查看“MITX-6135 COM”的源代码

===== COM1-2： =====
{| class="wikitable"
|-
! Pin !! COM1-2 
|-
| 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 
|}