Rs232 Com Port Header: Jcom3 (Com3~Com6 ); Rs232 Com Port Header: Jcom4 (Com7~Com10 For Sku1, Sku2) - MSI MS-98K9 User Manual

RS232 COM Port Header: JCOM3 (COM3~COM6 )

RS232 COM Port Header: JCOM4 (COM7~COM10 for SKU1,
SKU2)
This connector is a 16550A high speed communications port that sends/receives
16 bytes FIFOs. You can attach a serial device to it.
h JCOM3 & JCOM4
PIN
1 11 21 31
2 12 22 32
3 13 23 33
4 14 24 34
5 15 25 35
6 16 26 36
7 17 27 37
8 18 28 38
9 19 29 39
10 20 30 40
SIGNAL DESCRIPTION
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
POWER 5V or 12V selected by Jumper
NC No Connection
MS-98K9
2-17