查看“EMB-3531-COM”的源代码

[[文件:EMB-3531-COM.jpg|500px|缩略图|EMB-3531-COM]]

'''COM1:'''
{| class="wikitable"
|-
! 信号名称 !! Pin# !! Pin# !! 信号名称 
|-
|DATA-  || 1 || 2 || NC
|-
| DATA+/RXD || 3 || 4 || RTS
|-
|TXD || 5 || 6 || CTS
|-
|NC  || 7 || 8 || NC
|-
| GND || 9 || 10 || GND
|}

'''COM2_3:'''
{| class="wikitable"
|-
! 信号名称 !! Pin# !! Pin# !! 信号名称 
|-
|DATA-  || 1 || 2 || DB_RXD
|-
| DATA+/RXD || 3 || 4 || DB_TXD
|-
|TXD || 5 || 6 || NC
|-
|NC  || 7 || 8 || NC
|-
| GND || 9 || 10 || GND
|}


'''COM4_7:'''
{| class="wikitable"
|-
! 信号名称 !! Pin# !! Pin# !! 信号名称 
|-
| NC || 1 || 2 || NC
|-
| RXD || 3 || 4 || RTS
|-
|TXD || 5 || 6 || CTS
|-
| NC || 7 || 8 ||NC 
|-
| GND || 9 || 10 || GND
|-
| NC || 11 || 12 || NC
|-
|RXD || 13 || 14 || RTS
|-
| TXD || 15 || 16 || CTS
|-
|NC ||  17 || 18 || NC
|-
| GND || 19 || 20|| GND
|-
| NC || 21 || 22 || NC
|-
|RXD  || 23 || 24 || RTS
|-
| TXD || 25 || 26 || CTS
|-
| NC || 27 || 28 || NC
|-
| GND  ||29 || 30|| GND
|-
| NC  ||31 || 32 || NC
|-
| RXD || 33 || 34 || RTS
|-
| TXD || 35 || 36 || CTS
|-
| NC || 37 || 38 || NC
|-
|  GND ||39 || 40|| GND
|}