查看“ATX-6953-COM”的源代码

[[文件:ATX-6953-COM.jpg|600px|缩略图|ATX-6953-COM]]
===== 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"
|-
! COM1 !! AS RS232 PORT !! COM1 !! AS RS422 PORT !! COM1 !! AS RS485 PORT
|-
| J4 || 1-3  2-4 || J4 || 3-5  4-6 || J4 || 3-5  4-6
|-
| J5 || 1-3  2-4 || J5 || 3-5  4-6 || J5 || 3-5  4-6
|-
| J6 || 1-2 || J6 || 3-4 || J6 || 5-6  7-8
|}

:{| class="wikitable"
|-
! COM2 !! AS RS232 PORT !! COM2 !! AS RS422 PORT !! COM2 !! AS 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  7-8
|}

''' COM3-COM6： '''
:{| 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 || COM_PIN10
|}

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