Your Serial and Data Communications Expert
Shenzhen 3onedata Technology Co.,Ltd
DIN-Rail
DIN-Rail
DIN-Rail
DIN-Rail
Installation
Installation
Installation
Installation
Troubleshooting
Troubleshooting
Troubleshooting
Troubleshooting
instructions:
instructions:
instructions:
instructions:
1. Electric port and optic port inconnection, insert the power
supply, PWR light, RXD light.
2. Use optic fiber short the optic port IN and OUT, RXD OFF.
3. If the up stream port is RS-232, connect the up stream port to
PC RS-232 port correctly, Using “Start” → “accessory”
→ “communication”,
open the typical termianl, choice the
correct COM port and 9600bps speed
，
shorting the optic IN
and Out, input character in the typical termianl window, you
will see the data indicate, if you donot see the data indicate,
the products is failure.
Model277/A
Model277/A
Model277/A
Model277/A
FAQ:
FAQ:
FAQ:
FAQ:
LED
LED
LED
LED
indicator
indicator
indicator
indicator
OFF
OFF
OFF
OFF
1.Power supply insert incorrect
2.Choice incorrect power supply( 5VDC)
LED
LED
LED
LED
indicator
indicator
indicator
indicator
instruction
instruction
instruction
instruction
1.PWR ON:
Product work normally
2.TXD indicator flash: optic port transfer data
3.RXD indicator flash: optic port receive data
4.RXD ON: optic connection incorrect
（
electric port in
connection, used to optic port alarm indicator
）
Communication
Communication
Communication
Communication
failure
failure
failure
failure
