J6: Com1 Serial Port; J7: Com2 Serial Port - IBM CI5VGM Series User Manual

Chapter 2 Installations

J6: COM1 Serial Port

Pin #
1
2
3
4
5
J6
6
7
8
9
10

J7: COM2 Serial Port

J7, a 10-pin header connector , is the onboard COM2 serial port of the
CI5VGM and is configurable as RS-232, RS-422 or RS-485. The
following table shows its pin assignments.
Pin #
1
.
2
3
4
5
J7
6
7
8
9
10
30
Signal Name
DCD, Data carrier detect
RXD, Receive data
TXD, Transmit data
DTR, Data terminal ready
GND, ground
DSR, Data set ready
RTS, Request to send
CTS, Clear to send
RI, Ring indicator
NC
Signal Name
RS-232 R2-422
DCD TX-
RX TX+
TX RX+
DTR RX
GND GND
DSR RTS-
RTS RTS+
CTS CTS+
RI CTS-
NC NC
CI5VGM User's Manual
RS-485
DATA-
DATA+
NC
NC
GND
NC
NC
NC
NC
NC