Junger Audio b40 - Digital Audio Toolbox User Manual
Page 13
3. INSTALLATION
Operation manual b40, chapter 3 -installation- page 3-3
The digital audio toolbox b40 can be remote-controlled by
means of parallel GPI contacts.
use :
remote-controlled changeover of presets
connector:
D-SUB 15pin, female
Pin assignments
Pin
Signal name
Logic
I/O
Functions
1
PRESET1
L
I
recall preset1
2
PRESET2
L
I
recall preset2
3
PRESET3
L
I
recall preset3
4
PRESET4
L
I
recall preset4
5
PRESET5
L
I
recall preset5
6
PRESET6
L
I
recall preset6
7
PRESET7
L
I
recall preset7
8
PRESET8
L
I
recall preset8
9
MUTE
L
I
Muting outputs
10 BYPASS
L
I bypass
on
11 not
used
12
Phase rev ch1/2
L
I
13
Phase rev ch3/4
L
I
14
Common pin
External voltage feed
15
+5V
O
Test power source
Ground on shield of the connector only!
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.
3.7
REMOTE
CONTROL
3.7.1
GPI REMOTE
CONTROL
(PARALLEL
REMOTE)
Pin1...13
Contact to
ext. Ground
Pin14
Ext. voltage
feed+3,5...30V
min. 50 ms
+1,5V
+3,5...30V