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Using the Parallel Port 51
CDR1000—Owner’s Manual
Using the Parallel Port
The PARALLEL port is a general purpose interface that provides remote control access
to various CDR1000 functions, including Play, Pause, Stop, Record Standby, and Track
Increment. By using custom built switches and cables, it can be used for simultaneous
control of several CDR1000s in a multiple disc recording, or disc duplication system.
In addition to receiving trigger signals, the CDR1000 also outputs trigger signals when
the following functions are operated: Play, Pause, and Stop.
The following diagram shows a switching arrangement for the input triggers.
Parallel Port Pin Configuration
The following table shows how the PARALLEL port is wired.
• Input trigger pulses must be 50 ms or longer.
• Each output trigger pulse is 500 ms.
• All outputs are open collector.
Pin I/O Signal
1
Input
Play
2
Pause
3
Stop
4
Record Standby
5
Track Increment
6
Output
Play
7
Pause
8
Stop
9
GND
Play Pause Stop
Record
Standby
Track
Increment
12345
6789
GND