查看“MATX-6994 COM”的源代码

[[文件:MATX-6994 COM1,JCOM2，JCOM3-COM6，COM7-10，J10.jpg|600px|缩略图|MATX-6994 COM1,JCOM2，JCOM3-COM6，COM7-10，J10]]
===== COM1： =====
{| class="wikitable"
|-
! Pin !! COM1 
|-
| 1 || DCD# 
|-
| 2 || SIN 
|-
| 3 || SOUT 
|-
| 4 || DTR# 
|-
| 5 || GND 
|-
| 6 || DSR# 
|-
| 7 || RTS# 
|-
| 8 || CTS# 
|-
| 9 || RI 
|}

===== COM2 跳线功能设置（J1，J2，J3）： =====
:{| class="wikitable"
|-
|colspan=2|COM2  RS232 PORT ||colspan=2|COM2  RS422 PORT   ||colspan=2|COM2  RS485 PORT
|-
| J1 || 1-3  2-4 || J1 || 3-5  4-6 || J1 || 3-5  4-6
|-
| J2 || 1-3  2-4 || J2 || 3-5  4-6 || J2 || 3-5  4-6
|-
| J3 || 1-2 || J3 || 3-4 || J3 || 5-6 
|}

===== JCOM2： =====
{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称 
|-
| HDCD#2TX-DATA || 1 || 2 || COM2_DSR#
|-
| HSIN2TX+DATA+ || 3 || 4 || COM2_RTS#
|-
| HSOUT2RX+ || 5 || 6 || COM2_CTS#
|-
| HDTR#2RX || 7 || 8 || COM2_RI_L
|-
| GND || 9 || 10 || GND
|}

===== JCOM3-6： =====
{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称 
|-
| HDCD# || 1 || 2 || HDSR#
|-
| HSIN || 3 || 4 || HRTS#
|-
| HSOUT || 5 || 6 || HCTS#
|-
| HDTR# || 7 || 8 || HRI#
|-
| GND || 9 || 10 || GND
|}

===== J9-J10： =====
{| class="wikitable"
|-
! Pin !! 信号名称 
|-
| 1 || +5V
|-
| 2 || COM_PIN10
|-
| 3 || +12V
|}