MSI MS-919-98F1-103, Руководство пользователя, Страница: 24 / 58

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Hardware Setup MS-98F1
Serial Port Connector: COM5 (RS-232/-422/-485)
Serial Port Connector: COM4/6 (RS-232)
This connector is a 16550A high speed communications port that sends/receives
16 bytes FIFOs. You can attach a serial device to it through an optional serial
port bracket.
8.C
TS
3.T
XD
1.D
C
D
6.D
SR
5.G
N
D
4.D
TR
7.R
TS
2.R
XD
9.V
C
C
_C
O
M
RS-232
PIN SIGNAL DESCRIPTION
1
2
3
4
5
6
7
8
9 DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
VCC_COM Data Carrier Detect
Receive Data
Transmit Data
Data Terminal Ready
Signal Ground
Data Set Ready
Request To Send
Clear To Send
Power Source
RS-232
RS-422
8.N
C
3.T
X+
1.T
X-
6.N
C
5.G
N
D
4.R
X-
7.N
C
2.R
X+
9.N
C
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
RS-485
8.N
C
3.D
AT
A+
1.D
AT
A-
6.N
C
5.G
N
D
4.N
C
7.N
C
2.N
C
9.N
C
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