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LaserBit LB Series User Manual

Laser based free space optical communication system
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1500&2500&5000
Users' Manual 4.3

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  • Page 1 1500&2500&5000 Users’ Manual 4.3...
  • Page 2 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 chapter 5.3.5 Eye Safety on page 20.
  • Page 3 Sicherheitsabstand variiert mit der Laserleistung und Divergenz des Laserstrahl. Details hierzu sind im Datenblatt nachzulesen. Das Laserbit Produkt muß so installiert werden, daß niemand Zutritt zu der Optik des Laserkopf hat oder zufällig in den Bereich des Laserstrahl kommen kann.
  • Page 4 Consulter la feuille de données ci-jointe pour calculs exacts. L’installation de produit Laserbit doit être faite de sorte que personne ne puisse accéder à la fenêtre optique ou traverser le rayon laser par accident. Pour instructions détaillées, lire la partie Sécurité...
  • Page 5 Per informazioni piu detagliati vedi la parte Sicurezza Ochhi del capitolo 5.3.5 nel manuale sulla pagina 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 puó...

  • Page 6: Table Of Contents

    Interface matrix ....................21 Power supply configuration ................. 21 Content of the package ....................22 Contents of a Laserbit LB-1500 link ..............22 Contents of a Laserbit LB-2500 link ..............23 Contents of a Laserbit LB-5000 link ..............23 Sites of installation......................24 Key factors of operation ..................
  • Page 7 LaserBit LB Series 4.3 page 7 System installation ..................... 30 10.1 On the table test ....................30 10.2 LB-1500 systems....................31 10.2.1 What is LB-1500 about? ................. 31 10.2.2 How can you install the ODIU?..............31 10.2.3 Fixing the heads ....................33 10.2.4...

  • Page 8: Introduction

    LaserBit LB Series 4.3 page 8 2 Introduction 2.1 What is FSO? is free space optics provides point-point broadband communications using Laser Light as the transmission medium. is a state of art data communication method which is based on a very old communication solution.
  • Page 9 LaserBit LB Series 4.3 page 9 Laserbit Communications To meet the demands for every higher bandwidth, continues to invest heavily in research and development with the newest product line which offers Gigabit speeds being launched. Laserbit This manual describes the series of free space laser transmission system.

  • Page 10: Optical Free-Space Transmission

    LaserBit LB Series 4.3 page 10 2.2 Optical Free-space Transmission The principle used in free space laser transmission is very similar to the one is used for fibre optic transmission. The difference is while fibre optic devices use electronics and optics optimized for transmission to the air. Also one can observe to the similarity in the transmission properties.

  • Page 11: Typical Applications

    Where cable is actually not an alternative, like across rivers or railways or in rugged terrain. 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. Industrial areas Where you have noisy environment with high EMI or RFI.

  • Page 12: About Laserbit

    Greece, Portugal, Switzerland, Spain, the Benelux-States, Turkish, Poland, Austria, Brazil, Russia, and Singapore. In the other hand the expansion of markets and partners in the Laserbit is keep going today which are helped with trainings, meetings and other programs and a fine support community.

  • Page 13: Laserbit Lb2500 Series

    LaserBit LB Series 4.3 page 13 Aperture Control Mechanism delivers outstanding system availability figures. The transparent and wire speed data transfer together with virtually zero latency assures the easy integration of the system in all environments. Furthermore, LB-1500 series systems can be ordered with IP based SNMP compatible device management that allows remote control and monitoring of the equipment.

  • Page 14: Laserbit Lb5000 Series

    LaserBit LB Series 4.3 page 14 system allows custom configuration of the system for specific installations. The patented Aperture Control Mechanism delivers outstanding system availability figures. The transparent and wire speed data transfer together with virtually zero latency assures the easy integration of the system in all environments. Furthermore, LB-2500 series systems can be ordered with IP based SNMP compatible device management that allows remote control and monitoring of the equipment.
  • Page 15 LaserBit LB Series 4.3 page 15 troubleshoot and upgrade on the field. Adjustable transmitter optical system allows custom configuration of the system for specific installations. The patented Aperture Control Mechanism delivers outstanding system availability figures. The transparent and wire speed data transfer together with virtually zero latency assures the easy LB-5000 integration of the system in all environments.

