User manual

CHAPTER 15
Serial Control
130 Catalyst® V3 Media Server User Manual
panels in the Catalyst Control window. Trigger 1 uses the top Custom Serial panel.
Trigger 2 uses the bottom Custom Serial panel.
3. Click the field showing the DMX start channel number. Type the value of the channel
to assign to the serial device. Each serial device uses one DMX channel.
Assigning the Interface and Data Format
The RS-232 standard specifies several different data drivers for the PowerMac computer.
The Media Server can send commands using any of these drivers. Check the USB to
Serial device’s documentation to determine the driver used by your serial device, then set
the interface using this procedure:
1. In the Catalyst Control window’s Custom Serial panel, click the field labeled No
Output to bring up a pop-up menu.
2. When an RS-232 device is attached to one of the PowerMac USB ports, its driver
appears in this pop-up menu. By default the menu also includes several PowerMac
system options:
OSX Midi. This choice is unavailable. You cannot send RS-232 serial control
commands over MIDI.
Apple IAC Device IAC Driver IAC Bus 1. The Inter-Application Communications
driver lets multiple software applications communicate with one another.