OTEB-CO-B-Manual-Rev.. - Olson Technology Inc.
Contents
1. Up Down Buttons Figure 2 EDFA Front Panel Layout Display Optional LAN Fan Connection Fan Optical Optical Output Input RS232 AC Input amp Power Switch Figure 3 EDFA Rear Panel Layout 025 000533 Rev X6 5 www olsontech com Technical Specifications Typical Mode ns uo 7 we i20 ai ee a3 pe a a Number of Output ppp Fired Output PowerB 1s 16 17 is 19 2o ai a jo jaja jo Power Range dB 10 to 10 Input Max Alarm dBm 10 Power s Min Alarm dBm 10 Wavelength nm 1540 to 1560 Output Stability dB 0 3 Polarization dB 0 2dB Polarization Mode 0 508 Dispersion ps ind Reflection Loss dB 40dB Minimum Optical Connector SC APC Standard Network Management Interface RS 232 Power W 50W Maximum Voltage Vac 85 to 264 Voltage Voc 48 Typical Working Temperature C 5 to 45 Storage Temperature C 0 to 55 Dimensions 19 x 15 x 1 75 483mm x 381mm x 44mm Contact factory for other options Typical CATV CNR Degradation EDFA Optical Input dBm Figure 4 Typical CATV CNR Degradation 025 000533 Rev X6 6 www olsontech com STATUS DISPLAY PANEL OPERATION The microprocessor software monitors the function of a number of system parameters Pressing the Vand Abuttons allows the LCD to display key working parameters sequentially READY INPUT 3 0dBm Optical Input Power Input power INPUT display input power dBm e Inpu2. 4 LSON icida INC OTEB CO B Series Booster EDFA OPERATING MANUAL 24926 Highway 108 Sierra Village CA 95346 Phone 800 545 1022 Fax 209 586 1022 025 000533 Rev X6 E Mail sales olsontech com 27 Apr 2010 TABLE OF CONTENTS SAFE fe5es Pet ale cc ate heen hates PA i aed ncaa dit decade denies enced een dtp aed Meapoad ain vee toad areata ee 3 Safety Precauciones 3 High Voltage iii ai 3 Shock Hazard cui A A age ie a 3 INTRODUCTION iaa 4 Figure 1 Block Diagram of OTEB CO B Series EDFA cssseccsseeseseesseeeeeeeeeeeeeeesnaeeeseeeeeeneeseesenseeeeesneees 4 GENERAL FEATURES a a iaa 5 PANEL LAYOUTS 000000 a ti Did 5 Figure 2 EDFA Front Panel Layout cccsseeecsseeeeeeenseeeeeenseeneeenneeeeeenseeeeenseeeeeenseeeeeeeaseneeeeaseeneesseenenenseenenens 5 Figure 3 EDFA Rear Panel Layout c cccescessseeeeseeeeeeeeeseaesesneeeeeeeeesaaesaaneeenseeeseaesesaaeseneeaeseaeseeaeseneaeeaseeeess 5 Technical Specifica ONS a a a ede iad Med dei ee dS 6 Figure 4 Typical CATV CNR Degradiation sccccsseceeseeeseeeeeseeeeneeeeeeneeesaaeseneeeeseaesesaaesaseeeeeeneeseaesenaaeeneeeeees 6 STATUS DISPLAY PANEL OPERATION eaa a r a rar a aarre ae aa araea ssuensus aa ao aaa dea aa da aa aa Aara adaa Aa aoaaa aa raa adadan aeae En daeu asini 7 Optical Input POWT wisi geanne a e A eee eis ted ni ena 7 Optical OUtputPOWer aiii it ad 7 Laser TEMPE ii A A A id 7 E sided devs adeeeaknaadecuacegeustsarecc
3. ent damage Always use instruments such as an optical power meter to verify light output Optical instrument includes magnifying glasses microscopes etc NEVER look into the output of the EDFA or a fiber connected to an EDFA NEVER clean an optical connector with optical power present NEVER look into or use any optical instrument to view the distant end of a fiber that may be connected directly or via an optical splitter to a transmitter or EDFA that may be operating This specifically applies to fibers that are to be connected to receivers such as the OTPN 1000 or other devices at any distance from the laser transmitter or EDFA ALWAYS read the product data sheet and the laser safety label before powering the product Note the operation wavelength optical output power and safety classifications If safety goggles or other eye protection are used be certain that the protection is effective at the wavelength emitted by the device under test BEFORE applying power ALWAYS connect a fiber to the output of the device BEFORE power is applied Power should never be applied without an attached fiber If the device has a connector output a connector should be attached that is connected to a fiber This will ensure that all light is confined within the fiber waveguide virtually eliminating all potential hazard High Voltage The inside of the OTEA CO B EDFA contains no user serviceable parts There is exposed high voltage inside this unit O
4. green the EDFA is operating properly When the LED is off the unit is off A red LED indicates an alarm condition The alarm condition will be displayed on the display panel With proper power supply if the EDFA is functioning normally and the LED indicator is red the digital panel will display READY KEY OFF Turn on with the key The display shows KEY OFF for 10 seconds then the LED indicator changes to green Pressing the STATUS button displays the following parameters e Input power lt 10 dBm display gt NO INPUT the EDFA cannot be turned on and the LED is red e Ifany fault listed above has occurred there will be an alarm The microprocessor will shut down the laser automatically and the digital panel will display the cause of the fault e In order to protect the laser there is a time delay function After turning the laser on with the key the laser will start to work after 10 seconds NOTES ON OPERATION The EDFA should have good grounding and grounding resistance to 4Q According to the international standard on an AC three wire plug the middle wire is the grounding wire The EDFA incorporates a high performance high reliability switching power supply with over voltage protection The microproc essor monitors the output DC voltage If the fuse blows the unit should be returned to Olson for service In order to keep the reflection loss to lt 55dB the EDFA uses SC APC optical connectors Other connector types such a
5. h EAEE T 7 Laser Heating Cooling itt rtsaiii eda evi meade ee ee eee Sh N ee eesti 7 PEG aise e eek lea eee e e ia oat eG e Old beeen eee a 7 Voltage ini Hae ieee te gL eae ee A A ee ete 7 EEUN OTAN LATEA AA sig etab taatea aciedsuejaaies sasacusnchaveedeacctaucs ch faces secseaucesidagsectabctcnletty vet esse cori cg taba szattdetaiaciersantes 7 IP Address for RS 232 Connector iria arre diate adie haat ed lili ci 7 DESCRIPTION OF STATUS ALARM ico e 8 NOTES ON OPERATION dis 8 025 000533 Rev X6 2 www olsontech com SAFETY Safety Precautions The OTEA CO B EDFA emits invisible radiation that can cause permanent eye damage AVOID DIRECT EXPOSURE TO BEAM Operate the transmitter only with the proper optical fiber installed in the transmitter optical connector Power to the OTEA CO B EDFA should be turned off or preferably disconnected whenever the optical connector cover is opened and there is no installed fi ber as when the fiber connector is being installed or removed from the optical connector When the amplifier is working in normal state the output power of light with wavelengths in the invisible range infrared light may exceed 26dBm 400mW Therefore to avoid damaging your eyes do not look into the output port of the EDFA directly NEVER look at the end of the fiber to see if light is coming out NEVER Most fiber optic laser wavelengths 1310nm and 1550nm are totally invisible to the unaided eye and will cause perman
6. meters to ensure a stabilized output power of the gain module Moreover this system provides warnings via the front panel indicator LED and a digital display The LCD on the front panel shows the detailed working parameters of the EDFA This information can also be accessed via the standard RS 232 interface via an ex ternal computer Optical Optical Erbium Doped Fiber Optical Splitter Isolator Isolator WDM 1550 980 1480 Pump Laser 980 1480nm Output Power Detector Front Panel Status Alarm Figure 1 Block Diagram of OTEB CO B Series EDFA 025 000533 Rev X6 4 www olsontech com GENERAL FEATURES The Olson Technology Model OTEB CO BYXX EDFA incorporates a reliable optical output drive circuit and laser TEC to pro vide a highly reliable Erbium doped optical amplifier Built in microprocessor software allows the unit to monitor a number of sys tem parameters including laser status system alarms network management Thermoelectric Cooler TEC circuit operation etc If a failure is detected the power supply for the laser will shut down automatically a red LED indicator will light and the front panel display will show the nature of the problem The microprocessor software allows interconnection to a computer using the standard RS 232 interface The EDFA is housed in a IRU 19 rack mount configuration with an integrated 85 254V ac or 48Vpc power sup ply PANEL LAYOUTS LED Indicator On Off Buttons
7. nly au thorized factory service technicians should open the unit with power applied Shock Hazard The OTEA CO B EDFA is designed for indoor use only Direct exposure to moisture must be avoided If you have questions about laser safety procedures please call Olson Technology before powering your product The fiber amplifier is sensitive equipment Therefore please do not open the case of the amplifier to avoid damaging the internal component devices Opening the case of the amplifier without the written permission of Olson Technology Inc will void the warranty 025 000533 Rev X6 3 www olsontech com INTRODUCTION Olson Technology Inc a major manufacturer in fiber optic components provides a wide range of Erbium Doped Fiber Amplifiers EDFA s for 1550nm HFC networks They feature low noise figure stable output power and excellent environmental stability EDFA s are comprised of two main parts the gain module and the external control system The gain module amplifies the optical signal in 1550nm wavelength band 1540 1560nm typically It is made of high quality optical components and carefully designed to maximize overall performance Low power EDFA s may only have a single pump while high power units can have up to three pumps The external control system allows the operator to ensure that the gain module is working optimally Controlled by microprocessor it monitors the states of the gain module and adjusts all the para
8. s FC PC cannot be used with the EDFA Keep the connector clean when installing the optical cables Clean it with lint free tissue with anhy drous alcohol after several rounds of connection disconnection from the unit NEVER clean the optical connectors with the unit powered 025 000533 Rev X6 8 www olsontech com
9. t power 10dBm gt alarm e Input power 10dBm gt display NO INPUT gt shut down the power supply of the laser e Input power 0dBm gt reach fixed output power Optical Output Power Output OUTPUT display output power dBm e Tolerance 0 2dBm e No input power supply of the laser will be shut down automatically gt display NO INPUT gt NO OUTPUT Laser Temperature Laser temperature TEMP laser temp is set to operate in the range of 20 30 C e if exceeded gt LCD will display READY gt red LED indicator will light and the power supply of the laser will shut down auto matically Laser Bias Bias BIAS Bias is the key index of the laser if it exceeds the fixed range power supply of the laser the power supply will be shut down automatically to protect the laser Laser Heating Cooling Cooling heating COOLING HEATING standard temperature for laser 25 C TEC Thermoelectric cooler 25 C e At heat circumstance LCD display gt COOLING e At cool circumstance LCD display gt HEATING Voltage 5V Voltage 5V READS gt 0 5V alarm 5V Voltage 5V READS gt 0 5V alarm Serial Number Displays the serial number of the EDFA IP Address for RS 232 Connector The IP address code can be set by the operator via the RS 232 connector on the rear panel 025 000533 Rev X6 7 www olsontech com DESCRIPTION OF STATUS ALARM The front panel indicator LED indicator may be red green or off When the LED is
Download Pdf Manuals
Related Search