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505-016300-00000 Rev A

4-1

Troubleshooting and Diagnostics

This chapter covers the following main topics

Failure types

Troubleshooting methods

Technical support information

RMA procedures

The link heads can be thought of as nothing more than fiber optic

cable through the air. No processing of data occurs within the link
heads. The linkheads do not frame, buffer or in any way rob payload

data. If the link heads are aligned and data is moving between them
(i.e. Test Mode), the problem is usually outside the system.

The first step in troubleshooting is usually to go to the roof and
confirm that the linkheads are both receiving adequate power over the
Free Space link. Many times the linkheads will be blocked, misaligned,

unplugged or have other simple problems. Go to the roof.

4.1.

Failure Types

Three different kinds of failures can affect system performance:

Failures caused by attached network components

Failures caused by the environment

LightPointe system failures

Caution:

If a failure is found in the power supply unit, please
remember that only authorized technical personnel

may conduct checks of the emergency OFF switch
and fuse. In all cases, the system must be

disconnected from the AC or DC power supply in
advance.

Содержание FlightLite 100

Страница 1: ...505 016300 00000 Rev A 2004 07 FlightTransport Systems FlightLite 100 100E Installation and Maintenance ...

Страница 2: ...GHT LIGHTPOINTE FURTHER DOES NOT WARRANT THE ACCURACY OR COMPLETENESS OF THE INFORMATION TEXT GRAPHICS OR OTHER ITEMS CONTAINED WITHIN THESE MATERIALS LIGHTPOINTE SHALL NOT BE LIABLE FOR ANY SPECIAL INDIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING WITHOUT LIMITATION LOST REVENUES OR LOST PROFITS WHICH MAY RESULT FROM THE USE OF THESE MATERIALS LightPointe products are not intended for use in...

Страница 3: ...talling the linkheads 2 11 2 5 The installation process 2 12 2 6 Assemble and Mount the System Hardware 2 12 2 7 Install the Power Over Ethernet Injector 2 16 2 8 Assemble and Mount the Local Power Supply 2 17 2 9 Link Head Alignment 2 24 2 10 Network Connections 2 26 3 MAINTENANCE 3 1 3 1 Scheduled Maintenance 3 1 4 TROUBLESHOOTING AND DIAGNOSTICS 4 1 4 1 Failure Types 4 1 4 2 Additional Troubles...

Страница 4: ...Vertical Power Supply Mounting 2 17 Figure 2 10 Horizontal Power Supply Mounting 2 17 Figure 2 11 Wall Power Supply Mounting 2 18 Figure 2 12 Front of Link Head showing operational features 2 24 Figure 2 13 Link Head Back Panel Key and labeling scheme 2 28 Figure 4 1 Normal Back Panel Display 4 3 Figure 4 2 Ping Test Setup 4 4 List of Tables Table 1 1 FlightLite 100 100E Operating Parameters 1 3 T...

Страница 5: ...tentially lethal voltages Note There are no serviceable parts within the units and the link heads should not be opened in the field Observe Standard Precautions All persons having access to this equipment must observe all standard precautions as defined in applicable national statutory health and safety legislation Qualified Personnel There are hazardous circuits within this product Qualified pers...

Страница 6: ...product was purchased directly from us or from one of our authorized resellers Please visit http www lightpointe com for specifics on our Warranty and Warranty Registration forms Contacting LightPointe Corporate Office 10140 Barnes Canyon Road Suite B San Diego CA 92121 P 858 834 4083 F 858 430 3458 Technical Support Phone 858 863 0198 Website www lightpointe com Email techsupport lightpointe com ...

Страница 7: ...bleshooting procedures Section Contents 1 System Overview System functional and physical overview 2 System Installation and Alignment Detailed step by step installation and alignment procedures 3 Maintenance Minimal activities to maintain the system 4 Troubleshooting and Diagnostics Resolving operational problems 5 Specifications Physical and electrical specifications 6 Index Keyword index Additio...

Страница 8: ...vi 505 016300 00000 Rev A ...

Страница 9: ...ocations hopping points and operate in high and ultra high bandwidths Figure 1 1 Typical FL 100 100E Installation and Connections The link head on the transmission side transmits a narrow infrared light beam carrying the data received from the network interface The link head on the opposite side receives the beam filters the optical signal and places it on the network interface on the opposite end...

