Name: RS-232/RS-485-RS-422 serial port fiber optic modem

• Support RS-232,RS-485,RS-422 interfaces
• Asynchronous transmission,point-to-point application,speed can be up to 500kbps.
• Support 9V-40V wide range power input,2W for power comsumption
• 1500W surge protection and 15KV electrostatic protection
• RS-485/422 interface supports 32 nodes(128 nodes can be customized)
• Operating wavelength:1310nm for both SM and MM.
• Automatic signal speed detection and zero-delay auto-trasmitting

Performance parameters:
Interfaces:conforming standards EIA RS-232,RS-485 and RS-422
Transmission speed:0~500Kbps
Transmission distance:15m for RS-232 interface,1200m for RS-485 and RS-422 interfaces.
Optical interfaces: 2km for multi-mode and 20km for single-mode
(optical interfaces multi-mode 2~5km,signal-mode 20~50km can be customized)
Working environment:-25℃~+70℃
Appearance instructions:
L×W×H:100mm×69mm×22mm
Housing:steel casing(wall-mounted design,support DIN-rail guide installation)
Color:white
Pin definition:
Power interface(two bit terminals)
DCIN 9-40V VDD
GND power ground
Electrical interface(8 bit terminals)
RS-485/422 interface
T+/D+ RS-422 send positive/RS-485 signal positive
T-/D- RS-422 send impositive/RS-485 signal impositive
R+ RS-422 receive positive
RS-422 receive impositive
GND signal ground
RS-232 interface
IN RS-232 input
OUT RS-232 output
GND signal ground
Optical fiber interface( SM or MM optional)
IN optical fiber input