2-9
Hardware Setup
MS-98G6
Serial Port Connector: COM1 ~ COM6
This connector is a 16550A high speed communications port that sends/receives
16 bytes FIFOs. You can attach a serial device to it. COM1 supports RS-232/
422/ 485.
8.NC
TS
3.NS
OUT
1.ND
CD
6.ND
SR
5.GN
D
4.ND
TR
7.NR
TS
2.NS
IN
9.VC
C
PIN SIGNAL
DESCRIPTION
1
2
3
4
5
6
7
8
9
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
VCC_COM1
Data Carrier Detect
Receive Data
Transmit Data
Data Terminal Ready
Signal Ground
Data Set Ready
Request To Send
Clear To Send
Voltage select setting by JCOMP1
RS-232
PIN SIGNAL
DESCRIPTION
1
2
3
4
5
6
7
8
9
422 TXD-
422 RXD+
422 TXD+
422 RXD-
GND
NC
NC
NC
NC
Transmit Data, Negative
Receive Data, Positive
Transmit Data, Positive
Receive Data, Negative
Signal Ground
No Connection
No Connection
No Connection
No Connection
RS-422
PIN SIGNAL
DESCRIPTION
1
2
3
4
5
6
7
8
9
485 TXD-
NC
485 TXD+
NC
GND
NC
NC
NC
NC
Transmit Data, Negative
No Connection
Transmit Data, Positive
No Connection
Signal Ground
No Connection
No Connection
No Connection
No Connection
RS-485
