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9
2.3.9 DIO
SIGM-2650 provides 8-bit isolation DIO, 2.5KV photoelectric isolation input (H: 5-24V, L: 0-1.5V) and
photoelectric isolation output (200Ma) through 1* d-sub 9-pin connector.
Table 2.11: DIO Connector Pin Assignments
Pin
1
2
3
4
5
2.3.10 Remote Switch
The remote switch signal interface for switching machine is a 2-pin terminal at the end of the sub-card
coastline, pin definition is shown in table 2.12.
2.3.11 Mini PCIe1/3
The SIGM-2650 mainboard (STX-I720) provides 2*Mini PCIe pin spacing 9.9mm interface (Mini
PCIe1/3), with PCIe X1+USB signal, with dual SIM card slot, support for dual 4G LTE/Wifi/BT/GPS. The
Mini PCIe 1/3 interface definition is shown in table 2.11.
CAN2H
Picture 2.16: DIO
Signal
DI0
DI1
DI2
DI3
GND
Picture 2.17: Remote Switch
Table 2.12: Remote Switch Connector Pin Assignments
Pin
Signal
1
PWR_BTN
2
GND
Pin
Signal
6
DO0
7
DO1
8
DO2
9
DO3
22
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