Страница 10: ...itter and a single receiver for bidirectional full data rate transmission through space The system operates as a piece of fiber through the air Transmitter Components The linkhead receives electrical 10 100t data traffic from the network The electrical signal is used to modulate a high power laser source that transmits an infrared beam into free space Receiver Components The receive amplifier conv...

Страница 11: ... 600 1300 Protocol 802 3 10h 10f or 100h 100f Beam Divergence 5 mrad Transmit Power 15 mW 11 8 dBm Receiver Sensitivity 40 dBm Temperature Range 35º C to 65º C FlightLite 100E Operating Parameters Bit rate 10 or 100 Mbps 20 dB 15 dB 5 dB Calculated distances in meters at LightPointe recommended Fade Margins 800 1000 1600 Protocol 802 3 10h 10f or 100h 100f Beam Divergence 5 mrad Transmit Power 15 ...

Страница 12: ...tLite 100 features Front protective window with heater lens defroster Internal telescope for coarse alignment of the system Receive amplifier with avalanche photo diode APD Transmitter amplifier with Vertical Cavity Surface Emitting Laser VCSEL Standard Power over Ethernet power inserter supply Optional local Power supply with external connectors Back panel with system status display and optical l...

Страница 13: ...instruments to view the laser beam When using the built in telescope you must be aware of the appropriate safety distance refer to Table 1 2 For distances below the safety distance the operator must wear appropriate eye protective laser safety glasses These distances assume an exposure of more than ten seconds Table 1 2 Safe Distances for Telescope Operation Link head Naked Eye safety distance Tel...

Страница 14: ...ineering control measure but that is accessible to authorized personnel e g maintenance or service personnel including window cleaners in exterior locations that may not have laser safety training There are no special requirements for a LightPointe Communications FSO system installed in a restricted area Controlled locations are those locations where any kind of engineering or administrative contr...

Страница 15: ...allation Link head alignment 2 1 Major System Components 2 1 1 Universal Mounting Kit The universal mount is used for pedestal or wall mounting of the link head in external environments The mounting must be ordered with the Medium Pan and Tilt assembly as described in the next section Base Plate Head Plate Mounting Post Figure 2 1 LightPointe Universal Mounting Kit Linkhead Pan Tilt Assymbly Head ...

Страница 16: ...ribed above Figure 2 2 Medium Pan and Tilt assembly 2 1 3 Optional Indoor FlightLite Wall Mount Arm The FlightLite mounting arm may be used for wall mounts in an indoor or protected location The arm mount is not fully rated for longer term or extended exposure to the outdoor environment The Pan and Tilt Assembly is not required for the Indoor Wall Mounting Arm assembly Figure 2 3 Indoor FlightLite...

Страница 17: ...C power supply UPS or battery plant power the linkhead from the input pins on the rear panel using the connector supplied with the linkhead The most straightforward way to power the linkhead is with the Power Over Ethernet power inserter This eliminates the need for AC power run to the mounting location of the linkhead often on the roof of the building Figure 2 4 FL 100 Powering Options Router Mux...

Страница 18: ...he Injector is plugged into commercial AC The Injector places power over up to 100 meters of Cat 5 6 Unshielded Twisted Pair wiring to power the linkhead from the powered RJ Port 2 1 6 Local AC Power Supply at linkhead A weatherproof outdoor local power supply may be provisioned at the linkhead mounting location in place of the POE injector INPUT OUTPUT Indicator Lamps for Input and Output Voltage...

Страница 19: ... and Pan and Tilt Assemblies The link head assembly consists of A waterproof linkhead rear cover A 10 100 copper interface for data connections and power An optional connector for local alarms and powering Optics Laser Transmit and Receive assembly An alignment telescope User Interface back panel with a full set of local diagnostics and status indicators The linkhead is the smallest replaceable co...

Страница 20: ... Tape measure to determine approximate short distance fiber power runs etc Camera digital recommended to photograph installation sites to reduce need for return visits to sites optional Installations Standard electro mechanical tool kit with pliers screwdrivers wire cutters wire strippers etc Two way radio or cell phones to communicate when aligning link heads Plastic tie wraps to secure flexible ...

