查看“SHB-950-COM”的源代码

[[文件:SHB-950-COM1，COM2.jpg|600px|缩略图|SHB-950-COM1，COM2]]
===== COM1： =====
:{| 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
|}

''' 当COM2设置为RS232/422/485时，其管脚定义如下： '''
:{| class="wikitable"
|-
! RS485 !! RS422 !! RS232 !! Pin !! Pin  !! RS232 !! RS422 !! RS485
|-
| DATA- || TX- || DCD || 1 || 2 || DSR || NC || NC
|-
| DATA+ || TX+ || RXT || 3 || 4 || RTS || NC || NC
|-
| NC || RX+ || TXD || 5 || 6 || CTS || NC || NC
|-
| NC || RX- || DTR || 7 || 8 || RI || NC || NC
|-
| GND || GND || GND || 9 || 10 || GND || GND || GND
|}

; COM2跳线功能设置（J1，J2，J3）：
:{| class="wikitable"
|-
! COM2 !! RS232(默认） !! COM2 !! RS422 !! COM2 !! RS485
|-
| 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  7-8
|}