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MS-6585 ATX Mainboard
Serial Port Connectors: COM A & COM B
The mainboard offers two 9-pin male DIN connectors as serial port COM
A & COM B. The ports are 16550A high speed communication ports that
send/receive 16 bytes FIFOs. You can attach a serial mouse or other serial
devices directly to the connectors.
1
2
3
4
6
7
8
9
9-Pin Male DIN Connector
RJ-45 LAN Jack (Optional)
The mainboard provides one standard RJ-45 jack for connection to Local
Area Network (LAN). You can connect a network cable to the LAN jack.
RJ-45 LAN Jack
2-12
5
PIN
1
2
3
4
5
6
7
8
9
PIN
1
2
3
4
5
6
7
8
Pin Definition
SIGNAL
DESCRIPTION
DCD
Data Carry Detect
SIN
Serial In or Receive Data
SOUT
Serial Out or Transmit Data
DTR
Data Terminal Ready)
GND
Ground
DSR
Data Set Ready
RTS
Request To Send
CTS
Clear To Send
RI
Ring Indicate
Pin Definition
SIGNAL
DESCRIPTION
TDP
Transmit Differential Pair
TDN
Transmit Differential Pair
RDP
Receive Differential Pair
NC
Not Used
NC
Not Used
RDN
Receive Differential Pair
NC
Not Used
NC
Not Used
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