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RS232/RS485/RS422 to Fiber Optic Converter/Fiber Modem
- Product Detail
Description
Fiber Modem is equipped with a multiple interface circuit that can handle RS-232 or RS-422/485 serial interfaces and multi-mode or single-mode fiber. they 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 Model168 at the same time to convert to fiber. Auto Baud Rate Detection The Model168 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 devices 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
Auto sense serial signal rate, zero delay automatic transmit
500Kbps the highest rate
Supply three interface (RS232/485/422)
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 serial band rate test |
| 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 environment (or hand tailor 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 |
