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LFM series RS-232 / 422 / 485 serial optic fiber MODEM - LFMRS244
Lightem LFM series is a RS232 Fiber Modem that convert the RS232 / 422/ 485 serial signal over Fiber Optics interface. It can be used to connect RTU to HOST or SCADA controller. Optical fiber is used as medium to lengthen the transmissions distance.
Features
- Support RS-232/RS-485/RS-422 interface
- Asynchronous, point to point, rate up to 500Kbps
- Support 9V-40V power input, consumption 2W
- 1500W surge protection, 15KV static protection
- RS-485/422 port support 32 node ( can tailor up to 128 Node upon request)
- Working wavelength: 850nm(multimode), 1310nm(singlemode)
- Auto test signal rate, zero delay auto transmit.
Specifications
| Parameters | Values |
|---|---|
|
Interface |
Support EIA RS-232 standard |
|
Data Rate |
0-500Kbps |
|
Transmission Distance |
RS232 port 15m, RS485/422 port 1500m |
|
|
Multimode 2km
|
|
|
Singlemode 20km
|
|
Working Temperature |
-25°C to 70°C |
|
Interface Type |
8 bit terminal block
|
|
|
Multimode: ST/ SC/FC
|
|
|
Singlemode FC/SC/ST
|
|
Dimensions (LxWxH)
|
94 x 70 x 26mm |
|
Weight |
230g |
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