  • Page 16: Product Grouping By Interface Type

    LaserBit LB Series 4.3 page 16 4 Product grouping by interface type 4.1 100Mbps TP interface Laserbit series products are designed to provide easy-to-use and cost- effective solution for interconnecting Local Area Networks. By utilizing standard Category 5 cable and using standard 100BaseTX interface the deployment of the system is easier than ever.

  • Page 17: 100Mbps Fast-Ethernet Systems With Tc Interface

    LaserBit LB Series 4.3 page 17 4.2 100Mbps Fast-Ethernet systems with TC interface LB-TC100 systems are for connecting LAN’s on 100Mbps with 100BaseFX connection. Maximum installation distance between the head and the network equipment is 1000meters with MM fibres, and 5000meters with SM fibres.

  • Page 18: E1 Interface Systems

    LaserBit LB Series 4.3 page 18 4.3 E1 interface systems The E1 systems cover the low speed telephony requirements such as connecting Telephone exchanges, up to 30 individual lines. As a part of the system you will receive E1 multiplexers. These multiplexers provide fast and easy connection to the laser device.

  • Page 19: E2 Interface Systems

    LaserBit LB Series 4.3 page 19 4.4 E2 interface systems E2 systems provide fast and easy connection for larger phone exchange system on the speed of 8,192Mbps. This allows 120 separated phone lines to be connected over the link. Multiplexers are provided to the link. These multiplexers connect via...

  • Page 20: E3 Interface Systems

    LaserBit LB Series 4.3 page 20 4.5 E3 Interface systems Laserbit E3 systems provides connection for large data speed, 34Mbps. perfectly fits for connecting BSCs. Multiplexers are also available for this product. Providing 16 times G703 balanced or unbalanced connection.

  • Page 21: Stm 1 Systems

    LaserBit LB Series 4.3 page 21 4.6 STM 1 systems STM-1 systems provides connection over the link at the speed of 155Mbps with MM fibre SX interface with SC connectors (SM LX optional). The maximum installation distance between the head and the network equipment is 1000 meters in the case of MM fibre, and 5000 meters in the case of SM fibre.

  • Page 22: Content Of The Package

    Laserbit does not provide power cable for the connection of the main and the outdoor box. For the detailed information please see the chapters below: 6.1 Contents of a Laserbit LB-1500 link • 2ps of LB-1500 heads • 2ps of...

  • Page 23: Contents Of A Laserbit Lb-2500 Link

    LaserBit LB Series 4.3 page 23 6.2 Contents of a Laserbit LB-2500 link • 2ps of LB-2500 heads • 2ps of LB ODIU s (Outdoor Interconnection Unit) /the two grey plastic boxes/ • ODIU accessories: o 2ps of 276x110x1,5 metal plates...

  • Page 24: Sites Of Installation

    LaserBit LB Series 4.3 page 24 o 2x4ps of M4,5x70 cross headed self-tapping-screws • a manual CD • 2ps of Alignment Base Units /a heavy, podgy, hub cap form metal appliances/ • 2x2ps of spacers • ABU accessories /a plastic bag attached to t...

  • Page 25: Preferred Installation Sites

    LaserBit LB Series 4.3 page 25 7.2 Preferred 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 any changes in humidity.

  • Page 26: Distance Measurement

    7.3 Distance measurement Because the units were designed, and calibrated for certain distance operations the higher distance will decrease the availability. Laserbit pre-calibrates and pre-tests every unit shipped to the customer. To ensure that the unit you are about to buy fits to the needs, the first step is to measure the distance.
  • Page 27 EN 55022:1998+Corr:2001+A1:2000 and EN 55024:1998 Dismounting the cover can cause fatal injury! Manufactured by: LaserBit Communications Corp., 1037Budapest, Kunigunda u 45, HUNGARY, Tel.:+36-1-453-7440 Fax.:+36-1-240-3570 Manufactured by :LaserBit Communications Corp., 1037 Budapest, Kunigunda u 45, www.laserbit.net HUNGARY, Tel.: +36-1-453-7440, Fax: +36-1-240-3570 www.laserbit.net...

