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Pins 4, 5 are not used.Short-circuited inside.
ER(DTR)Send request (Data Terminal Ready)
CD(DCD)Carrier Detection
SG(Signal Ground)
DR (DSR) Send enable (Data Set Ready)
CS (CTS) Send enable
RS (RTS) Send request
RD (RXD) Receive data
SD (TXD) Send data
FG Frame ground
Pin No. Function
1 Frame ground
2 Send data (232ADP to RS232C device)
3 Receive data (RS232 device to 232ADP)
4 • 5 Not used
6 Shows RS232C device is ready to receive
7 Signal ground
8 On when carrier is detected for data reception
20
Signal requesting preparation for data
sending to RS232C device.
存儲卡 FX-EEPROM-16
連接電纜 FX-232CAB-1
RS-422電纜 FX-422CAB0
終端模塊用的輸入輸出電纜 FX-16E-500CAB-R
輸入輸出電纜 FX-A32E-150CAB
存儲卡 FX-EEPROM-8
終端模塊 FX-16EYT-TB
存儲卡 FX-EEPROM-4
終端模塊用的輸入輸出電纜 FX-16E-150CAB-R
終端模塊 FX-16EYS-TB
終端模塊用的輸入輸出電纜 FX-16E-150CAB
終端模塊 FX-16EX-A1-TB
終端模塊用的輸入輸出電纜 FX-16E-300CAB
終端模塊用的輸入輸出電纜 FX-16E-500CAB
終端模塊 FX-16E-TB
輸入輸出電纜 FX-A32E-300CAB
終端模塊 FX-32E-TB
輸入輸出電纜 FX-A32E-500CAB
終端模塊用的輸入輸出電纜 FX-16E-300CAB-R
RS-422/USB轉(zhuǎn)換器 FX-USB-AW
終端模塊 FX-16EYT-H-TB
RS-232C/RS-422轉(zhuǎn)換器 FX-232AWC-H
存儲卡 FX-EPROM-8
終端模塊 FX-16EYR-TB
通用的輸入輸出電纜 FX-16E-500CAB-S
連接電纜 FX-232CAB-2
存儲卡 FX-RAM-8