查看“EMB-7522-COM”的源代码

[[文件:EMB-7522-COM.jpg|500px|缩略图|EMB-7522-COM]]
'''COM1-2 :'''
{| class="wikitable"
|-
! 信号名称 !! Pin# !! Pin# !! 信号名称
|-
| COM2_DATA- || 1 || 2 ||  COM1_RX
|-
| COM2_DATA+/RX || 3 || 4 ||  COM1_TX
|-
| COM2_TX || 5 || 6 || NC
|-
| NC || 7 || 8 || NC
|-
| GND || 9 || 10 || GND
|}

*COM1为DEBUG口，COM2可设置成232或者485模式，COM2串口模式由J1、J2上的跳帽控制：

'''COM2功能选择跳冒设置(J1、J2)'''
:{| class="wikitable"
|-
|colspan=2|COM2 AS RS232 PORT ||colspan=2|COM2 AS RS485 PORT
|-
| J1 || 1-2 || J1 || 3-4,5-6 
|-
| J2 || 1-3,2-4 || J2 || 3-5,4-6
|}

'''COM3-6 :'''
{| class="wikitable"
|-
! 信号名称 !! Pin# !! Pin# !! 信号名称
|-
| NC || 1 || 2 ||  NC
|-
| COM3_RX || 3 || 4 ||  COM3_RTS
|-
| COM3_TX || 5 || 6 || COM3_CTS
|-
| NC || 7 || 8 || NC
|-
| GND || 9 || 10 || GND
|-
| NC || 11 || 12 || NC
|-
| COM4_RX || 13 || 14 || COM4_RTS
|-
| COM4_TX || 15 || 16 || COM4_CTS
|-
| NC || 17 || 18 || NC
|-
| GND || 19 || 20 || GND
|-
| NC || 21 || 22 || NC
|-
| COM5_RX || 23 || 24 || COM5_RTS
|-
| COM5_TX || 25 || 26 || COM5_CTS
|-
| NC || 27 || 28 || NC
|-
| GND || 29 || 30 || GND
|-
| NC || 31 || 32 || NC
|-
| COM6_RX || 33 || 34 || COM6_RTS
|-
| COM6_TX || 35 || 36 || COM6_CTS
|-
| NC || 37 || 38 || NC
|-
| GND || 39 || 40 || GND
|}