IBASE IB102 - Manual (Page 19)

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IBASE Technology Inc.
CN5: COM1 RJ45 Connector
Pin # Signal Name
1 COM1 DSR, Data set ready
2 GND
3 GND
4 COM1 RXD, Receive data
5 COM1 TXD, Transmit data
6 COM1 DCD, Data carrier detect
7 COM1 DTR, Data terminal ready
8 COM1 CTS, Clear to send
9 COM1 RTS, Request to send
10 Boot by SD card detection
COM1 is jumper less for RS-232, RS-422 and RS-485 and configured with SW4
(S2) and JP5 Selection.
[
Pin # Signal Name
RS-232 R2-422 RS-485
1 DSR NC NC
2 Ground Ground Ground
3 Ground Ground Ground
4 RX TX+ DATA+
5 TX RX+ NC
6 DCD TX- DATA-
7 DTR RX- NC
8 CTS NC NC
9 RTS NC NC
10 NC NC NC
10 1