Ethernet TransmissionVideo TransmissionSFP TransceiversAccessories
RS-232/422/485 to Fiber Media Converters
Model:UF-277 Series
► Ring and point-to-point transmission
► Extends RS-232/422/485 transmission up to 80 km
► Supports baudrates up to 115.2 kbps
► Industrial Wall Mount Compact size rugged case
The UF-277 RS232/422/485 serial fiber media converters are equipped with a multiple interface circuit that can handle RS-232 or RS-422/485 serial interfaces and multi-mode or single-mode fiber. UF-277 converters are used to extend serial transmission up to 2 km (UF-277-M with multi-mode fiber) or up to 40 km (UF-277-S with single-mode fiber). The UF-277 converters can be configured to convert either RS-232 signals, or RS-422/485 signals, but not both at the same time.
► Ring and point-to-point transmission
► Extends RS-232/422/485 transmission up to 80 km with single-mode fiber or 2 km with multi-mode fiber
► Supports baudrates up to 115.2 kbps
► Industrial Wall Mount Compact size rugged case
► Decreases signal interference
► Protects against electrical interference and chemical corrosion
► Built-in surge and static protection
► Diagnostic and unit indicator LEDs
► Wide-temperature models available for -25 to 70°C environments
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Serial Interface |
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No. of Ports: |
2 |
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Serial Standards: |
RS232, RS422, RS485 |
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Serial Connector: |
5-Pin Terminal block |
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Serial Distance: |
RS-232 port 15m, RS-422, RS-485: 1500 meters |
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Rate: |
0-120Kbps |
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Baud Rate: |
300 Baud to 115,200 Baud |
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Serial Signals |
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RS-485: |
D+, D-, GND |
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RS-422: |
R+, R-, T+, T-, GND |
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RS-232: |
IN, OUT, GND |
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Optical Fiber |
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Fiber Connector: |
SC (in default), ST, FC optional |
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Fiber Distance: |
50/125 µm MMF: 2Km, 62.5/125 µm MMF: 5Km, 9/125 µm SMF:20/40/60/80Km |
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Electrical and Mechanical |
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Input Power: |
5V DC, 1A max. (5-40V) |
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Power Consumption: |
2W |
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Dimensions (LxWxH): |
110 x 104 x 28 mm |
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Weight: |
0.3Kg |
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Casing: |
Aluminum Case |
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Mounting Options: |
Wall-mount/Desktop |
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Environmental |
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Operating Temperature: |
-25°C to 70°C (-13°F to 158°F) |
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Storage Temperature: |
-40°C to 85°C (-40°F to 185°F) |
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Relative Humidity: |
5% to 95% non-condensing |
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MTBF |
> 100,000 hrs |
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Protection: |
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Static Protection: |
15KV electric static discharge (ESD) protection |
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Surge Protection: |
1500W/sec surge protection |
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LED Indicators: |
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PWR: |
Power Status |
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Serial: |
Per Port Status |
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Fiber |
Fiber Status |
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Regulatory Approvals |
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ISO9001, CE, RoHS, FCC |
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- Download FileName：UF-277 RS232,422,485 Serial to Fiber Converters Datasheet V1.0.pdf Size： 891KB
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Model |
Description |
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UF-277M |
RS232/RS422/RS485 serial to fiber converter, Phoenix terminal, Multimode, Dual Fiber, 2Km, SC |
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UF-277-20 |
RS232/RS422/RS485 serial to fiber converter, Phoenix terminal, Single Mode, Dual Fiber, 20Km, SC |
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UF-277-40 |
RS232/RS422/RS485 serial to fiber converter, Phoenix terminal, Single Mode, Dual Fiber, 40Km, SC |
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UF-277-80 |
RS232/RS422/RS485 serial to fiber converter, Phoenix terminal, Single Mode, Dual Fiber, 80Km, SC |
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UF-277S-20A |
RS232/RS422/RS485 serial ports to fiber converter, Phoenix terminal, Single Mode, Single Fiber, TX: 1310nm, RX: 1550nm, SC, standalone, external power adaptor |
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UF-277S-20B |
RS232/RS422/RS485 serial ports to fiber converter, Phoenix terminal, Single Mode, Single Fiber, TX: 1550m, RX: 1310nm, SC, standalone, external power adaptor |
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Mounting Options |
► Wall-mount/Desktop |
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Power Options |
► 5V DC, 1A max. (5-40V) |
