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Serial to optic fiber modem
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This Co. have total
12
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The Model277 Series converter is equipped with a multiple interface circuit that can handle RS-232, or RS-422/485 serial interfaces andmulti-mode or single- mode fiber. Model277 converters are used to extend serial transmission distance up to 2 km (multi-mode fiber) or up to 20 km (single- mode fiber). Note that the RS-232 and RS-422/485 interfaces cannot be used on the same Model277 at the same time to convert to fiber.Auto Baud Rate Detection
The Model277 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 adevice's baud rate is changed, the signal will still be transmitted through the RS-232 or RS-422/485 to fiber converter without any problem.
Features
1.Auto sense serial signal rate, zero delay automatic transmit
2.500Kbps the highest rate
3.Supply three interface (RS232/485/422)
4.Multi-mode 2KM, signal-mode 20KM
Communication
| Standard |
Accord EIA RS-232, RS-48, RS-422 standard |
| RS-232 signal |
IN, OUT, GND |
| RS-485 signal |
D+, D-, GND |
| RS-422 signal |
R+, R-, T+, T-, GND |
| Fiber signal |
IN, OUT |
| Working format |
Asynchronism, point to point or multi-point |
| Direction control |
Adopt automatic send data control , auto distinguish and control data transfer direction |
| Band rate |
0-500Kbps, auto-sense signal serial baud rate |
| Fiber wavelength |
Multi-mode 850nm, signal-mode 1310nm |
| Electricity port transmission |
RS-232 port 15M, RS-485/422 port 1200M |
| Optic port transmission |
Multi-mode 2KM, signal-mode 20KM |
| Loading |
RS-485/422 port Support 32 port loop enviroment(or handtailor 128 point) |
| Interface protection |
600W surge protection, 15KV static protection |
| Electricity connector |
8 terminal block |
| 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
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Input power
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5-40VAC
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Consumption
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2W
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Dimension
| L*W*H |
100mm*69mm*22mm |
| Shell |
Iron |
| Color |
White |
| Weight |
230g |
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click for larger image
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