Страница 21: ...GPS Confirm that the distances are within the recommended operating guidelines in table 1 1 If the physical distance of the link heads is longer than the maximum transmission distances the system will not perform well in poor visibility conditions Step 2 Ensure true free line of sight Confirm that signs buildings trees or other obstacles in the line of sight cannot interrupt the connection Determi...

Страница 22: ... locations for access Easy access to link heads Stable location platform for mounting Safety considerations for installers and maintainers of the system in windy snowy or cold conditions Step 6 Evaluate mounting locations for reliability Near roof edge to avoid interruptions of transmission Near roof edge to minimize heat shimmer effects Weather protected location if possible Step 7 Consider the m...

Страница 23: ... stability Only place the mount on solid and structurally sound material Tighten all bolts hand tight with the hex allen wrench provided Tighten all anchor bolts using appropriate wrenches and tools MOUNT LINKHEAD HERE Universal Mount used horizontally You may also use the Universal Mount in horizontal installations Be sure that the base plate is mounted into a wall surface using penetrating ancho...

Страница 24: ...he window glass Indoor Floor Mount Use this mount in a laboratory or office environment or when a stable indoor mount is needed Bolt the mount to the floor for permanent installations The Universal Mount with two Caps and without a Base is required to complete the installations Indoor Wall Mount Arm Use this mount when the linkhead is mounted indoors or in a protected outdoor location free from wi...

Страница 25: ...jector no AC power is required at the linkhead location Ensure that the power receptacle is weatherproof and near the linkhead location Employ a professional electrician to be certain that all local Electrical codes are being met Also be aware of local building code requirement The systems use low power lasers and are completely safe for the human eye There are no Laser Safety considerations with ...

Страница 26: ... a solid platform using 12 mm 1 2 screws Anchor the mount in wall or concrete recommend M12 screws Use bolts of hardness class not less than 6 6 To ensure stability keep the mounting post as short as possible The maximum allowable mounting pole lengths are 110 cm Power Supply mounts on pole Stable mounting surface Step 2 Attach and fasten the mounting post assembly to the base plate using the supp...

Страница 27: ...FlightTransport Installation Guide 505 003686 00000 Rev A 2 13 Figure 2 8 Completed Mounting assembly ...

Страница 28: ...m hole through the cylinder wall of the base plate and the mounting post and pin the assemblies together using 8 mm grooved pins or 3 8 x 1 inch screws Drill an 8 mm hole through the cylinder wall of the head plate and the mounting post and pin the assemblies together using 8 mm grooved compression fit pins or 3 8 x 1 inch stainless steel screws Position the pins at the opposite side of the cap an...

Страница 29: ...ion the linkhead and mount the linkhead to the integrated Pan and Tilt assembly which is included in the Mount Arm Tighten all bolts hand tight using the 6mm allen wrench supplied with the units Position the linkhead in a place that is secure and safe Do not place the linkhead in an area that will draw attention to it Be careful to use the proper anchor bolts and fasteners for the mounting surface...

Страница 30: ...Step 1 Connect the DC power adaptor to the injector and plug the adaptor into the commercial AC wall socket POE Injector components and interconnections Step 2 Connect the Injector s built in RJ 45 Cat 5 Ethernet cable to your network Step 3 Connect the RJ 45 Cat 5 Ethernet cable from the Linkhead to the POWER AND DATA OUT RJ 45 jack on the injector Router Mux Switch POE Power Inserter Indoor Cate...

Страница 31: ...2 9 Vertical Power Supply Mounting If the power supply will be mounted with the pole in a horizontal position turn the back plate by removing the four sets of nuts rotating the plate and then re securing the back plate Figure 2 10 Horizontal Power Supply Mounting If the power supply is to be mounted to a surface other than the standard LightPointe pole the power supply may be secured using the two...

Страница 32: ...ires Hot Neutral and Ground that must be properly terminated junction box electrical plug etc for connection to an electrical power source LightPointe recommends that the power cord be hard wired into a dedicated circuit Once the power cord is properly connected to an electrical source the power cord connector should be secured to the AC Input connector on the power supply Warning Ensure that the ...