  • Page 28: The Mounting Bracket

    There are no two installation sites from the same kind. Sometimes individual design is required, Laserbit provides wide range of Brackets can be found on this CD, feel free to modify or manufacture them, however the sale of the bracket drawings is strictly restricted.
  • Page 29 LaserBit LB Series 4.3 page 29 For the sample we have used a very simple example. The surface is concrete and the fixing material was Hilti HVU and the screw was Hilti HAS system. The steps are as follows: Push the holder frame against the wall on the desired place...

  • Page 30: System Installation

    LaserBit LB Series 4.3 page 30 10 System installation 10.1 On the table test 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.

  • Page 31: Lb-1500 Systems

    LaserBit LB Series 4.3 page 31 10.2 LB-1500 systems 10.2.1 What is LB-1500 about? LB-1500 Laserbit series products from are laser based free space optical systems designed to provide flexible, reliable and secure solution for high speed wireless connections up to 1500 m. Due to their modular design the equipments are easy and fast to troubleshoot and upgrade on the field.
  • Page 32 LaserBit LB Series 4.3 page 32 In the ODIU there can be found four fuses, two for the transformer and the other two for the head. Fuses On the primarily side, the fuse ratings are: T0.8 (250V) - in the case of glassheater the fuses are T1,6A (250V)

  • Page 33: Fixing The Heads

    LaserBit LB Series 4.3 page 33 • Put the four M4,5x70 cross headed self-tapping-screws through the four free holes of the metal plate • Pull up the four 6x15 spacers (the shorter ones) to the screws • Tight the screws into the wall-...

  • Page 34: Alignment Of The Heads

    LaserBit LB Series 4.3 page 34 10.2.4 Alignment of the heads Steps of the head fixation • Target Side B with the crosshair built in to the head on Side A! • Screw the two nuts up tight on both heads,...
  • Page 35 LaserBit LB Series 4.3 page 35 Meanings of the LEDs Power: The head is powered up. RX OK: There is enough light to start communicate through the link. Level LEDs: The function of these10 green LEDs is to give visual...
  • Page 36 LaserBit LB Series 4.3 page 36 Receiver Alignment • After a few seconds unplug the plugs of the motor controllers on both sides! The motor control is a “light-buffer” this saves the power for the bad weather and in the same time protects the receiver against overload. During the alignment it can be used manually, to avoid the saturation, and keep the detector voltage on the level where it can be still monitored.
  • Page 37 LaserBit LB Series 4.3 page 37 Beam Alignment • Switch off all of the transmitters on both sides. • Switch on one of your transmitters on one side. • Move the beam to the middle of the remote head. You can move the beam with the screws on the back of the transmitters.
  • Page 38 LaserBit LB Series 4.3 page 38 Set the beam size You can set the beam sizes of each transmitter separately. So do not switch on more than one transmitter in the same time! You can set the beam size turning the focusing tube.

  • Page 39: Connecting To Your Network

    LaserBit LB Series 4.3 page 39 10.2.5 Connecting to your Network If you have a TP head You can find a TP connector unit in your ODIU, with there connectors. You have to plug in the TP cable of your head into RJ45 connector.

  • Page 40: Connecting To The Management

    LaserBit LB Series 4.3 page 40 10.2.6 Connecting to the management If you have a TP head Using the RJ11 Sevice Connector you can connect your management indoor unit to the head, and you can measure the detector voltage of the receiver of the head as well.

  • Page 41: Lb-2500 Systems

    LaserBit LB Series 4.3 page 41 10.3 LB-2500 systems 10.3.1 What is LB-2500 about? LB-2500 Laserbit series products from are laser based free space optical systems designed to provide flexible, reliable and secure solution for high speed wireless connections up to 2500 m. Due to their modular design the equipments are easy and fast to troubleshoot and upgrade on the field.
  • Page 42 LaserBit LB Series 4.3 page 42 In the ODIU there can be found four fuses, two for the transformer and the other two for the head. Fuses On the primarily side, the fuse ratings are: T0.8 (250V) - in the case of glassheater the fuses are T1,6A (250V)

  • Page 43: Fixing The Heads

    LaserBit LB Series 4.3 page 43 • Put the four M4,5x70 cross headed self-tapping-screws through the four free holes of the metal plate • Pull up the four 6x15 spacers (the shorter ones) to the screws • Tight the screws into the wall-...

  • Page 44: Alignment Of The Heads

    LaserBit LB Series 4.3 page 44 10.3.4 Alignment of the heads Steps of the head fixation • Target Side B with the crosshair built in to the head on Side A! • Screw the two nuts up tight on both heads,...
  • Page 45 LaserBit LB Series 4.3 page 45 Meanings of the LEDs Power: The head is powered up. RX OK: There is enough light to start communicate through the link. Level LEDs: The function of these10 green LEDs is to give visual...
  • Page 46 LaserBit LB Series 4.3 page 46 Receiver Alignment • After a few seconds unplug the plugs of the motor controllers on both sides! The motor control is a “light-buffer” this saves the power for the bad weather and in the same time protects the receiver against overload. During the alignment it can be used manually, to avoid the saturation, and keep the detector voltage on the level where it can be still monitored.
  • Page 47 LaserBit LB Series 4.3 page 47 Beam Alignment • Switch off all of the transmitters on both sides. • Switch on one of your transmitters on one side. • Move the beam to the middle of the remote head. You can move the beam with the screws on the back of the transmitters. The directions of beam moving in the function of the turning direction of the screws can be seen on the figure.
  • Page 48 LaserBit LB Series 4.3 page 48 Set the beam size You can set the beam sizes of each transmitter separately. So do not switch on more than one transmitter in the same time! You can set the beam size turning the focusing tube.

  • Page 49: Connecting To Your Network

    LaserBit LB Series 4.3 page 49 10.3.5 Connecting to your Network If you have a TP head You can find a TP connector unit in your ODIU, with there connectors. You have to plug in the TP cable of your head into RJ45 connector.

  • Page 50: Connecting To The Management

    LaserBit LB Series 4.3 page 50 10.3.6 Connecting to the management If you have a TP head Using the RJ11 Sevice Connector you can connect your management indoor unit to the head, and you can measure the detector voltage of the receiver of the head as well.

  • Page 51: Lb-5000 Systems

    LaserBit LB Series 4.3 page 51 10.4 LB-5000 systems 10.4.1 What is LB-5000 about? LB-5000 Laserbit series products from are laser based free space optical systems designed to provide flexible, reliable and secure solution for high speed wireless connections up to 5000m. Due to their modular design the equipments are easy and fast to troubleshoot and upgrade on the field.
  • Page 52 LaserBit LB Series 4.3 page 52 In the ODIU there can be found four fuses, two for the transformer and the other two for the head. Fuses On the primarily side, the fuse ratings are: T1,6A (250V) - in the case of glassheater the fuses are T1,6A (250V)

  • Page 53: Fixing The Heads

    LaserBit LB Series 4.3 page 53 • Put the four M4,5x70 cross headed self-tapping-screws through the four free holes of the metal plate • Pull up the four 6x15 spacers (the shorter ones) to the screws • Tight the screws into the wall-...

