Features

• Various types of readily usable fibre-optic links up to 1km at various speeds up to 4Mbits/sec
• Links using plastic and glass fibre to suit varying user requirements
• Available at various standard wavelengths, including 660 & 880nm
• Custom-built Links to meet specific requirements
• Low power consumption
• Indigenously developed using state-of-the-art technology
• Low cost, compact and rugged

Applications

• Basic fibre-optic link experiments in educational institutions, R&D establishments, Defence laboratories, etc.
• Point to Point digital communications
• Local area networks and computer to computer communications
• Links for industrial control and automation, especially in explosive, hazardous and noisy (EMI) environments

Specifications

FOTR-200 - 20 metre Fibre Optic Link

The FOTR-200 consists of a transmitter module, receiver module and 20m of plastic fibre of 1000 micron diameter. The link operates at up to 4Mbits/sec at a wavelength of 660nm.

	Transmitter
	Type		DC coupled and intensity modulated
	Data rate		0 to 4Mbits/sec for NRZ 0 to 2Mbits/sec for RZ
	Emission wavelength		660nm
	Maximum optical power		>100 micronW
	Optical power level		Controlled by a multi-turn potentiometer
	Receiver
	Type		DC coupled
	Modulated optical data		0 to 4Mbits/sec for NRZ
	Input rate		0 to 2Mbits/sec for RZ
	General
	Link length		20m
	Optical cable		20m length, 1000 micron dia., low attenuation Plastic fibre optic cable with snap on connectors
	Logic
	- Electrical		TTL '1' TTL '0'
	- Optical		Low power High power
	Connector details		BNC for data DIN for power
	Supply voltage		Transmitter - 9v DC, 80mA Receiver - 9v DC, 50mA
	Physical
	Dimensions (width x depth x height)		80mm x 35mm x 50mm

FOTR-300 - 1000 metre Fibre Optic Link

The FOTR-300 consists of a transmitter module, a receiver module and 100m of 50/125 GI multimode glass fibre optic cable (loose jacketed). The operating wavelength is 880nm. The link operates up to 2km. The standard link is supplied with 100m of fibre cable. Links of greater lengths can be specially ordered.

	Transmitter
	Type		DC coupled and intensity modulated
	Data rate		0 to 2Mbit/sec for NRZ 0 to 1Mbit/sec for RZ
	Maximum optical power		50/125 GI fibre: 10micronW or -20dBm
	Receiver
	Nature		AC coupled with PIN silicon photo detector
	Modulated optical data		0.05 to 2.0Mbit/sec for NRZ
	Input rate		0.05 to 1.0Mbit/sec for RZ
	Sensitivity		-35dBm
	Features		AGC and derived latch enable
	General
	Operating wavelength		880nm
	Cable length supplied		100m (link is capable of operating up to 2km)
	Optical cable		50/125 GI glass fibre. NA - 0.2 (loss - 3.0dBm/km)
	Data I/O		TTL compatible
	Logic		1KOhms
	- Electrical		TTL '1' TTL '0'
	- Optical		Low power High power
	Connector details
	- Optical		SMA
	- Electrical		BNC for data and DIN for power
	Supply voltage		Transmitter - 9v DC, 100mA Receiver - 9v DC, 50mA & 9v DC, 30mA
	Physical
	Dimensions (width x depth x height)		Transmitter: 90mm x 40mm x 55mm Receiver: 140mm x 40mm x 70mm

Ordering Information

	Description		Part #
	20m fibre optic link using standard plastic fibre of 1000 micron diameter. It operates at up to 4Mbit/sec at a wavelength of 660nm		FOTR-200
	50/125 GI multimode glass fibre with NA=0.2. Operates at up to 2Mbit/sec at a wavelength of 880nm. The standard product is supplied with 100m of loose-jacketed fibre optic cable. The link can work up to a length of 2km. Custom link lengths can be specially ordered.		FOTR-300

Download FOTR Power Point Presentation