查看“EMB-7536-COM”的源代码

====COM_DB 引脚定义:====
[[文件:EMB-7536-COM.jpg|500px|缩略图|EMB-7536-COM]]
:{| class="wikitable"
|-
!  PIN#||信号名称
|-
| 1  || COM_DB_RX
|-
| 2  || COM_DB_TX
|-
| 3  || GND
|}

====COM1_2  引脚定义:====
:{| class="wikitable"
|-
!  信号名称 || PIN#|| PIN#||信号名称
|-
| COM1_RXD/DATA+ || A1  || B1 || COM2_RXD/DATA+
|-
| COM1_TXD/DATA- || A2  || B2 || COM2_TXD/DATA-
|-
|     GND        || A3  || B3 || GND
|}

====COM1、COM2跳线功能设置:====

:{| class="wikitable"
!colspan="2"| !!  COM RS232 PORT  !! COM RS485 PORT
|-
|rowspan="2"| COM1 || J1 ||  1-2 ||3-4,5-6 
|-
|J2 || 1-3,2-4 ||  3-5,4-6
|-
|rowspan="2"| COM2 || J3 ||  1-2 ||3-4,5-6
|-
|J4 || 1-3,2-4 ||  3-5,4-6
|}

====JCOM3_4  引脚定义:====
:{| class="wikitable"
|-
!  信号名称 || PIN#|| PIN#||信号名称
|-
| NC       || 1  || 2 || COM4_RX
|-
| COM3_RX  || 3  || 4 || COM4_TX
|-
| COM3_TX  || 5  || 6 || NC
|-
|  NC      || 7  || 8 || NC
|-
|  GND     || 9  || 10|| GND
|}

====JCOM5_6  引脚定义:====
:{| class="wikitable"
|-
!  信号名称 || PIN#|| PIN#||信号名称
|-
| NC       || 1  || 2 || COM6_RX
|-
| COM5_RX  || 3  || 4 || COM6_TX
|-
| COM5_TX  || 5  || 6 || NC
|-
|  NC      || 7  || 8 || NC
|-
|  GND     || 9  || 10|| GND
|}