  • Page 54: Alignment Of The Heads

    LaserBit LB Series 4.3 page 54 10.4.4 Alignment of the heads Steps of the head fixation • Target Side B with the crosshair built in to the head on Side A! • Screw the two nuts up tight on both heads,...
  • Page 55 LaserBit LB Series 4.3 page 55 Meanings of the LEDs Power: The head is powered up. RX OK: There is enough light to start communicate through the link. Level LEDs: The function of these10 green LEDs is to give visual...
  • Page 56 LaserBit LB Series 4.3 page 56 Receiver Alignment • After a few seconds unplug the plugs of the motor controllers on both sides! The motor control is a “light-buffer” this saves the power for the bad weather and in the same time protects the receiver against overload. During the alignment it can be used manually, to avoid the saturation, and keep the detector voltage on the level where it can be still monitored.
  • Page 57 LaserBit LB Series 4.3 page 57 Beam Alignment • Switch off all of the transmitters on both sides. • Switch on one of your transmitters on one side. • Move the beam to the middle of the remote head. You can move the beam with the screws on the back of the transmitters. The directions of beam moving in the function of the turning direction of the screws can be seen on the figure.
  • Page 58 LaserBit LB Series 4.3 page 58 Set the beam size You can set the beam sizes of each transmitter separately. So do not switch on more than one transmitter in the same time! You can set the beam size turning the focusing tube.

  • Page 59: Connecting To Your Network

    LaserBit LB Series 4.3 page 59 End of the alignment • Switch on all of the transmitters! • Plug the motor controller cable back to the slot! • Close up the covers of the heads! 10.4.5 Connecting to your Network...

  • Page 60: Connecting To The Management

    LaserBit LB Series 4.3 page 60 network. The SC-SC connector is a reversible part, so you can connect in the first plug where you want, the important is that the two plugs of the head have to be on one side, and the two plugs of the network have to be on the other, and if you plug in...

  • Page 61: Outdoor Interconnection Unit With Heater

    LaserBit LB Series 4.3 page 61 10.5 Outdoor interconnection unit with Heater As an optional glass heater can be ordered for the link, the idea is the same what is used for the cars back window heater. This automated heater turns on and removes the ice from the front window only below 5 ºC(±2ºC).

  • Page 62: Vdc Power Supply Connections

    LaserBit LB Series 4.3 page 62 10.6 48 VDC Power supply connections In fact the 48VDC power supply is optional, the connection is almost the same. In the case of the 48VDC power supply it is important to pay attention to the polarities.

  • Page 63: Warranty Conditions

    LaserBit LB Series 4.3 page 63 Warranty conditions Laserbit Communications Corp. Laserbit warrants that the 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.
  • Page 64 LaserBit LB Series 4.3 page 64 purchaser or user shall be responsible for costs of return handling and transportation. Laserbit If the product does not operate as warranted above, the customer’s sole remedy shall be repair or replacement. The foregoing warranties and remedies are...

  • Page 65: Product Registration Form

    LaserBit LB Series 4.3 page 65 11 Appendix A a. Product registration form Please take your time to fill out Laserbit product registration form to ensure your warranty period begins, otherwise Laserbit consider warranty beginning from the date of shipment from...

  • Page 66: Failure Report Form

    LaserBit LB Series 4.3 page 66 b. Failure report form In case of failures please report it to us, and fill out the failure report form forward to your distributor!

  • Page 67: Lb-1500 Data Sheet

    LaserBit LB Series 4.3 page 67 11.1 LB-1500 Data Sheet Light source Laser Diode Laser diode power (mW) 2 x 70 mW Detector APD Photodiode Dynamic range >40 dB Bandwidth 1 — 155 Mbps depending on model < 10 System latency <...

  • Page 68: Lb-2500 Data Sheet

    LaserBit LB Series 4.3 page 68 11.2 LB-2500 Data Sheet Light source Laser Diode Laser diode power (mW) 2 x 70 mW Detector APD Photodiode Dynamic range >40 dB Bandwidth 1 — 155 Mbps depending on model < 10 System latency <...

  • Page 69: Lb-5000 Data Sheet

    LaserBit LB Series 4.3 page 69 11.3 LB-5000 Data Sheet Light source Laser Diode Laser diode power (mW) 2 x 70 mW Detector APD Photodiode Dynamic range >40 dB Bandwidth 1 — 155 Mbps depending on model < 10 System latency <...

This manual is also suitable for:

Lb-1500Lb-2500Lb-5000

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