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22
IB811F Series
User’s Manual
2.5.5
Console COM1 (RJ10) RS-232/422/485 Port (CN7)
10
1
COM1 port is jumper-less and configurable in BIOS.
Pin
Assignment
Pin
Assignment
1
DSR, Data set ready
6
DCD, Data carrier detect
2
Ground
7
DTR, Data terminal ready
3
Ground
8
CTS, Clear to send
4
TX, Transmit
9
RTS, Request to send
5
RX, Receive
10
RI, Ring Indicator
Pin
Assignment
RS-232
RS-422
RS-485
1
DSR
RX-
NC
2
Ground
Ground
Ground
3
Ground
Ground
Ground
4
TX
RX+
NC
5
RX
TX+
Data+
6
DCD
TX-
Data-
7
DTR
NC
NC
8
CTS
NC
NC
9
RTS
NC
NC
10
RI
NC
NC