BD-RS232-RS485 converter realizes data conversion between RS232 and RS485 without power . It is small and can use in bank,parking, IC pay and so on.
PRODUCT CHARACTERISTIC
u Comply with EIA RS232/RS485 stand requirement;
u RS232 port support DB9 female
u RS485 port support DB9 male ;
u RS485 work mode support asychronous half duplex
u Transmit rate:300~115200bps;
u Transmit distance:0~1200meter
u Dimension:60mm*35mm*18mm
u Work enviroment:0~60℃,5%~95% relative humity
1.RS-232 pins：
|
DB9female
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
|
RS-232
(DCE)
|
DCD
|
TXD
|
RXD
|
DTR
|
GND
|
DSR
|
RTS
|
CTS
|
2. RS-485
|
DB9male
|
1
|
2
|
3
|
4
|
5
|
6
|
|
485
|
485 D-/B
|
485 D+/A
|
__
|
__
|
GND
|
—
|