查看“EMB-4870-COM”的源代码

[[文件:EMB-4870 COM1,COM2，COM3-6，COM7-10.JPG|600px|缩略图|EMB-4870 COM1,COM2，COM3-6，COM7-10]]
===== COM1-COM2： =====
{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称 
|-
| DCD || 1 || 2 || DSR
|-
| SIN || 3 || 4 || RTS
|-
| SOUT || 5 || 6 || CTS
|-
| DTR || 7 || 8 || RI
|-
| GND || 9 || 10 || GND
|}

===== COM3-6（COM7-10）： =====
{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称 
|-
| HDCD#3 || 1 || 2 || HDSR#3
|-
| HRXD3 || 3 || 4 || HRTS#3
|-
| HTXD3 || 5 || 6 || HCTS#3
|-
| HDTR#3 || 7 || 8 || HRI#3
|-
| GND || 9 || 10 || GND
|-
| HDCD#4 || 11 || 12 || HDSR#4
|-
| HRXD4 || 13 || 14 || HRTS#4
|-
| HTXD4 || 15 || 16 || HCTS#4
|-
| HDTR#4 || 17 || 18 || HRI#4
|-
| GND || 19 || 20 || GND
|-
| HDCD#5 || 21 || 22 || HDSR#5
|-
| HRXD5 || 23 || 24 || HRTS#5
|-
| HTXD5 || 25 || 26 || HCTS#5
|-
| HDTR#5 || 27 || 28 || HRI#5
|-
| GND || 29 || 30 || GND
|-
| HDCD#6 || 31 || 32 || HDSR#3
|-
| HRXD6 || 33 || 34 || HRTS#6
|-
| HTXD6 || 35 || 36 || HCTS#6
|-
| HDTR#6 || 37 || 38 || HRI#6
|-
| GND || 39 || 40 || GND
|}