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D-Control Guide 34
Using D-Control on an Ethernet Network
You can purchase a combined 10/100-BaseT Ethernet hub that
can simultaneously support D-Control over 10-BaseT and
other network traffic over 100-BaseT. This will allow you to
use D-Control over a local area network.
Moderate network traffic (such as e-mail) should not affect
communication between D-Control and the computer. If your
network experiences heavy traffic, you may want to create a
dedicated Ethernet network for D-Control.
Controlling Pro Tools Systems Over a Network
When D-Control is connected to an Ethernet network, it will
be available to be declared by any Pro Tools system on that
network. This lets you control different Pro Tools systems on
the network with a single D-Control console. (You can only
control one Pro Tools system at a time.)
For more information on switching control between systems,
see “D-Control Multi-Mode” on page 100.
USB Connections
The computer keyboard and trackball on the D-Control Main
Unit use a USB connection to communicate with the host com-
puter. A USB cable is required (not included).
The D-Control USB connection supports the use of a USB hub,
if your system has one. A powered USB hub is not required.
To make the D-Control USB connection:

Connect one end of a USB cable to the USB port on the back
panel of the D-Control Main Unit, and the other end to the
USB port on the computer or USB hub.
Footswitch Connections
You can connect two SPST (single-pole, single-throw) foot-
switch units to the D-Control Main Unit to control any of the
following functions:
• Starting and stopping Pro Tools playback
• Starting Pro Tools recording
• Toggling Talkback on and off
The footswitch connector is a single 1/4-inch TRS jack on the
back panel of the D-Control Main Unit.
To wire a TRS connector for the D-Control footswitch jack:

Use the following wiring convention:
• Tip = Footswitch 1
• Ring = Footswitch 2
• Sleeve = Ground