查看“EMB-3870-COM”的源代码

[[文件:EMB-3870-COM.jpg|600px|缩略图|EMB-3870-COM]]
===== COM1-4： =====
:{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称
|-
| HDCD#1 || 1 || 2 || HDSR#1
|-
| HRXD1 || 3 || 4 || HRTS#1
|-
| HTXD1 || 5 || 6 || HCTS#1
|-
| HDTR#1 || 7 || 8 || HRI#1
|-
| GND || 9 || 10 || GND
|-
| HDCD#2 || 11 || 12 || HDSR#2
|-
| HRXD2 || 13 || 14 || HRTS#2
|-
| HTXD2 || 15 || 16 || HCTS#2
|-
| HDTR#2 || 17 || 18 || HRI#2
|-
| GND || 19 || 20 || GND
|-
| HDCD#3 || 21 || 22 || HDSR#3
|-
| HRXD3 || 23 || 24 || HRTS#3
|-
| HTXD3 || 25 || 26 || HCTS#3
|-
| HDTR#3 || 27 || 28 || HRI#3
|-
| GND || 29 || 30 || GND
|-
| HDCD#4 || 31 || 32 || HDSR#4
|-
| HRXD4 || 33 || 34 || HRTS#4
|-
| HTXD4 || 35 || 36 || HCTS#4
|-
| HDTR#4 || 37 || 38 || HRI#4
|-
| GND || 39 || 40 || GND
|}

''' COM5-6： '''
:{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称
|-
| HDCD#5 || 1 || 2 || HDSR#5
|-
| HRXD5 || 3 || 4 || HRTS#5
|-
| HTXD5 || 5 || 6 || HCTS#5
|-
| HDTR#5 || 7 || 8 || HRI#5
|-
| GND || 9 || 10 || GND
|-
| HDCD#6 || 11 || 12 || HDSR#6
|-
| HRXD6 || 13 || 14 || HRTS#6
|-
| HTXD6 || 15 || 16 || HCTS#6
|-
| HDTR#6 || 17 || 18 || HRI#6
|-
| GND || 19 || 20 || GND
|}