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HID-2138 User Manual
HID-2138 Quick Reference Guide
46
5.3.20 Serial port 1 connector (JCOM1)
Signal
PIN PIN
Signal
COM_DCD#_1
1
2
COM_RXD_1
COM_TXD_1
3
4
COM_DTR#_1
GND
5
6
COM_DSR#_1
COM_RTS#_1
7
8
COM_CTS#_1
COM_RI#_1
9
10
NC
5.3.21 Serial port 2 connector (JCOM2)
Signal
PIN PIN
Signal
NC
10
9
COM_RI#_2
COM_CTS#_2
8
7
COM_RTS#_2
COM_DSR#_2
6
5
GND
COM_DTR#_2
4
3
COM_TXD_2
COM_RXD_2
2
1
COM_DCD#_2