查看“EMB-4940-COM”的源代码

[[文件:EMB-4940-COM.jpg|600px|缩略图|EMB-4940-COM]]
===== 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
|}

''' COM2： '''
:{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称
|-
| DATA- || 1 || 2 || DSR#
|-
| DATA+ || 3 || 4 || RTS#
|-
| RX+ || 5 || 6 || CTS#
|-
| RX || 7 || 8 || RI
|-
| GND || 9 || 10 || GND
|}

''' COM3-6： '''
:{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称
|-
| DCD#3 || 1 || 2 || DSR#3
|-
| SIN3 || 3 || 4 || RTS#3
|-
| SOUT3 || 5 || 6 || CTS#3
|-
| DTR#3 || 7 || 8 || RI#3
|-
| GND || 9 || 10 || GND
|-
| DCD#4 || 11 || 12 || DSR#4
|-
| SIN4 || 13 || 14 || RTS#4
|-
| SOUT4 || 15 || 16 || CTS#4
|-
| DTR#4 || 17 || 18 || RI#4
|-
| GND || 19 || 20 || GND
|-
| DCD#5 || 21 || 22 || DSR#5
|-
| SIN5 || 23 || 24 || RTS#5
|-
| SOUT5 || 25 || 26 || CTS#5
|-
| DTR#5 || 27 || 28 || RI#5
|-
| GND || 29 || 30 || GND
|-
| DCD#6 || 31 || 32 || DSR#6
|-
| SIN6 || 33 || 34 || RTS#6
|-
| SOUT6 || 35 || 36 || CTS#6
|-
| DTR#6 || 37 || 38 || RI#6
|-
| GND || 39 || 40 || GND
|}

''' J1： '''
:{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称
|-
| SOUT || 1 || 2 || DTR#
|-
| HSOUT2RX+ || 3 || 4 || HDTR#2RX
|-
| A2 || 5 || 6 || B2
|}

''' J2： '''
:{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称
|-
| SIN || 1 || 2 || DCD#
|-
| SIN2TX+DATA+ || 3 || 4 || DCD#2TX-DATA-
|-
| A1 || 5 || 6 || B1
|}

''' J3： '''
:{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称
|-
| SIN2 || 1 || 2 || SSIN2
|-
| SIN2 || 3 || 4 || VCC
|-
| SIN2 || 5 || 6 || VCC
|-
| NC || 7 || 8 || VCC
|}