查看“BPC-7932-COM”的源代码

===== COM1： =====
:{| class="wikitable"
|-
! Pin !! 信号名称
|-
| 1 || DCD
|-
| 2 || RXD
|-
| 3 || TXD
|-
| 4 || DTR
|-
| 5 || GND
|-
| 6 || DSR
|-
| 7 || RTS
|-
| 8 || CTS
|-
| 9 || RI
|}

''' COM2： '''
:{| class="wikitable"
|-
! 信号名称 !! 管脚 !! 管脚 !! 信号名称
|-
| DCD# || 1 || 2 || DSR#
|-
| SIN || 3 || 4 || RTS#
|-
| SOUT || 5 || 6 || CTS#
|-
| DTR# || 7 || 8 || RI#
|-
| GND || 9 || 10 || GND
|}

''' J31： '''
:{| class="wikitable"
|-
! 信号名称 !! 管脚 !! 管脚 !! 信号名称
|-
| GND || A1 || A2 || ALARM_IN_1
|-
| ALARM_IN_2 || A3 || A4 || ALARM_IN_3
|-
| ALARM_IN_4 || A5 || A6 || GND
|-
| RS485_TXD+ || B1 || B2 || RS485_TXD-
|-
| RS485_RXD+ || B3 || B4 || RS485_RXD-
|-
| ALARM_OUT+ || B5 || B6 || ALARM_OUT-
|}

''' COM4： '''
:{| class="wikitable"
|-
! 信号名称 !! 管脚 !! 管脚 !! 信号名称
|-
| RS485_DN || 1 || 2 || RS485_DP
|-
| GND || 3 ||   ||  
|}