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Model 2507

RS-232 Asynchronous Fiber Optic Mini Modem

S.I. Tech Model 2507 RS-232 Asynchronous Fiber Optic Mini Modem

Features:

0 to 19.2 Kbps asynchronous operation on fiber optic cable, simplex or full duplex operation
3280 ft. (1.0Km) maximum distance capability
0°C to 50°C operating range
ST connector receptacle (SMA option)
DTE or DCE switch selectable
Mini Bit-Driver is powered by DTE (RS-232 self-power)
LED indicators for transmit and receive data
Male or female RS-232C (V.24) connectors

Specifications

Operating Mode:	Asynchronous, simplex, or full duplex
Input/Output Interface:	RS-232-C, Type D, asynchronous to 19.2 Kbps, connects directly to Terminal (RS-232 cable not required)
Transmission Line Interface:	ST connector is standard for interfacing with fiber optic duplex cable (SMA option)
Transmission Distance:	3280 ft. (1.0 Km)
Optical Power into a 50 Micron Core Optical Fiber:	0.5 microwatt, 10 dB power budget @ 820 nanometers
Receiver Sensitivity:	50 nanowatts at less than 10^-9 bit error rate
Operating Temperature:	0 °C to 50 °C
Metal Enclosure:	1.75 x 3 x 0.625 in (4.5 x 7.5 x1.6 cm) Panel or DIN rail mounting option
Weight:	0.25 lb (100 grams)
Input Power:	Host supplied or pin 9

Operating Distance for Fiber Optic Cable

S.I. Tech Model 2507 Diagram

Optical unit connection: Connect the optical transmission line to T and R receptacles. Note which cable channel goes to T or R by noting cable imprint. On the other end, reverse the connection.

RS-232 Connector Pins Utilized by Model 2507

S.I. Tech Model 2507 Diagram