Junger Audio b42 - Dynamics Processor - Manual (Page 17)

3. INSTALLATION
Operation manual b42, chapter 3 -installation- page 3-3
Electrical specification:
GPI input potential free by opto-coupler, low active
OFF: +3.5…+30V between GPI input
and pin14
ON: less then 1.5V
Min 50ms
Note: If using an external voltage feed it has to be connected to pin 14!
External Ground is switching the GPI on any of the inputs.
An internal voltage feed is available on pin 15. Ground is available from the
shield of the connector only! By using the internal voltage feed there is no
electrical isolation given anymore.
The digital dynamics processor b42 can transmit specific device
statuses via parallel Tally lines.
use:
Control of the remote-controlled changeover of
presets
connector: D-SUB 15pin, male
3.7.2
TALLY OUT
min. 50 ms
+1,5V
+3,5...30V
Pin1...13
Ext. voltage
feed+3,5...30V Pin14
Contact to
ext. Ground