JHCTech KMDA-3230, User Manual

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User’s Guide
18
2.3.8 COM4/5 Connector
Figure 2. 13
COM3/4 are only for RS485. The Pin assignments are as follows:
Table 2.9: COM3/4 Serial Port Pin Assignments
Pin Signal Pin Signal
1 COM4_A1 2 COM5_A1
3 COM4_B1 4 COM5_B1
5 GND 6 GND
7 NC 8 NC
9 NC 10 NC
2.3.9 Remote Switch signal Connector
For the remote switch signal interface of the switch machine, the terminal of the motherboard coastline is
a 2-pin terminal. Table 2.10 for pin assignments.
Figure 2. 14
Table 2.10: Remote Switch Pin Assignments
Pin Signal
1 PWR_BTN
2 GND