Model 2505

RS-232 Asynchronous Fiber Optic Mini Modem

Specifications

Operating Mode:	Asynchronous, simplex or full duplex
Input/Output Interface:	RS-232-C, Type D, asynchronous at 0 to 115 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:	6600 ft (2Km), (5Km option)
Transmitter Enabled by RTS:	RTS/CTS delay 0 ms
Optical Power into a 50 Micron Core Optical Fiber:	0.5 microwatt, 15 dB power budget @ 880 nanometers
Receiver Sensitivity:	0.5 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:	External power supply (S.I.Tech #2121 - 110 VAC to 12 VDC)
230V Version:	Use S.I.Tech 2164 power supply

Operating Distance for Fiber Optic Cable

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 2505