ICP DAS USA GW-7228 User Manual page 39

Figure 5-5: Serial Port Wire Connection
Step5: Power wire connection
Connect the power supply to the GW-7228 module's power terminal
connecter, please see the following connection as Figure 5-6.
Figure 5-6: Power Wire Connection
GW-7228 J1939/Modbus RTU Slave Gateway User's Manual (Ver 1.3, Apr/2011) ------------- 39