Страница 33: ...ctive cap turn the selector switch to the vertical position and replace the protective cover Caution Ensure that the correct power input voltage is selected BEFORE applying power to the power supply Do not set the power supply to 115 VAC and then apply 230 VAC this will damage the power supply If the power supply is set to 230 VAC and then connected to 115 VAC the output from the power supply will...

Страница 34: ... cord through the connector and connect the wires of the power cable to the correct pins of the terminal connector as indicated on the connector and in the following picture The power cord cable outer sheath diameter must be between 5 and 10 25 mm 19 to 38 inches in diameter and the individual wire connections at the connector plug must be between 75 mm2 and 3 31 mm2 18 AWG to 12 AWG Once the wire...

Страница 35: ...gh the entrance Terminate the power cord conductors into the power input connector using the screw lug connectors Insert the power connector into the two power input pin connectors on the back of the linkhead Terminate Power Cord conductors on the supplied power input connector Insert the Connector into the linkhead 1 2 Attach this connectorized power Cord to Power Supply Output Connector Power in...

Страница 36: ...ower supply can be used to connect to a second linkhead Note If redundant power supplies are desired a separate back up power supply and cable to interconnect two power supplies may be ordered from LightPointe The LPS 00 R Y Cable should be ordered Step 7 Repeat these steps at the second linkhead Step 8 Apply power to both linkheads by connecting the input power cable from its AC source into the I...

Страница 37: ...e installed at close ranges as low as 10 meters apart During the initial alignment turn the Power Adjustment Knob anticlockwise wide open to the Maximum Receive Power minimum attenuation position see picture below Leave the knob in this position during alignment with the telescope and power bars Once the alignment procedure is complete check the reading on the LED Bar Graph If the reading is 9 bar...

Страница 38: ...n will have much difficulty in performing link head alignment Two people are virtually mandatory The only tools required to perform system alignment are the Allen wrenches metric 6 that are provided with the system Perform the following steps moving only one linkhead at a time Step 1 Remove the back cover protective plate from the link head and the lens covers from the telescopes Step 2 Loosen the...

Страница 39: ...e system is now transmitting power over the Free Space link The linkheads may be aligned well enough to see each other with only the telescope alignment But this is rare and further alignment is almost certainly required Observe the Low Power Receive indicators on the far side linkhead These indicators are used to confirm coarse alignment from one end of the link observing the far end These indica...

Страница 40: ...th meter should not be lower after the locking screws have been fastened Repeat the alignment process if the number of bars is significantly lower on one end of the system or if the power indications change as you tighten the Pan and Tilt or mounting arm assembly The alignment procedures are now completed 2 10 Network Connections Step 1 If not already connected as part of the alignment process as ...

Страница 41: ...e rated for a maximum of 200 mA The alarm relay forms a Make Normally Open connection between the two pins on any of the following conditions Loss of power to the linkhead Too much received power from Free Space Overload Too low received power from Free Space Beam is Blocked The dry alarm output pins are accessed with the same screw type connector that is used for the local power supply arrangemen...

Страница 42: ...anel of the link head Table 2 3 describes these components A H G B C I I F K L E M D 10 100 Base Tx Received Optical Power ON PoE ON Test Optical Wireless Interface Network Interface Over Load Loss of Signal Optical Power OFF Power Alarm Power Switch Power Status Power Adjustment 12 48 V DC 100 RJ off Data 10 100 Test Data 10 Figure 2 13 Link Head Back Panel Key and labeling scheme ...

Страница 43: ... connector F Telescope To Use for Coarse Alignment G Twisted Pair Data Indicators Green normal when Network Data is active 100 Mbps green when 100 Mbps data present 10 Mbps green when 10 Mbps data present Red when no Data out Network data link unavailable H Free Space Optics receive power Current receive power level optimum range 6 to 10 bars I FSO Free Space Indicators Green normal when Free Spac...

Страница 44: ... is active 100 Mbps green when 100 Mbps data present 10 Mbps green when 10 Mbps data present H Free Space Optics receive power 6 to 9 bars steadily illuminated one bar flickering OK I FSO Free Space Indicators Green normal when Free Space Optics portion is active 100 Mbps green when auto negotiate to 100 Mbps 10 Mbps green when auto negotiate to 10 Mbps K Power Adjustment Knob Adjusted to no more ...

