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MODEL277/A : RS232 to optic fiber converter
Products Content:
The Model277/A Series converter is equipped with a multiple interface circuit that can handle RS-232 serial interfaces and multi-mode or single- mode fiber. Model277/A converters are used to extend serial transmission distance up to 2 km (multi-mode fiber) or up to 20-100km (single- mode fiber). Note that the RS-232 interfaces cannot be used on the same Model277/A at the same time to convert to fiber.Auto Baud Rate Detection
The Model277/A Series incorporates a method for automatically detecting the serial signal baud rate by hardware. This is an extremely convenient feature for the user. Even if a device's baud rate is changed, the signal will still be transmitted through the RS-232 to fiber converter without any problem.
Features
1.Auto sense serial signal rate, zero delay automatic transmit
2.Support 5V Volt input, consumption 2W
3.Internal or external power optional.
4.Multi-mode 2KM, signal-mode 20-100KM
Communication
Standard Accord EIA RS-232standard
RS-232 signal TX, RX, GND 
Fiber signal IN, OUT
Working format Asynchronism, point to point
Direction control Adopt automatic send data control , auto distinguish and control data transfer direction
Band rate 0-120Kbps, auto serial band rate test
Fiber wavelength Multi-mode 850nm, signal-mode 1310nm
Electricity port transmission RS-232 port 15M
Optic port transmission Multi-mode 2KM, signal-mode 20-100KM                    Single-mode: 8.3/125, 8.7/125, 9/125, or 10/125 μm
Multi-mode: 50/125, 62.5/125, or 100/140 μm
Loading point to point
Interface protection 600W surge protection, 15KV ESD protection
Electricity port connector DB-9 female
Optic port connector Multi-mode adopt ST/SC connector, signal-mode adopt FC/ST/SC connector
Environment
Working temperature -25 to 70℃
Storage temperature -40 to 85℃
Humidity Relative humidity 5% to 95%
Power
Input power
5VDC power supply
Consumption
2W
Dimension
L*W*H 100mm*69mm*22mm
Shell Iron
Color White
Weight 230g



3One_Serial to fiber converters

MODEL277 : RS232/485/422 to optic fiber converter
MODEL277/B : RS485/422 to optic fiber converter



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