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13. ANNEXE F: GPIO CONNECTORS
PYKO-out features four TTL 5 V compatible GPIs and four relay GPOs. The counterparts are provided.
General Purpose Inputs (GPIs)
The state of a GPI can be either "1" or "0". It is read at "0" as soon as it is connected to the ground
(GND). Otherwise it is read "1".
Note: Each GPI can receive an external command contact.
General Purpose Outputs (GPOs)
The PYKO-out GPOs are relay outputs. They feature two pins each and are all configured the same
way. Pins 9 & 10 belong to GPO # 1, 11 & 12 to GPO # 2, 13 & 14 to GPO # 3, and 15 & 16 to GPO
#°4.
If written at "1", the GPO closes the linked relay. If written at "0", the GPO opens the linked relay.
GPIOs can be used for tunneling from one PYKO towards another (GPIn-> GPOn).
GPO relay specifications
Maximum power switching capability
Maximum switching current
Maximum carrying current
Maximum switching voltage
Typical life expectancy (switching max
power)
PYKO-out: Professional IP audio endpoint
GPI pinout
Pin
8
GN
Signal
IN4
GPO pinout
Pin
16, 15
Signal
OUT4
10 W
1 A
DC
1 A
DC
125 V
/60 V
AC
DC
6
10
operations
7
6
5
4
GN
IN3
IN2
D
D
14, 13
12, 11
OUT3
OUT2
3
2
1
GN
GN
IN1
D
D
10, 9
OUT1
34
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