JHCTech SIGM-2650, User Manual, Page: 21 / 69

User’s Manual
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8 TXD3-
2.3.2 Power input (DC-IN)
SIGM-2650-S001 power input adopts DC 9~36V, ITPS, SIGM-2650-S002 power input adopts
railway standard power DC 48/72/110V. The DC 9~36V equipped 5-Pin M12 A-code power socket can
support up to 60W power. This is a low power solution that uses a 12V AC to DC adapter for input DC
power to the socket. Railway standard power DC 48/72/110V is equipped with 4-Pin M12 A-code power
socket, suitable for use in railway vehicle. If the voltage used is greater than the recommended voltage, the
system will not start and may even damage the motherboard. Table 2.2 is the detailed introduction of pin
allocation for 9-36V M12 A-code power supply interface. Table 2.3 provides detailed introduction of pin
assignment for DC 48/72/110V M12 a-code power interface.
Picture 2.7: DC 9~36V M12 A-Code
Table 2.1: DC 9~36V M12 A-Code Connector Pin Assignments
Pin
Signal
1 9~36V VIN
2 9~36V VIN
3
GND
4 GND
5 ITPS_ACC