查看“ATX-6552 COM”的源代码

===== KCOM1-2： =====
{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称 
|-
|-
|KCOM1_485B || 1 || 2 || NC
|-
|KCOM1_485A/232RX || 3 || 4 || KCOM1_RTS
|-
|KCOM1_232TX|| 5 || 6 || KCOM1_CTS
|-
|NC || 7 || 8 || NC
|-
|GND || 9 || 10 || GND
|-
|}
{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称 
|-
|-
|KCOM2_485B || 1 || 2 || NC
|-
|KCOM2_485A/232RX || 3 || 4 || KCOM2_RTS
|-
|KCOM2_232TX|| 5 || 6 || KCOM2_CTS
|-
|NC || 7 || 8 || NC
|-
|GND || 9 || 10 || GND
|-
|}

===== KCOM3-4： =====
{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称 
|-
|-
|NC || 1 || 2 || NC
|-
|KCOM3_232RX || 3 || 4 || KCOM3_RTS
|-
|KCOM3_232TX|| 5 || 6 || KCOM3_CTS
|-
|NC || 7 || 8 || NC
|-
|GND || 9 || 10 || GND
|-
|}
{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称 
|-
|NC || 1 || 2 || NC
|-
|KCOM4_232RX || 3 || 4 || KCOM4_RTS
|-
|KCOM4_232TX|| 5 || 6 || KCOM4_CTS
|-
|NC || 7 || 8 || NC
|-
|GND || 9 || 10 || GND
|-
|}

===== COM1： =====
{| class="wikitable"
|-
! Pin !! 信号名称 
|-
| 1 || COM1_DCD#
|-
| 2 || COM1_SIN
|-
| 3 || COM1_SOUT
|-
| 4 || COM1_DTR#
|-
| 5 || GND
|-
| 6 || COM1_DSR#
|-
| 7 || COM1_RTS#
|-
| 8 || COM1_CTS#
|-
| 9 || COM1_RI_L
|}

===== COM2： =====
{| class="wikitable"
|-
! Pin !! 信号名称 
|-
|1 || NC
|-
|2 || COM2_RXD
|-
|3 || COM2_TXD
|-
|4 || NC
|-
|5 || GND
|-
|6 || NC
|-
|7 || NC
|-
|8 || NC
|-
|9 || NC
|}



===== JCOM1-4： =====
{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称 
|-
|-
|NC || 1 || 2 || NC
|-
|JCOM1_RX || 3 || 4 || JCOM1_RTS
|-
|JCOM1_TX || 5 || 6 || JCOM1_CTS
|-
|NC || 7 || 8 || NC
|-
|GND || 9 || 10 || GND
|-
|NC || 11 || 12 || NC
|-
|JCOM2_RX || 13||14 || JCOM2_RTS
|-
|JCOM2_TX || 15 || 6 || JCOM2_CTS
|-
|NC || 17 || 18 || NC
|-
|GND || 19 || 20 || GND

|}