reset the power of the module. In this mode, users can update the
firmware of the GW-7228 module from computer's RS-232 port via CA-
0910 cable shown as Figure 2-14.
Figure 2-12: Init Position of Dip-Switch
Figure 2-13: CA-0910 Cable
Figure 2-14: Firmware downloads connection
GW-7228 J1939/Modbus RTU Slave Gateway User's Manual (Ver 1.3, Apr/2011) ------------- 14