Cn5: com1 rj45 connector – IBASE IB102 User Manual
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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