Extron electronic Extron Electronics Music Mixer DMP 44 LC User Manual

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The digital input port is used to monitor TTL level digital signals. Voltages greater than 
2 V indicate a logic “high” signal while voltages less than .8 V indicate a logic “low.”
NOTE:  These ports are configured via DSP Configurator (see the “
” section for additional information).
 
Do not tin the wires!
1
2
3
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Digital I/O Wiring
 
 
Both the RS-232 and digital input connectors may be used simultaneously by using a 
6-pin captive screw connector with two wires sharing the same ground connector (see 
the diagram below). 
 
RS-232
DIGI IN
Tx   Rx          1     2     3
 
g
  Reset button — The recessed reset button is used to access various modes of resets. 
The single green power LED on both the front and rear panels indicates what mode 
of reset was accessed (see the “
” section for 
additional details).
USB Configuration port (front panel)
A front panel configuration port uses an Extron USB A Male to USB Mini B Male 
Configuration Cable, 26-654-06 for connection to a PC computer via the USB port. 
The DMP USB driver must be installed prior to using the port (see the “
” section for USB driver installation details).
 
DMP 44 LC • Installation
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