Digigram IQOYA CALL Series User Manual page 70

APPENDIX B: GPIO connectors
(NOT AVAILABLE IN CURRENT FIRMWARE VERSION)
IQOYA platform provides four GPIs and four GPOs on one female Sub­D 25 connectors.
GPIO pinout
Upper Sub­D 25 (Lower Sub­D 25 unused)
Pin 13 12
GPI
­ ­
O
Lab unu GND
el sed
Pin 25 24
GPI ­ ­
O
Lab
unu GND
el
sed
GND: connected to ground
N.C.: contact normally closed
N.O.: contact normally open
COM: common contact
unused: not used, DO NOT CONNECT!
K: Optocoupler cathode
General Purpose Inputs (GPIs)
11 10 9
­ GPO GPI3
3
GND N.C. K
23 22 21
GPO3 GPO3 ­
N.O. COM unuse
d
The IQOYA GPIs are compatible TTL 5 V.
The GPIs do not require any external power.
GPI status is "open" (1) when pin K is not connected to the ground for at
least 20ms.
GPI status is "closed" (0) when pin K is connected to the ground for at
least 20ms. (ground is on pins 11­12­24 on the upper Sub­D connector).
I QOYA *CALL - IQOYA *CALL/LE
​
8 7 6
GPO GPO ­
2 2
N.O. COM unus
ed
20 19 18
GPO2 GPI2 GPO1 GPO1
N.C. K N.O.
User Manual v0.99
5 4 3
GPO GPO GPO
1 1 0
N.C. K N.O.
17 16
­ GPO0
COM unuse N.C.
d
2 1
GPO ­
0
COM unus
ed
15 14
GPI0
K
70 / 77