Benchmark Electronic Systems - Optical Fibre Lab System

The Series 2000 Fibre Optic Light Source is a desktop unit. Versatile and modular, it is standard equipment with the Benchmark OFS Series I, II, and III or can be purchased as an option extra for greater flexibility and expandability of existing configurations.

Features

Versatile microprocessor based instrument with keypad selection and LCD status display
Stabilized LED light sources for precision measurement on multi-mode and single-mode fibre optic links
Modular design with up to two light source units that plug into mainframe
Choice of user-pluggable light source units with 850 or 1300nm wavelengths and SMA, FC or ST type output connectors
Simultaneous operation of any two light source units
Variable optical power output
Continuous Wave [CW], internal or external modulation
High speed operation up to 34 Mbps [internal/external modulation]
Programmable 8/16 bit NRZ pattern
2 ²³ -1 length Pseudo Random Binary Sequence [PRBS]
RS-232 interface [optional] for external control from PCs

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Specifications

Functional


	Max number of sources		Two
	Source selection		All OFF, one ON, all ON
	Keypad		6 x 2 membrane keypad
	Key Functions		Enter, Escape, Up & Down arrows; selection of: Operating Mode, Source, PRBS /Word Mode, Pattern Length, Word Pattern, Output power, Bit rate and Local/Remote Control
	Switches		Power On, Reset
	Display		20 x 2 dot matrix LCD
	Status indication		Bit rate, Operating mode, Source selected, Control mode, Word Pattern/PRBS length

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Modulation


	Continuous wave		Optical power output level specified separately for each module. Power variable over 10dB range in steps of 0.2dB
	Internal modulation		Bit rates of 128, 256, 512, 1024, 2048, 8448 & 34368 kbps
	Word Mode		Programmable 8/16 bit NRZ pattern
	PRBS mode		2⁷-1, 2¹⁰-1, 2¹⁵-1, 2²³-1
	External modulation		TTL input from 0 to 34368Kbps

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Input


	TTL input for external		BNC socket
	Modulation		75 Ohms/1K Ohms selectable impedance

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Output


	TTL output of internal/external modulated signal		BNC socket, 1K Ohms impendence
	Bit clock		BNC socket, 1K Ohms impendence

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Interface


	Communication interface (optional)		RS-232 [EIA data lead only]

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Power


	Power supply		230V +/- 10%
	Power consumption		20W max

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Environmental


	Operating temperature		0^o to 40^o C
	Storage temperature		-10^o to 70^o C

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Physical


	Dimensions - width x depth x height		320mm x 360mm x 135mm
	Weight		4kgs

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Stabilised Light Source Modules

LS 2011 - 860 nm Source


	Optical source		LED
	Peak wavelength		860nm
	Spectral width (FWHM)		50nm
	Maximum optical output		[into 50/125µ fibre, NA = 0.2 ] 45µ W [-14dBm]
	Optical power output range		-14 dBm [45 micron W] to -24 dBm [4 micron W]
	Output stability		0.1 dBm [(+(or) -) 3.5
	Optical output connector		SMA/ST/FC*

*Choose any one while ordering

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LS 2012 - 1300nm Source


	Optical source		LED
	Peak wavelength		1300nm
	Spectral width (FWHM)		120nm
	Maximum optical output		[into 50/125µ fibre, NA = 0.2 ] 18 micron W [-17dBm]
	Optical power output range		-17 dBm [18 micron W ] to -27 dBm [2 micron W]
	Output stability		0.1 dBm [(+(or) -) 3.5
	Optical output connector		SMA/ST/FC*

*Choose any one while ordering

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LS2013 - 1300nm Single Mode/Multi Mode Source


	Optical source		Edge emitting LED
	Peak wavelength		1300nm
	Spectral width (FWHM)		120nm
	Maximum optical output		[into 50/125µ fibre, NA = 0.2 ] 50 micron W [-13dBm]
			[ into 9/125 micron fibre, NA = 0.1] 10 micron W [-20 dBm]
	Optical power output range - multi mode		-13 dBm [50 micron W ] to -23 dBm [5 micron W]
	Optical power output range - single mode		-20 dBm [10 micron W ] to -30 dBm [1 micron W]
	Output stability		0.1 dBm [+- 3.5
	Optical output connector		ST

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Powerful, Versatile Test Set

Testing and accurate loss measurement of fibre optic cables, connectors , adaptors, couplers, splices, etc.
Testing and trouble-shooting of fibre optic links, fibre optic LANs etc.
Determination of sensitivity of fibre optic receivers
Study of eye pattern of optical receivers using PRBS mode
Characterisation of LEDs, laser diodes, photo detectors, etc.

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Ordering Information

Series 2000 Stabilized Light Source

	*Description*		*Part #*
	Series 2000 Stabilized Light Source Mainframe & LS 2011 -XX 860nm Stabilized Light Source Module		LS 2001 -XX
	Series 2000 Stabilized Light Source Mainframe & LS 2012 -XX 1300nm Stabilized Light Source Module		LS 2002 -XX
	Series 2000 Stabilized Light Source Mainframe & LS 2011 -XX 860nm Stabilized Light Source Module & LS 2012 -YY 1300nm Stabilized Light Source Module		LS 2003 -XX
	Series 2000 Stabilized Light Source Mainframe & LS 2013 -XX 1300nm SM/MM Stabilized Light Source Module		LS 2006 -XX
	Series 2000 Stabilized Light Source Mainframe & LS 2011 -XX 860nm Stabilized Light Source Module & LS 2013 -YY 1300nm SM/MM Stabilized Light Source Module		LS 2007 -XX-YY
	LS 2011 860 nm Stabilized Light Source Module		LS 2011 -XX
	LS 2012 1300 nm Stabilized Light Source Module		LS 2012 -XX
	LS 2013 1300 nm SM/MM Stabilized Light Source Module		LS 2013 -XX
	XX-YY = SM for SMA, FC for FC, ST for ST

*To be specified while ordering

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Series 2000
Fibre Optic Power Meters

Download Series 2000
Power Point Presentation

Series 2000