Acrosser AR-B104B User Manual
Page 14
AR-B104B User Manual
14
2.16 COM 1~4
COM1~ COM4 output port
2.17 CN1
PCI 104 slot signal from M/B
Pin
RS-232
RS-422
RS-485
1
DCD_4
N/C
N/C
2
DSR_4
Rx-_4
N/C
3
RXD_4
Rx+_4
N/C
4
RTS_4
N/C
N/C
5
TXD_4
N/C
N/C
6
CTS_4
Tx-_4
Data-_4
7
DTR_4
N/C
N/C
8
RI_4
Tx+_4
Data+_4
9
GND
GND
GND
10
+5V
+5V
+5V
11
DCD_3
N/C
N/C
12
DSR_3
Rx-_3
N/C
13
RXD_3
Rx+_3
N/C
14
RTS_3
N/C
N/C
15
TXD_3
N/C
N/C
16
CTS_3
Tx-_3
Data-_3
17
DTR_3
N/C
N/C
18
RI_3
Tx+_3
Data+_3
19
GND
GND
GND
20
+5V
+5V
+5V
21
DCD_2
N/C
N/C
22
DSR_2
Rx-_2
N/C
23
RXD_2
Rx+_2
N/C
24
RTS_2
N/C
N/C
25
TXD_2
N/C
N/C
26
CTS_2
Tx-_2
Data-_2
27
DTR_2
N/C
N/C
28
RI_2
Tx+_2
Data+_2
29
GND
GND
GND
30
+5V
+5V
+5V
31
N/C
N/C
N/C
32
N/C
N/C
N/C
33
DCD_1
N/C
N/C
34
DSR_1
Rx-_1
N/C
35
RXD_1
Rx+_1
N/C
36
RTS_1
N/C
N/C
37
TXD_1
N/C
N/C
38
CTS_1
Tx-_1
Data-_1
39
DTR_1
N/C
N/C
40
RI_1
Tx+_1
Data+_1
41
GND
GND
GND
42
+5V
+5V
+5V
43
N/C
N/C
N/C
44
N/C
N/C
N/C