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Model 2857

RS-422 to Fiber Optic Modem

S.I. Tech Model 2857 RS-422 to Fiber Optic Modem

S.I. Tech Model 2857

Capable of data rates up to 20Mbps

The S.I.Tech Model 2857 is designed for high speed RS-422 data communication using fiber. This system uses 4 wire RS-422.

Operating Mode:	Asynchronous, simplex or full duplex, 20 Mbps
Input/Output Interface:	RS-422, 4 wire terminal block
Transmission Line Interface:	2 ST fiber optic receptacles (SMA option)
Transmission Distance:	See distance chart
Transmitter Output Power:	30 microwatts into 50 micron fiber
System Wavelength:	820 nanometers (1300 nm option)
Minimum Sensitivity:	3 microwatts @ 820 nanometers
Bit Error Rate:	10^-9
Operating Temperature:	0 °C to 50 °C
Metal Enclosure:	7.5" x 7" x 3" (19 x 17.8 x 7.6 cm)
1U 19" Rack:	17"W x 1.75"H x 7.5"D (43.2 x 4.3 x 19.0 cm)
Weight:	3 lbs. (1.36 kg)
Input Power:	110 VAC 50/60 Hz
230V Version:	2857V

S.I. Tech Model 2857 Diagram

S.I. Tech Model 2857 Diagram