Страница 45: ...FlightTransport Installation Guide 505 003686 00000 Rev A 2 31 ...

Страница 46: ......

Страница 47: ...eceive Level Bars should display the same level which you noted during the installation Check for obstructions in the transmission path such as growing trees mechanical equipment or new construction Check all electrical connectors for corrosion moisture or other damage Check all optical cables for damage or changed routing REMEMBER On single beam systems you may be interrupting the beam for a frac...

Страница 48: ...FlightTransport Installation Guide 3 2 505 016300 00000 Rev A ...

Страница 49: ...tem The first step in troubleshooting is usually to go to the roof and confirm that the linkheads are both receiving adequate power over the Free Space link Many times the linkheads will be blocked misaligned unplugged or have other simple problems Go to the roof 4 1 Failure Types Three different kinds of failures can affect system performance Failures caused by attached network components Failure...

Страница 50: ...e interface or signals incompatible with link head Network administration changes causing the network to fail for a reason unrelated to the FSO system Network connection damaged No signal at the link head due to damaged feeder cables Free space optical signal weak Link failure Back to back Linkheads All linkheads must interface to a network element in order to autonegotiate the data rate Two FL 10...

Страница 51: ...ta Out Transmit and Data In Receive LEDs can be used to identify data transmit and receive problems Table 4 2 LED Operational Checks Function Monitored LED Label Normal State ON Green Power Status PSU or PoE One or the other lit Yellow Data Green Network Interface 100 or 10 One or the other lit Green Received Optical Power 3 to 10 bars lit Green Data Green Optical Wireless Interface 100 or 10 One ...

Страница 52: ...nnectors Section 3 Network Equipment to Network Equipment Network Equipment to Network Equipment Ping Test Test OK Criteria Bit Error Rate 10 10 or better Ping rate of 10 Ms or less Ping Test a Ping from one Network Device to another across the link 1 Ping from A to B to verify the ping function 2 Ping from A to N1 3 Ping from A to N2 4 Ping from A to C 5 Ping from C to N2 6 Ping from C to A NOTES...

Страница 53: ... How long has system been in operation POE or Local Power supply How does the error show up Bursty errors dropped packets etc Is error observed for the first time How was the weather when error showed up What time of day Weather fog snowfall Outside temperature moisture on entrance window Status of Back Panel LEDs Are all red LEDs off Yes No How many bars does the bar graph indicator show 3 to 10 ...

Страница 54: ...before returning any system components for repair or replacement RMA products include Link head Standard power supply Contacting LightPointe Corporate Office 10140 Barnes Canyon Road Suite B San Diego CA 92121 P 858 834 4083 F 858 430 3458 Technical Support Phone 858 863 0198 Website www lightpointe com Email techsupport lightpointe com ...

Страница 55: ...FlightTransport Installation Guide 505 016300 00000 Rev A 4 7 ...

Страница 56: ......

Страница 57: ...nge 30 dB Network Interface Data Transcievers Protocol CSMA CD Interface 1 x 10 100 Mbps RJ 45 for UTP STP Category 5 or better Speed 10 100 Mbps at half or full duplex LightPointe FlightSpectrum products are certified eye safe in accordance with IEC EN 60825 1 A2 2001 Class 1M Power Over Ethernet Adapter Indoor Unit Description Injector Power Over Ethernet PSE Adapter Dimensions 89x47x30 mm POE O...

Страница 58: ...FlightTransport Installation Guide 5 2 505 016300 00000 Rev A ...

Страница 59: ...ty 1 5 lightning 2 8 line of sight 1 1 2 7 M maintenance 3 1 mounting post 2 12 Multiple link heads 2 11 N network interface 1 2 network interface connections 2 11 network problems 4 2 O Office Floor Mount 2 10 P pan and tilt 2 2 2 5 2 24 ping test 4 4 power 2 11 power supply 4 1 problems environmental 4 2 network 4 2 protocol 1 2 R rain 4 2 range finder 2 7 receive 4 3 receive amplifier 1 2 recei...

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