Place of Origin : Sichuan, China (Mainland)
Brand Name : FOURSTAR
Model Number : FS-485E
MOQ : Negotiable
Delivery Time : 7-25days
Supply Ability : 1000 Carton/Cartons per Month
Certification : SGS,ROHS,UL
Price : Negotiable
Packaging Details : Standard Packing
Payment Terms : L/C,T/T,Western Union,Paypal
Technical details:
Signal definition of RS485/422 connection terminal
Signal-name |
description |
D+ |
RS485 signal positive |
D- |
RS485 signal is negative |
TXD+ |
RS422 signal sending positive |
TXD- |
RS422 signal sending negative |
RXD+ |
RS422 signal receiving positive |
RXD- |
RS422 signal receiving negative |
SG |
Signal ground |
FG |
Shielding groundchassis ground |
RS232 socketDB9M
Pin number |
Signal-name |
description |
1 |
+5V |
External connect 5V assistant power supply, use when the power supply of RS232 is not sufficient |
2 |
RXD |
RS232 signal receive |
3 |
TXD |
RS232 signal send |
4 |
DTR |
Get data terminal ready,have short connected with 6 |
5 |
GND |
Signal ground |
6 |
DSR |
Get data device ready,have short connected with 4 |
7 |
RTS |
Request to send, have short connected with 8 |
8 |
CTS |
Allow to send, have short connected with 7 |
9 |
Not be used |
Not be used |
TXD, RXD, GND, SG FG DSR RS232 to RS485 / RS422 Isolated converter OEM Images |