MITX-6987-COM
来自ARM Wiki
文件:MATX-6987 COM1，COM2
COM1：
| Pin |
COM1 |
COM2
|
| 1 |
DCD# |
HDCD#2TX-DATA-
|
| 2 |
SIN |
HSIN2TX+DATA+
|
| 3 |
SOUT |
HSOUT2RX+
|
| 4 |
DTR# |
HDTR#2RX
|
| 5 |
GND |
GND
|
| 6 |
DSR# |
DSR#
|
| 7 |
RTS# |
RTS#
|
| 8 |
CTS# |
CTS#
|
| 9 |
RI |
RI
|
COM2 跳线功能设置（J1，J2，J3）：
| COM2 RS232 PORT |
COM2 RS422 PORT |
COM2 RS485 PORT
|
| J1 |
1-3 2-4 |
J1 |
3-5 4-6 |
J1 |
3-5 4-6
|
| J2 |
1-3 2-4 |
J2 |
3-5 4-6 |
J2 |
3-5 4-6
|
| J3 |
1-2 |
J3 |
3-4 |
J3 |
5-6 7-8
|
COM3-COM6：
| 信号名称 |
管脚 |
Pin |
信号名称
|
| DCD#3 |
1 |
2 |
DSR#3
|
| SIN3 |
3 |
4 |
RTS#3
|
| SOUT3 |
5 |
6 |
CTS#3
|
| DTR#3 |
7 |
8 |
RI#3
|
| GND |
9 |
10 |
COM_PIN10
|
| DCD#4 |
11 |
12 |
DSR#4
|
| SIN4 |
13 |
14 |
RTS#4
|
| SOUT4 |
15 |
16 |
CTS#4
|
| DTR#4 |
17 |
18 |
RI#4
|
| GND |
19 |
20 |
COM_PIN10
|
| DCD#5 |
21 |
22 |
DSR#5
|
| SIN5 |
23 |
24 |
RTS#5
|
| SOUT5 |
25 |
26 |
CTS#5
|
| DTR#5 |
27 |
28 |
RI#5
|
| GND |
29 |
30 |
COM_PIN10
|
| DCD#6 |
31 |
32 |
DSR#6
|
| SIN6 |
33 |
34 |
RTS#6
|
| SOUT6 |
35 |
36 |
CTS#6
|
| DTR#6 |
37 |
38 |
RI#6
|
| GND |
39 |
40 |
COM_PIN10
|
J4：
| Pin |
信号名称
|
| 2-4 |
+5V
|
| 4-6 |
+12V
|