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Model 2428/2458

Asynchronous Time Division Multiplexer

S.I. Tech Model 2428/2458 Asynchronous Time Division Multiplexer

Model 2428/2458 is an 8 channel communication system providing 8 Bit-Driver links using one optical cable interface.

The 2428 provides 8 full duplex RS422 channels for any data rate on any channel(s) up to 76.8 Kbps.

The 2458 provides 8 half duplex RS485 channels. The data rate must be set at the factory for data rate up to 76.8 Kbps.

Operating Mode:	Asynchronous, RS422 simplex or full duplex. RS485 half duplex.
Input/Output Interface:	RS422/RS485 up to 76.8 Kbps
Input/Output Connector:	37 pin female (DB37)
Phase Distortion:	Less than 10%
Optical Connector:	ST standard (SMA option)
Transmission Distance:	6600 ft. (2 Km, 5 Km option)
Optical Power into a 62.5/125 micron Fiber:	10µW (50µW option)
Receiver Sensitivity:	0.5 Microwatt @ 10^-9 BER
System Wavelength:	850 nm, (1300 nm option)
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)
Weight:	3 lbs. 1.36 kg), Rack 6 lbs. (2.72kg)
Input Power:	105 to 130 VAC 60 Hz
230 Volt Version:	2428V/2458V

S.I. Tech Model 2428/2458 Diagram

S.I. Tech Model 2428/2458 Diagram