Com; Mini Pcie - JHCTech KGEC-6300 User Manual

2.3.6 COM

The KGEC-6300 provides 2*COM1/2 with TVS isolated serial ports through the 2* d-sub 9-pin connector.
COM1/2 can be configured as RS232/422/485, Table 2.1 for COM pin assignments.
Table 2.7: COM1/COM2 Pin Assignments
Pin
1
2
3
4
5
6
7
8
9

2.3.7 Mini PCIe

The KGEC-6300 mainboard (STX-I952) provides 1*Mini PCIe pin spacing 9.9mm interface, with PCIe
X1+USB signal, with dual SIM card slot, support for dual 4G LTE/Wifi/BT/GPS. The Mini PCIe interface
definition is shown in table 2.8.
Picture 2.11: COM
RS-232 signal RS-422 signal
DCD TX-
RxD TX+
TxD RX+
DTR RX-
GND GND
DSR NC
RTS NC
CTS NC
RI NC
19
User's Manual
RS-485 signal
DATA-
DATA+
NC
NC
GND
NC
NC
NC
NC