JHCTech FEBC-3158, User Manual

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User’s Manual
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Each USB Type A Receptacle (2 Ports) Current limited value is 1.5A.If the external USB device current
exceeds 1.5A, please separate connectors into different Receptacle.
2.4.4 COM1/3 Connector
The FEBC-3158 provides COM1 and COM3 are D-sub 9-pin connectors, Rear serial port, standard DB9
Male serial port is provided to make a direct connection to serial devices
1 2 3 4 5
6 7 8 9
Figure 2.19 COM1/3 Connector
Table 2.5: COM1/3 Serial Port Pin Assignments
Pin Signal Name
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 JP1/JP3 Select Setting (RI/5V/12V)
2.4.5 COM2/3/4/5 Connector
The FEBC-3158 provides COM2/3/4/5 are all D-sub 9-pin connectors, rear serial port, standard RS232 DB9
Male serial port is provided to make a direct connection to serial devices.
1 2 3 4 5
6 7 8 9
Figure 2.20 COM2/3/4/5 Connector
Table 2.6: COM2/3/4/5 Serial Port Pin Assignments
Pin Signal Name
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR