User's Manual
Contents
1. 27 MII A GRN WH S WHOR open O a BLWH WH BL WH GRN rd WH BRN Cross over T4 R4 oa E Un de whe Pico Manual EIA TIA 568B Owe Let to gt 322. Hidden heat isolations like Styrofoam In cases where installations are listed under AVOID cannot be avoided than special mounting accessories to be designed and special installations must be used 4 3 Distance determination Try to get as accurate information about the connection distance as you can in order to get the maximum performance out of the system The easiest way is to obtain a proportional map and calculate the distance In some cases the distance between sites can be measured directly with distance recorders There are infrared and laser distance meters that can display the distance between the viewer and the defined point 4 4 Direct sunshine To prevent the sun shining directly into the receiver optics first one has to determine the orientation of the link Try to avoid East West orientation wherever it is possible Examine both sides of the link at sunset and sunrise and find a position where the sun cannot shine directly into the receiver Be aware that the path of the sun is changing throughout the year V4 51 16 LaserBit Communications Corp Pico Manual 4 5 Eye safety No two installations sites are the same The buildings or structures the available space and the accessibility of the place will be different in each case Nevertheless as a general rule it is very important to select the installation site so that nobody can look directly into the transmitter For this reason place the head
3. A and on side B with the screws to the mounting frame and with the screws on the side of the unit make sure that LaserBit Communications Corp Pico Manual the unit is not moved during the tighten process The screws should be sufficiently tight to hold the unit for long time 4 Power Pico units at both ends Horizontal Fine ATENMENE STEWS t 5 Fine Adjustment is required after the unit has been aligned with the internal pointing device Fine alignment is applicable for vertical and horizontal orientations These movements must be done using the fine E a D alignment screws Adjust first the horizontal then the vertical screw as shown in the photographs on this page Adjust these screws while watching the rear panel LED lights see diagram 3 2 Illuminate as many green LED power indication lights as possible during the fine alignment process and follow your multimeter display to find the maximum of the detector voltage DON T TRY TO DO MOVE TWO HEADS AT THE SAME TIME The result won t be the same 6 During this period described in the fifth step try to avoid the saturation LED Red light See Diagram 5 2 Diagram 5 2 V4 51 19 LaserBit Communications Corp Pico Manual LED Meanings Power The head is powered up FO Link Fiber optical link between the two heads TP Link Copper side link between the head and the Network equipment RX OK There is enough light to start co
4. attenuators if necessary to avoid saturation of the receivers After obtaining the desired received level check the data connection between devices If there is a transmission problem check the status of the connecting devices e g link ON and cables If there s no LINK signal connect the network equipments back to back omitting the LaserBit system to ensure that they work V4 51 26 LaserBit Communications Corp Pico Manual properly Should they operate well get in contact with your supplier or call the technical support a Problem Report Form can be found at the end of this book V4 51 27 LaserBit Communications Corp Pico Manual 6 Warranty conditions LaserBit Communications Corp warrants that the LaserBit product purchased will free from defects in material and workmanship for a period of one 1 year from the date of purchase This warranty period will not be extended by virtue of a repair of the product or a replacement of any component of the product during the warranty period This warranty covers only normal commercial use LaserBit Communications Corp is not responsible for warranty service should the LaserBit identification marks serial numbers or original seals be removed altered or broken or should the product fail to be properly maintained or fail to function properly as a result of any modification misuse abuse improper installation neglect improper shipping damage caused by disasters such as fire flood
5. either so high on the side wall of the building or so close to the edge of the building on a parapet on the rooftop that no person can approach it accidentally and can get into the beam path Set up barriers if necessary and put warning signs at prominent places The laser heads are provided with all labels and hazard warnings required by the applicable standards There are warning labels on both the left and right side of the protective cover next to the optical window and there is a warning and an informative label on the rear side of the laser head The locations of those signs are shown in the following pictures INVISIBLE LASER RADIATION AVOID EXPOSURE TO BEAM CLASS 3B LASER PRODUCT Output Power Max 70 mW 785 nm Pulse Duration Not Pulsed EN 60825 1 1994 A11 1996 V4 51 17 LaserBit Communications Corp Pico Manual 5 Installation procedure For installation purposes the PICO units are factory Pre Set for 150 meters If the Pico link distance is less than 50 meters the beam should be adjusted with the special tool see below 5 1 Installation of the link For proper installation follow The Steps Listed Below 1 Direct head A to side B using the embedded pointing device See Diagram 1 1 Align Cross Hair at unit B Diagram 5 1 2 Direct head B to side A using the embedded pointing device See Diagram 3 1 Align Cross Hairs at unit B 3 fix the pico head on side
6. provides an easy to use connection between the head and the local network Power to the head Switching Key TP Connection Module This is the primary side of the OIU and these 3 connectors are used to provide the 230 VAC to the unit Please be very careful while connecting the 230 VAC cable Be sure that the cable is not under power when you connect it V4 51 23 LaserBit Communications Corp Pico Manual 5 2 2 Power to the Head This is where the necessary 8 VDC Ground 8 VDC and 30 VDC is connected to the head Use the power cables embedded into the head and connect them to the 4 pin connector The colour codes Brown white 30 VDC Blue white 8 VDC Green white Ground Orange white 8 VDC Warning The wrong polarity of the cables can damage the head 5 2 3 The UTP Connecting Unit This unit is used to connect the data cable coming from the head to the data cables coming from the local network You must use straight connection on your local network side Use the connectors to connect the proper cable Colour codes can be seen in the figure below Cables from LAN PicoTPC P vi Orange white Green white Cable from the head AGC V4 51 24 LaserBit Communications Corp Pico Manual You can measure AGC detector voltage on pin 1 and 4 of the RJ11 connector This connector is used for meuserment and installation purpose only V4 5
7. taken into consideration 4 1 Link path If the clear line of sight is available further examination of the sites and optical path is necessary after possible sources of temporary or periodic malfunction No chimneys steam or other smoke sources may be present under or near to the beam path They can weaken the strength of the signal or can cause wandering of the beam Heater vents and air conditioners have similar effect as they can cause air turbulence Scintillation from rooftops or glass surfaces due to direct sunshine also may interrupt the beam The closer the source to the transmitter the greater it s effect Because both sides have transmitter and receiver the source of such symptoms in the middle has the less effect on the overall system If there are trees near the transmission path consideration of growth and the wind blown leaves into the into the transmission path is necessary Areas under construction can have moving obstacles like construction cranes that can disturb the communication 4 2 Installation sites All buildings and constructions have a certain movement of their own It s determined by the structure and material of the building Metal structures can shift or twist due to temperature changes Wooden construction can expand or shrink with the changing of humidity Give preference to concrete or brick buildings On the other hand high structures like towers skyscrapers or poles always subject to great movement Mount
8. the support frame to basic holders of the building or near corners as they are the most stable spots Use appropriate consoles for wall mounting If a stand is used on the top of a building secure it directly to the ceiling or to the concrete cornice wherever is possible Do not fix stands to insulating materials as they can slowly sink under the weight of the unit and with temperature changes Big chimneys and smokestacks may look stable but as their inner temperature varies they can also move Vibration caused by heavy traffic trains elevators etc may slowly move the system out of its specified direction Another important consideration is to provide enough space for alignment and to have the potential for future maintenance Consider that the support frame is usually heavy so the selected spot should be easily accessible V4 51 15 LaserBit Communications Corp Pico Manual It is not only the building that has to be solid but the support structure too Antenna poles security camera holders are not suitable for the LaserBit units A catalogue of more than 80 mounting frames can be ordered from the manufacturer both available in printed and CD ROM format Please contact with Laser Bit Communications Co tech support for details Preferred installation sites Pay attention to Avoid O Concrete wall Behind window Soft materials Brick wall Old constructs Chimneys Microwave towers Wooden constructs Metal masts or Frames
9. 1 29 LaserBit Communications Corp Pico Manual 5 3 Mounting bracket fixing Fix the mounting bracket with the provided screws This must be very tight to hold the bracket if the provided screw is fixed successfully in that case the console should hold at around 100 kgs Optionally extended bracket can be ordered with the pico systems which are longer and stronger than the standard one For further information please ask your local distributor 5 4 On the table test All Pico units were preset and pretested before shipping Warning Do not look either into the transmitter or the receiver optics because at this distance even the reflected laser beam can be dangerous to your eyes Operating the system on much shorter distance than presumed originally can cause saturation or even permanent damage to the receiver Always use optical attenuators for this kind of test The on the table test is easy to do The units should be placed at about 2 m distance from each other with optical windows facing one another Put an appropriate optical attenuator between the heads Make all the necessary connection as described earlier to connect your device to the heads and power up the units Turn ON the Outdoor Interconnection Units and check if the power LED is ON on the head You should be abte to lign the units without any tool and get full received level on the signal strength LED s Make sure that the Saturation indicator is OFF Adjust your
10. 51 11 LaserBit Communications Corp Pico Manual 2 3 Industrial areas Where you have noisy environment with high EMI or RFI Factory buildings airport objects can be connected through laser link 2 4 ISP connections Where high bandwidth is required ISP s can offer high speed links to their customers or trunks can be established between ISP s instead of expensive leased lines ET Corporate LAN V4 51 12 LaserBit Communications Corp Pico Manual 3 Installation procedures 3 1 System set up overview The set up of a LaserBit link needs careful planning thorough site preparation and accurate installation We have listed the work that is essential for a successful system set up 1 Site survey 2 System design 3 Site preparation 4 System installation 5 Alignment procedure 6 System test We deem necessary to emphasize the importance of site survey It is fundamental to make sure if the laser link is a viable solution at all Most customers usually are not experts in this field so they cannot realize the sources of possible difficulties It is also very important to clarify the position size and outlook of the support frame with the customer in advance 3 2 Key factors of operation There are four key issues that the site survey The proper system operation cannot be guaranteed without satisfying all the four requirements V4 51 a Clear line of sight first of all optical path between the two ends m
11. Contact person O z Q Fax Actual distance m Head 1 serial number Head 2 serial number Device connected to head 2 Status of the device e g link ON Status of the Indoor Unit alarms signal strength Description of the problem LaserBit use only Opened Closed Action V4 51 30 LaserBit Communications Corp Pico Manual 5 Schematic for connecting LAN s Inn I UN Lan 1 DD Server T T IR Transmission Distance max 150 m DIDO Server T T Lan 2 Schematic for Home Networking Computer 2 Computer 1 IRAN V4 51 31 LaserBit Communications Corp 7 Twisted pair cabling Pair 1 US mee Pair 2 Pair 3 gt Pair 4 nn nm LI 1 OVO O 00 EIA TIA 5684 T3 R3 T2 RI TI R2 T4 R4 E o P2 Ci li P2 II es 4 Un de Whee hd une straight V4 51
12. LaserBit Communications Corp Pico Manual L aseri User s Manual V4 51 Laser Bit PICO systems LaserBit Communications Corp 1037 Budapest Kunigunda u 45 HUNGARY Tel 36 1 453 7440 fax 36 1 240 3570 V4 51 LaserBit Communications Corp Pico Manual Table of contents 1 Characteristics 00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 8 1 1 Fear Sn na re naar NA DADAANAN DARA te EN 9 1 2 PATAG ANA AA AA AA 9 2 Optical free space transmission e e e ee eeeeeeeeeeeeee LO 2 1 Areas with natural or artificial obstacles iii 11 2 2 Urban areas sii eee Mt Manet een ee n 11 2 3 EE EE 12 2 4 SP connections ss e less test de ete arte ta 12 3 Installation procedures L3 3 1 2 1 System set up OVELVIEW iii 13 3 2 Key factors of Operation EE 13 a SILC e EE 4 1 Link AA AA 15 4 2 Installation Sites SES SR ne ere ete eS 15 4 3 Distance dO O Ne 16 4 4 IR REN TEE 16 4 5 Eye E AA 17 5 Installation procedure a RR aa 18 5 1 Installation G8 the Maks aen ge O I iaia 18 5 2 The connection of the outdoor box 23 5 3 Mounting bracket x1 8 ssh NADA NANA NAGA NAGANA GANA Da A A ADO nn ne 24 5 4 Onsthe table LES AA AA ESES CSET ESES ESEESE ESES 26 6 Warranty Ne ES 7 Twisted pair cabling 224220 V4 51 2 LaserBit Communications Corp Pico Manual Safety of the LaserBit product Cos The LaserBit is classified as Class 3B l
13. al main voltage is within the range of 100VAC to 240VAC Ensure that no liquids are dropped inside the unit In the case of emergency e g damaged casing elements or cables disconnect the unit immediately Only qualified technicians should repair the device Unauthorized opening will result in warranty being void This manual will show you how to install and use the Laserbit PICO systems V4 51 LaserBit Communications Corp Pico Manual 1 Characteristics Model Number Pico Ethernet Interfaces Ethernet Fast Ethernet Distance in meter 75 150 Electrical amp Optical C haracteristics XMT Power mW max 65 mW Transmitter Laser Diode Wave Length nm 780 to 980 Dynamic range gt 25dB Power Power to Head 110 220 VAC 50W max Environments Operating 25 60 Centigrade normal version Temperature 40 85 Centigrade extended version Storage 40 80 Centigrade normal version Temperature 55 105 Centigrade extended version Humidity Up to 95 non condensed Physical Characterist ic Housing Metal Hardened Aluminium with white reflective paint and Stainless steel Protective Shield Base Weight kg 2 5 Kgs Dimension mm 160X110X350 V4 51 LaserBit Communications Corp Pico Manual 1 1 Features The newly developed Pico used for transmit 100 Mb s data up to 150 meters Easy to
14. aser product The LaserBit System has been tested and found to comply with the EN 60825 1 1994 A11 96 laser safety EN 60950 1 92 A1 93 A2 93 A3 95 A4 97 electrical safety EN 55022 1998 Class 3B emission and EN 55024 1998 and EN 50082 2 1995 immunity European standards The laser radiation is emitted from the transmitter optics through the glass window in the front side of the laser head under less than 10 mrad divergences Depending on the model one two or four of such transmitters may be present inside one head assembly The optical axles of the transmitters are parallel to each other each of them emitting laser radiation towards the same direction onward through the optical window of the head No other aperture through which laser radiation can occur present in the laser head Warning Invisible laser radiation Looking directly into the laser beam can cause permanent damage to the eye Safe looking distance varies with beam power and divergence See attached data sheet for exact figures The LaserBit product should be installed in such a way that nobody can access the optical window or can get in the way of the laser beam accidentally For detailed instructions please read Eye Safety part of chapter 2 3 of the manual Site Survey The LaserBit product provided with all the necessary labels specified by the standards Moreover informative labels should be put on clearly visible places where the laser beam can be accessed T
15. earthquake or lightning improper electrical current or service other than by LaserBit Communications Corp or its authorised partners If the LaserBit product fails to operate as warranted at any time during the warranty period LaserBit Communications Corp will repair or at its option replace the defective product at no additional charge In no event will LaserBit Communications Corp be liable for any damages including loss of data lost profits lost savings lost business or other incidental or consequential or indirect damages arising out of the installation use maintenance performance failure or interruption of the LaserBit product even if LaserBit Communications Corp has been advised of the possibility of such damage If you purchased the LaserBit product in the United States some states do not allow the limitation or exclusion of liability for incidental or consequential damages so the above limitation may not apply to you The purchaser or user shall have the responsibility to give LaserBit Communications Corp prompt written notice of any warranty claims If the product was purchased through an authorised partner of LaserBit Communications Corp notice may be given in writing to that authorised partner in the area in which the product was being used The product may be returned to LaserBit Communications Corp only if it has a Return Material Authorisation RMA number The product must be shipped prepaid insured and i
16. erdiction de regarder le rayon laser Risques graves de l sions pour les yeux La distance de s curit pour la vue est variable et d pend de la puissance du rayon et de sa divergence Consulter la feuille de donn es ci jointe pour calculs exacts L installation de produit LaserBit doit tre faite de sorte que personne ne puisse acc der la fen tre optique ou traverser le rayon laser par accident Pour instructions d taill es lire la partie S curit de Peeil dans le chapitre 2 3 du manuel Site Survey la page 20 Le produit LaserBit poss de la totalit des tiquettes stipul es par les normes De plus des avis informatifs sont plac s des endroits clairement visibles o le rayon laser pourrait tre accessible Une liste des endroits o sont plac s les avis informatifs est donn e dans le chapitre 2 3 du manuel Eye Safety la page 21 Le bo tier de connections int rieure Indoor Interconnection Unit est fournit avec un fil l ctrique certifi par lequel l appareil est connect la prise de courant Gr ce cela il est possible de d brancher n importe quel moment Il est formellement interdit d apporter de quelconques modifications cette installation Si une modification est cependant n cessaire cause des normes locales contacter le fabricant Attention Tout op ration consistant utiliser le produit LaserBit de fa on diff rente que celle indiqu e dans le manuel pourrait engendre
17. he locations of the warning labels are shown in Chapter 2 3 Eye Safety The Indoor Interconnection Unit is assembled with a certified power cord which must be connected to the mains through a power outlet to make the disconnection possible at any time Any modification to the above installation is prohibited If modifications are required by the local standard please contact the manufacturer To ensure the compliance with the EN 60950 safety requirements only the manufacturer or its certified partners should install the system Warning Operating the LaserBit product other than described in this manual can cause undesired laser radiation and can be dangerous to he eye or electrical shock V4 51 3 LaserBit Communications Corp Pico Manual Elektrische Sicherheit des LaserBit Produkts Das LaserBit ist eine Klasse 3B Lasereinrichtung Das LaserBit Produkt wurde gepr ft und entspricht den Anforderungen der Europ ischen Standards EN60825 1 1994 A11 96 Lasereinrichtungen EN60950 1 92 A1 93 A3 95 A4 97 Elektrische Sicherheit EN55022 1998 Klasse 3B EMV St raussendung und EN55024 1998 sowie EN50082 2 1995 EMV St rfestigkeit Der Laserstrahl wird von der Sendeoptik durch die Glasscheibe an der Frontseite des Laserkopf mit einer Divergenz von weniger als 10mrad abgestahlt Abh ngig vom Modell des Laserkopf k nnen sich ein zwei oder vier solcher Sender innerhalb des Laserkopf befinden Die optischen Achsen der einzelnen Sender
18. install and easy to use 1 2 Accessories 2 Pico Units 2 Mounting Brackets 2 Outdoor Interconnection Unit The LaserBit Pico product range offers cost effective reliable free space laser transmission for 100Mbps Ethernet data through free space The transmission technique used in the LaserBit devices provides transparent wire speed data transfer with virtually zero latency because it uses infrared light as a transmission medium LaserBit systems do not require frequency licenses and the transmission is not affected by electro magnetic interference or radio frequency interference The LaserBit Pico link can be considered as a virtual fiber in the air with standard Cat 5 connection at each end Each product is built using highest quality electronic components for operation in even the most adverse conditions Metal housing gives a robust waterproof environment for the electronics with IP65 isolation rating The shield protects the device from direct sunlight and provides extra air isolation Invisible laser radiation Class 3B laser product Looking directly into the laser beam can cause permanent damage to the eye V4 51 9 LaserBit Communications Corp Pico Manual 2 Optical free space transmission The principle used in free space laser transmission is very similar to the one is used for fiber optic transmission The difference is while fiber optic devices use electronics and optics optimised for optical fiber free space co
19. mmunicate through the link Level 1 25 of the total acceptable by the receiver incoming power Level 2 50 of the total acceptable by the receiver incoming power Level 3 75 of the total acceptable by the receiver incoming power Saturation Overload Overloading can cause stop in the communication and permanently it can damage the receiver 7 Ifthe installation distance is shorter than 50 meters in that case realignment is required which can be done with the device on the picture V4 51 LaserBit Communications Corp Pico Manual 7 lrelease the screws 7 2Pull the regulation nut perfectly to the front and fix it with the screws Please note that this operation should be done extra carefully because it can move the transmitter out of the alignment It must be totally on the front V4 51 21 LaserBit Communications Corp Pico Manual Diagram 5 5 The required installation tools screwdriver 10 mm wrench 2 pcs 13 mm wrench for fixing the bracket Punch down tool for the TP cord Please note Fixing of unit to a rigid surface is very important for long term alignment V4 51 22 LaserBit Communications Corp Pico Manual 5 2 The Outdoor interconnection unit The outdoor interconnection unit OIU provides the power supply for the head This unit provides 8VDC GND 8VDC and the 30VDC for the head Ensure that the cables are connected as it seen below The OIU also has a TP connection module that
20. mmunication equipment deploys electronics and optics optimised for transmission through the air Also you can observe the similarity in the transmission properties No galvanic contact no ground loops no need for surge protection noise immunity high bandwidth What makes it unique and difficult to design is that it does not require any transmission medium like fiber or copper but has to cope with the dynamically changing parameters For instance while the attenuation of an optical fiber is constant the aftenuation of the atmosphere between the laser units can change dramatically depending on the weather conditions The LaserBit heads are usually placed on top of buildings where clear line of sight is guaranteed and the beam cannot be interrupted In the head the incoming signal is amplified encoded then drives the laser diode The transmitter optics assures the proper beam shape The receiver optics perceives and directs the transmitted signal to the photodiode The diode converts it back into electrical then it is decoded amplified and converted EN LEE RER EEE There are several things that can influence the quality of transmission We can classify those factors into three main groups System conditions transmitting power transmitters wavelength beam divergence receiver optics diameter receiver sensitivity parameters of optical system and casing The
21. n the original shipping package or similar package for safe shipment The RMA number must be marked on the outside of the shipping package Any product returned without an RMA number shall be rejected V4 51 28 LaserBit Communications Corp Pico Manual Transportation charges for the return of the product will be paid by LaserBit Communications Corp if it is determined by LaserBit Communications Corp that the product was defective within the terms of the warranty otherwise the purchaser or user shall be responsible for costs of return handling and transportation If the LaserBit product does not operate as warranted above the customer s sole remedy shall be repair or replacement The foregoing warranties and remedies are exclusive and are in lieu of all other warranties expressed or implied either in fact or by operation of law statutory or otherwise including warranties of merchantability and fitness for a particular purpose LaserBit Communication Corp neither assumes nor authorises any other person to assume for it any other liability in connection with the sale installation use or maintenance of the product V4 51 29 LaserBit Communications Corp Pico Manual LaserBit Communications Corp it 1037Budapest Kunigunda u 45 paa m GE aser M Tel 36 1 453 7440 fax 36 1 240 3570 E Mail support laserbitcommunications com c o M M U N IC A T I LaserBit Problem Report Form Date of installation Date of purchase
22. r des effets ind sirables du rayon laser tre dangereuse pour la vue et provoquer un choc l ctrique V4 51 5 LaserBit Communications Corp Pico Manual Sicurezza dei prodotti LaserBit LaserBit e classific to di essere un Classe 3B prodotto di lazer Il sistema LaserBit e stato collaudato e trovato conforme con EN 60825 1 1994 A11 96 sicurezza sul prodotti lazer EN 60950 1 92 A1 93 A2 93 A3 95 A4 97 sicurezza eletrica EN 55022 1998 Class B emissione ed EN 55024 1998 ed EN 50082 2 1995 immunit Norme Europee La radiazione lazer viene emissa dalla ottica del trasmettitore via la finestra di vetro posizionata sulla fronte della testa di lazer con una divergenza minore di 10 mrad Secondo il modello si trovano uno due o quatro transmettitori in una testa di lazer Gli assi ottici dei trasmettitori sono paralelli uno con l altro tutti quanti emmittono il raggio di lazer nella stessa direzione via la finestra ottica della testa lazer Non esiste nessun altra appertura attraverso quale radiazione di lazer pu presentarsi Avvertimento Radiazione lazer invisibile Guardando direttamente nel raggio di lazer pu causare danni permanenti degli ochhi La distanza di sicurezza dello sguardo varia secondo la potenza e la divergenza dello raggio di lazer Distanza di sucurezza viene communicato sulla pagina tehnica allegata Prodotti LaserBit devono essere installati in tale maniera che nessuno possa accedere la finestra o
23. se parameters determine the system s characteristic at a certain distance and are controlled by system design and factory set up V4 51 10 LaserBit Communications Corp Pico Manual Weather conditions molecular absorption particle scattering and turbulence These elements have great effect on the operational conditions of the system We do not have very much influence on them proper product selection can eliminate the undesirable effects Environmental conditions building movements direct sunlight refractive surfaces These are also key factors related to the installation sites and can be controlled by appropriate site survey and system installation Most typically the LaserBit Pico is used to interconnect LAN s or computers The system is protocol transparent thus other applications also can be taken into consideration Appropriate interface converters are needed and system bandwidth must be matched for that Here we collected some circumstances where the employment of the LaserBit is the most adequate and cost effective solution Those are 2 1 Areas with natural or artificial obstacles Where cable is actually not an alternative like across rivers or railways or in rugged terrain C7 2 2 Urban areas Where only leased lines are available with limited speed and high rental cost With LaserBit links you can establish on line LAN to LAN connections _ era V4
24. st vorher der Hersteller zu befragen Um die Konformit t bez glich der Elektrischen Sicherheit nach EN60950 sicherzustellen sollte das System nur vom Hersteller oder seinen zertifizierten Partnern installiert werden Warnung Die Inbetriebnahme oder der Betrieb des LaserBit Produkts abweichend von den Vorgaben dieses Handbuchs kann unerw nschte Laserstrahlung verursachen und gef hrlich f r die Augen werden oder einen elektrischen Schock verursachen V4 51 4 LaserBit Communications Corp Pico Manual S curit de produit LaserBit Le produit LaserBit est classifi dans la cat gorie laser 3B Le syst me de LaserBit a t test et correspond aux normes europ ennes EN 60825 1 1994 A11 96 s curit du laser EN 60950 1 92 A1 93 A2 93 A3 95 A4 97 s curit l ctrique EN 55022 1998 Classe 3B mission EN 55024 1998 et EN 50082 2 1995 immunit La radiation laser est mise partir de l metteur optique travers une fen tre en verre plac e la t te du laser et a une divergence de moins de 10 mrad Selon le type de mod le le nombre d metteur plac dans la t te du laser varie entre 1 2 ou 4 L axe optique des metteurs sont parall les et chacun d entre eux mettent la radiation laser dans la m me direction travers la fen tre de la t te du laser Aucune autre ouverture dans la t te ne peut laisser passer de radiation laser Attention La radiation laser est invisible Int
25. ttica o esporsi al raggio di lazer per caso Per informazioni piu detagliati vedi la parte Sicurezza Ochhi del capitolo 2 3 nel manuale sulla pagina 20 I prodotti LaserBit veranno forniti con tutte segnalazioni previste nelle norme In addizione segnalazioni informative devono essere posizionate nel posti ben visibili dove il raggio di lazer pu essere accesso Le locazioni delle segnalazioni di sicurezze sono demostrati sulla pagina 21 del manuale Capitolo 2 3 Sicurezza Ochhi La Unit Interconnezione Interna viene fornita con un cavo di allimentazione certificato quale deve essere collegato con la rete di potenza tramitte una presa per assicurare la separabilita in qualsiasi momento Qualunque modifica sul questo impianto e proibito Se modifiche si devono eseguire per rispettare la norma locale si priega di contattare il produttore Per garantire la conformit con la norma EN 60950 il sistame deve essere installato dal produttore o dai partner certificati Attenzione Qualsiasi operazione di LaserBit diversa di quello descritto in questo manuale pu causare non desiderata radiazione lazer e pu essere pericoloso per gli ochhi o causare scossa electrica V4 51 6 LaserBit Communications Corp Pico Manual Safety 3B Class Laser device This unit complies with the relevant safety regulations If you have questions please contact Laser Bit Communications Co tech support Fragile handle with care Ensure that the loc
26. ust be free of any obstacles It not only means that one has to see the other side but other possible sources of disturbance should also be taken into consideration For example there might be turbulence above the roofs and other constructions and this can cause fraction or scattering of the beam or snow accumulation on roofs too close to the beam can influence or even interrupt the communication b Solid mount surface is the key for long term operation Since the diameter of the beam is limited it is extremely important to mount the unit on a stable structure with the possible smallest movement This way the receiver of the remote unit cannot get out of the beam due to the movement of the opposite head 13 LaserBit Communications Corp Pico Manual V4 51 d East West orientation although the receiver optics is equipped with optical filters to protect the receiver diode from the effect of undesired light sources the direct sunshine can cause saturation of the diode This prevents the system from working properly for several minutes a day in a certain time of the year There are some methods to reduce the effect of the sun but the best way is to avoid the East West orientation wherever it is possible 14 LaserBit Communications Corp Pico Manual 4 Site survey In order to comply with the requirements of the successful installation including the discussed four key factors and other criteria the following matters should be
27. verlaufen parallel zueinander wobei jeder Sender in die gleiche Richtung stahlt in Richtung der Optik des Laserkopf Es sind keine weiteren Blenden vorhanden durch die Laserstrahlen auftreten k nnen Warnung Unsichtbare Laserstrahlen Nicht direkt in den Lasertrahl schauen da dies die Augen permanent sch digen kann Der Sicherheitsabstand variiert mit der Laserleistung und Divergenz des Laserstrahl Details hierzu sind im Datenblatt nachzulesen Das LaserBit Produkt mu so installiert werden da niemand Zutritt zu der Optik des Laserkopf hat oder zuf llig in den Bereich des Laserstrahl kommen kann Kapitel 2 3 auf des Handbuchs enth lt ausf hrliche Anweisungen zum Schutz der Augen Das LaserBit Produkt ist mit allen notwendigen Warnhinweisen versehen die durch die Standards vorgebenen werden Weitergehende Hinweise sollten an gut sichtbaren Stellen angebracht werden wo man sich dem Laserkopf gefahrlos n hern kann Die Positionen der Warnhinweise sind auf Kapitel 2 3 Schutz der Augen Die Indoor Interconnection Unit die mit einem zertifzierten Netzkabel ausgeliefert wird mu mit der Stromversorgung verbunden werden indem der Netzstecker in eine geeignete Netzsteckdose gesteckt wird womit die Lasereinrichtung auch jederzeit wieder vom Netz getrennt werden kann Jegliche Modifikationen an der Installation sind verboten Falls aufgrund nationaler Vorschriften denoch nderungen an der Installation vorgenommen werden m ssen i
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