查看“BPC-7934-COM”的源代码

[[文件:BPC-7934-COM.jpg|600px|缩略图|BPC-7934-COM]]
===== COM1-COM6： =====
:{| class="wikitable"
|-
! Pin !! 信号名称
|-
| 1 || HDCD#
|-
| 2 || HSIN
|-
| 3 || HSOUT
|-
| 4 || HDTR#
|-
| 5 || GND
|-
| 6 || HDSR
|-
| 7 || HRTS
|-
| 8 || HCTS
|-
| 9 || HRI
|}

* COM2 跳线功能设置（J5，J6，J8）：
:{| class="wikitable"
|-
! COM2 !! RS232（默认） !! COM2 !! RS422 !! COM2 !! RS485
|-
| J5 || 1-3  2-4 || J5 || 3-5  4-6 || J5 || 3-5  4-6
|-
| J6 || 1-3  2-4 || J6 || 3-5  4-6 || J6 || 3-5  4-6
|-
| J8 || 1-2 || J8 || 3-4 || J8 || 5-6  7-8
|}