Rs232/422/485 Serial Port Connector: Jcom1&Jcom2 - MSI MS-98H6 Manual

RS232/422/485 Serial Port Connector: JCOM1&JCOM2
This connector is a 16550A high speed communications port that sends/receives
16 bytes FIFOs. You can attach serial devices to it through the optional serial
port bracket.
RS232
PIN
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
RS422
PIN
1
3
5
7
9
11
13
15
17
RS485
PIN
1
3
5
7
9
11
13
15
17
SIGNAL DESCRIPTION
DCD Data Carrier Detect
SIN Signal In
SOUT Signal Out
DTR Data Terminal Ready
GND Signal Ground
DSR Data Set Ready
RTS Request To Send
CTS Clear To Send
VCC_COM1 Voltage select setting by jumper
SIGNAL DESCRIPTION
422 TXD- Transmit Data, Negative
2
4 422 TXD+ Transmit Data, Positive
6 422 RXD+ Receive Data, Positive
8 422 RXD- Receive Data, Negative
10 GND Signal Ground
12 NC No Connection
14 NC No Connection
16 NC No Connection
NC No Connection
18
SIGNAL DESCRIPTION
2 485 TXD- Transmit Data, Negative
4 485 TXD+ Transmit Data, Positive
6 NC No Connection
8 NC No Connection
GND Signal Ground
10
12 NC No Connection
14 NC No Connection
16 NC No Connection
18 NC No Connection
MS-98H6
2-7