Apple logic pro 8 Manual

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Chapter 1   
 Basic Control Surface Setup
17
 
Connecting Control Surfaces via Networking Ports
A handful of devices are connected via the network (LAN) ports of your Macintosh, 
using a single, standard (CAT5) networking cable. Most devices connected in this way 
also incorporate audio I/O, and digital audio converters, plus built-in MIDI ports—
making the addition of these peripherals a simple, single cable (and driver) installation.
As with FireWire and USB, it is recommended that such devices are directly connected 
to the computer, rather than through a network hub or switch.
Connecting MIDI Control Surfaces
If your control surface has MIDI input and output ports, you can connect it to a MIDI 
interface, and connect the MIDI interface to your computer. MIDI interfaces are typically 
connected to your computer via the USB or FireWire connection protocols. MIDI uses 
separate ports for input and output, and you must connect both the MIDI input and 
output to use the device with Logic Pro. The following diagram illustrates a typical 
setup using MIDI input and output:
It is recommended that you do not “daisy-chain” other MIDI devices via MIDI thru to the 
MIDI in or out ports used by control surfaces. Daisy-chaining can result in errors and 
other problems, due to the amount of data transmitted in real time.
Optional Footswitches and Pedals
Some control surfaces allow you to connect footswitches or pedals as additional 
controllers. If your control surface features suitable connectors, you may connect 
optional foot switches to remotely control playback and other functions. This frees your 
hands for other controls, and can also be helpful when using guitars or other 
instruments that require two-handed playing. 
Computer
MIDI 
interface
Out port
In port
Out port
In port
Control surface