Com Ports - Lex Computech 2I268C Manual

3-4 COM Ports

CC1 : COM1 DB9 connector
CC2 : COM2 2x5 pin (2.0mm) Wafer
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CC1 :RS232 Mode COM1 conector (D-SUB 9pin)
PIN NO. Description
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
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CC1 :RS485/422 Mode COM1 conector (D-SUB 9pin)
PIN NO. Description
1 TXD-
2 TXD+
3 RXD+
4 RXD-
5 GND
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CC2: COM2 for RS232 ports (2x5pin 2.0mm Wafer)
PIN NO. Description
1 DCD
3 TXD
5 GND
7 RTS
9 RI
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CC2: COM2 for RS485/422 ports (2x5pin 2.0mm Wafer)
PIN NO. Description
1 TX-
3 RX+
5 GND
7 NC
9 NC
Note: 1. CC2 (COM2) for RS422/485 Option function
2. BIOS need setting to RS485 mode
3. ALL COM port wafer 2.0mm connector pin 10 provide +5V
PIN NO. Description
6 DSR
7 RTS
8 CTS
9 RI
PIN NO. Description
6 NC
7 NC
8 NC
9 NC
PIN NO. Description
2 RXD
DTR
4
DSR
6
CTS
8
10 +5V
PIN NO. Description
TX+
2
RX-
4
6 NC
NC
8
+5V
10
pin1
CC2
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