Your Serial and Data Communications Expert
Shenzhen 3onedata Technology Co.,Ltd
RS-232:
RS-232:
RS-232:
RS-232:
MODEL277/A RS-232 port is DB9 female.
2
2
2
2
RS-232 output (TXD)
3
3
3
3
RS-232 input (RXD)
5
5
5
5
Signal ground (GND)
LED
LED
LED
LED
indications:
indications:
indications:
indications:
Specifications:
Specifications:
Specifications:
Specifications:
Standards: EIA RS-232C standard
Transfer rate: 0~120Kbps, auto test serial signal rate detect signal
speed automatically, zero delay time,
Transfer distance: RS-232 side: no less than 5m
Fiber optic:20,25,40,60,80,100,120km(SM),
2,5 km(MM) optional
Fiber connector: 2
×
SC, 2
×
ST, 2
×
FC optional
Wavelength:1310nm
Fiber optic cables: Single Mode:8.3/125,8.7/125,9/125 or 10/125
um
Muti-Mode:50/125,62.5/125 or 100/125 um
600W surge protection;1500W static protection
Power input: +5VDC power supply input
Dimensions: 94.0mm
×
71mm
×
26.0mm
Operating temp: -25°C to70°C
Power
Power
Power
Power
Green, Power supply indication
On: power joined; Off: no power connect
RxD
RxD
RxD
RxD
Green light, optic fiber interface receive
data point out and concurrently mere port
report an emergency and ask for help or
increased vigilance, on: There are data that
are received; Off:
Have data receive
TxD
TxD
TxD
TxD
Green light, optic fiber interface send
datum instruct
On: Have data send; Off: no data send
