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Soundcraft Compact Stagebox User/Installation Guide Page 11
GPIO
Two D-type connectors are provided handling 8 GP (general purpose) input and output channels, con-
trolled remotely from the control surface. GP inputs are on opto-isolators, GP outputs are on relay con-
tacts.
Connector Pin Assignments:
GPI 1-8 (25-pin D-type, female, UNC 4-40 thread)
Pin Signal ‘GPI 1-8’ Pin Signal ‘GPI 1-8’
1 GPI 1a 14 GPI 1b
2 GPI 2a 15 GPI 2b
3 GPI 3a 16 GPI 3b
4 GPI 4a 17 GPI 4b
5 GPI 5a 18 GPI 5b
6 GPI 6a 19 GPI 6b
7 GPI 7a 20 GPI 7b
8 GPI 8a 21 GPI 8b
9-13 GND (0 V) 22-25 VCC (+5 V/600 mA max.)
GPO 1-8 (25-pin D-type, female, UNC 4-40 thread)
Pin Signal ‘GPO 1-8’ POn Signal ‘GPO 1-8’
1 GPO 1a 14 GPO 1b
2 GPO 2a 15 GPO 2b
3 GPO 3a 16 GPO 3b
4 GPO 4a 17 GPO 4b
5 GPO 5a 18 GPO 5b
6 GPO 6a 19 GPO 6b
7 GPO 7a 20 GPO 7b
8 GPO 8a 21 GPO 8b
9-13 GND (0 V) 22-25 VCC (+5 V/600 mA max.)
Inputs:
Control inputs (GPI Xa/b) are completely independent and electrically isolated. They may be used either
with the internal +5 V DC supply voltage, or with external voltages of 5...24 V DC, regardless of the polarity.
Outputs:
Control outputs (GPO Xa/b) are completely independent, electrically isolated relay contacts, closed if
active. Maximum switching power 62.5 VA / 30 W; max. switching voltage 50 V AC or DC; max. switching
current 1 A. Contact resistance (initial value) is max. 100 mΩ at 6 V DC/1 A.
The +5 V DC supply voltage and/or the ground (GND) terminals, together with the relay contacts, may be
used to generate an output signal.
The total current supplied by all VCC (+5 V DC) pins of the GPI/GPO 1-8 connectors must not
exceed 600 mA.
Solder/Crimp View
(or Socket View)
1
1425
13
Solder/Crimp View
(or Socket View)
1
1425
13
11


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