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More information.
With the DIN Rail RS-232/422/485 Fiber Driver, you can enable any two async serial devices to communicate half- or full-duplex over two multimode ST fibers at distances up to 4 km. RS-232 signals are supported up to 115.2 kbps; RS-422 or RS-485 signals are supported up to 460.8 kbps. This driver replaces converters and isolators when you connect remote equipment.
Distance (Maximum) — 4km Operating Temperature — -40 to +80°C Operating Humidity — Up to 95% noncondensing Operation —
RS-232: Half- of full-duplex;
RS-485: 2-wire half-duplex or 4-wire full-duplex;
RS-422: Full-duplex;
Fibre ring: Half-duplex over multimode; all transmissions are async Speed —
RS-232: Up to 115.2 kbps;
RS-422/RS-485: Up to 460.8 kbps Connectors — (2) 6-position terminal blocks, (1) pair of ST Power — 10-30 VDC, 140 mA Dimensions — 2.5H x 5.8W x 10.9D cm