Com1: internal com1 ( d-sub9) connector, Sc2t1 : select com1 type, Sata 1 / 2 : sata connector – Lanner LEC-7900 User Manual
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COM1: Internal COM1 ( D-SUB9) Connector
PIN NO.
DESCRIPTION
1
Data Carrier Detect ( DCDA # )
2
Receive Data ( RXDA )
3
Transmit Data ( TXDA )
4
Data Terminal Ready ( DTRA # )
5
Ground ( GND )
6
Data Set Ready ( DSRA # )
7
Request To Send ( RTSA # )
8
Clear To Send ( CTSA # )
9
Ring Indicator ( RIA # )
SC2T1 : Select COM1 Type
COM2 TYPE
SC1T2
SC1T1
SC1T3
RS-232 (Default)
1-2
1-5,2-6,3-7,4-8
5-6
RS-422
3-4
5-9,6-10,7-11,8-12
RS-485
5-6
5-9,6-10,7-11,8-12
J3: RS-232 Serial Port #2 Connector ( 2X5 Pin 2.54mm Header )
DESCRIPTION
PIN NO.
RS-232
1
Data Carrier Detect (DCDB #)
2
Data Set Ready (DSRB #)
3
Receive Data (RXDB)
4
Request To Send (RTSB #)
5
Transmit Data (TXDB)
6
Clear To Send (CTSB #)
7
Data Terminal Ready (DTRB #)
8
Ring Indicator (RIB #)
9
Ground
10
KEY
SATA 1 / 2 : SATA CONNECTOR
PIN NO.
DESCRIPTION
1
GND
2
TX+
3
TX-
4
GND
5
RX-
6
RX+
7
GND
COM1
1
5
9
6
1
2
9
10
COM3