automatically reflected on the front panel and in the

graphical web interface. (One exception is the DIM key, which does not produce a change in the brightness of

the source indicators on the graphical web interface.)

Reset to Factory Defaults

Some circumstances require a reset to factory

default settings.

• To perform a reset, touch the SOURCE keys

for zones 1, 2, and 4 simultaneously.

• The indicators for zone 3 begin to blink.

• To cancel, touch POWER or DIM.

• To proceed with reset, touch the SOURCE

key for zone 3.