Serial Port Connectors: Com A & Com B; Lan Jack (Optional) - Premio Computer Athena System User Manual

MS-6592 ATX Mainboard
KT3 Ultra2-C 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
6 7 8
9-Pin Male DIN Connector
RJ-45 LAN Jack (Optional)
The mainboard provides one standard RJ-45 jack for connection to Lo-
cal Area Network (LAN). You can connect a network cable to the LAN jack.
RJ-45 LAN Jack
2-12
4 5
PIN
1
2
3
4
9
5
6
7
8
9
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
PIN SIGNAL DESCRIPTION
1 TDP Transmit Differential Pair
2 TDN Transmit Differential Pair
3 RDP Receive Differential Pair
4 NC Not Used
5 NC Not Used
6 RDN Receive Differential Pair
7 NC Not Used
8 NC Not Used