M-AUDIO MIDISPORT 2x2 User Manual
MIDISPORT
Anniversary Edition
2x2
|
4x4
User Guide
MIDISPORT Anniversary Edition 2x2 | 4x4 User Guide • 1
Introduction
1
MIDI stands for “Musical Instrument Digital Interface” and is the protocol used by MIDI keyboards and other devices (sound modules,
sequencing software, virtual instruments, etc.) to communicate with each other. MIDISPORT provides your computer with MIDI input and
MIDI output ports, each supporting 16 MIDI channels.
This interface’s Universal Serial Bus (USB) connection assures fast and reliable transfer of MIDI data to and from the computer. Furthermore,
the interface is portable, and can be conveniently attached to your computer’s USB port without requiring computer disassembly or an
external power supply.
MIDISPORT Anniversary Edition is class-compliant,* which means that Windows XP, Windows Vista, and Mac OS X can use the device
without the need to install additional drivers by simply connecting MIDISPORT to your computer. Note that using MIDISPORT as a
class-compliant device in Windows XP or Vista will only give you access to basic MIDI input and output capabilities. However, to use the
more advanced features of your MIDISPORT, you must install the M-Audio drivers for Windows. The advanced features and installation
procedure is described in Section 5 of this guide.
*Only MIDISPORT Anniversary Edition is class-compliant and will work under Windows XP, Windows Vista, or Mac OS X without
additional drivers. MIDISPORT 2x2 or 4x4 interfaces from previous production series (blue, green or silver chassis) are not
class-compliant and require the M-Audio driver to be installed in order to be recognized by the computer.
Thank you for purchasing an M-Audio MIDISPORT Anniversary Edition MIDI interface.
Features
2
Your MIDISPORT Anniversary Edition USB/MIDI interface offers the following features:
< MIDISPORT 2x2: 2-in/2-out MIDI interface (32 discrete MIDI input channels, 32 discrete MIDI output channels)
< MIDISPORT 4x4: 4-in/4-out MIDI interface (64 discrete MIDI input channels, 64 discrete MIDI output channels)
< USB 2.0 (full-speed) device, backward compatible to USB 1.1
< MIDI activity indicators for each port
< bus-powered and portable—no external power supply required
< compact and lightweight for mobile or desktop use
< standalone MIDI MERGE and Thru operation (MIDISPORT 2x2 only)
Package Contents
3
The MIDISPORT package includes:
< MIDISPORT Anniversary Edition USB MIDI Interface
< M-Audio MIDISPORT Anniversary Edition Series CD-ROM
< USB cable
< Printed Quick Start Guide
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Hardware Overview
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MIDISPORT 4x4 Rear View MIDISPORT 2x2 Rear View
MIDISPORT 4x4 Front View
MIDISPORT 2x2 Front View
1. USB port: Connect to an available USB port on your computer using the USB cable provided.
2. MIDI IN ports: These ports receive MIDI signals from your keyboard, control surface, or other MIDI device. Connect one of the MIDI
input ports on MIDISPORT to your external instrument’s MIDI output jack.
3. MIDI OUT ports: These ports transmit MIDI signals to your destination device. Connect one of the MIDI output ports on MIDISPORT to
your external instrument’s MIDI input jack.
4. MIDI In LEDs: These LEDs indicate MIDI input activity
5. MIDI Out LEDs: These LEDs indicate MIDI output activity.
6. USB LED: This LED pulses when MIDISPORT is functioning as a MIDI interface to your computer.
MIDISPORT 2x2 only: If the LED glows steadily, but half as bright, then MIDISPORT 2x2 is operating in Merge Mode.
7. MIDI Thru-USB/Merge button (MIDISPORT 2x2 only): This button selects whether MIDISPORT 2x2 is in MIDI Thru mode (button
set to the ‘out’ position), in Merge mode (standalone operation; button ‘in’) or in MIDI Interface mode (used with a computer; button ‘in’).
USB Interface Mode
MIDISPORT 2x2 is in USB Interface mode when the MIDI Thru - USB/Merge button is set to the ‘in’ position and the device is
connected to and initialized by an active host computer via USB. In this mode the input and output ports appear as discrete inputs
and outputs in your music software and are completely independent of each other.
Merge Mode
In Merge Mode, MIDISPORT functions as a standalone device (i.e. it does not operate as an interface to a computer). All MIDI data
from the In A and In B ports is combined (merged), and this merged stream is output identically on both the Out A and Out B port.
In this scenario, power must be provided by an optional USB-type external power supply, and the MIDI Thru - USB/Merge button
must be set to the ‘in’ position.
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