Radio Frequency Systems W1000176 Fiber Fed Remote Unit User Manual
Radio Frequency Systems Inc Fiber Fed Remote Unit
User Manual
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| Document ID | 999094 |
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| Document Description | User Manual |
| Short Term Confidential | No |
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| Document Type | User Manual |
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| Date Submitted | 2008-09-11 00:00:00 |
| Date Available | 2008-09-11 00:00:00 |
| Creation Date | 2008-06-18 15:07:37 |
| Producing Software | pdfFactory v1.57 (Windows XP German) |
| Document Lastmod | 0000-00-00 00:00:00 |
| Document Title | Microsoft Word - 1100182-C_User_Handbook_L-RU_ClearFill_Space1-FCC, Rev 1.1.doc |
| Document Creator | pdfFactory http://www.context-gmbh.de |
| Document Author: | Joerg.Zenke |
User Handbook L-RU Revision C ClearFill®Space1 L-RU (incl. L-RU800-2, L-RUSMR800-2, L-RU700-2, L-RU1900-2, L-RU1721-2) User Handbook Part. No.: L-RU800-2: L-RUSMR800-2: L-RU700-2: L-RU1900-2: L-RU1721-2: 16501014 16501015 16501016 16501017 16501018 Radio Frequency Systems GmbH Kabelkamp 20 D-30179 Hanover (Germany) Tel.: +49 511 676 2731 Fax: +49 511 676 3750 CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 1 of 29 User Handbook L-RU Revision C Contents GENERAL 1.1 IMPRINT 1.2 ABBREVIATIONS DESCRIPTION OF CLEARFILL®SPACE1 SYSTEM 2.1 DESCRIPTION OF REMOTE UNIT 11 3.1 BLOCK SCHEMATICS OF THE REMOTE UNIT 12 3.2 FUNCTIONAL BUILDING BLOCKS OF THE REMOTE UNIT 14 3.2.1 Uplink 14 3.2.2 Downlink 15 3.2.3 Monitoring 15 3.2.4 Function of ALC 15 3.2.5 Duplexer 15 SPECIFICATIONS 16 4.1 ELECTRICAL SPECIFICATIONS 16 4.2 MECHANICAL SPECIFICATIONS 18 4.3 OPTICAL LINK 18 4.4 COMPLIANCE 18 MODULE DESCRIPTIONS AND SPECIFICATIONS 19 5.1 OPTICAL TRANSCEIVER 19 5.1.1 Optical Transmitter 19 5.1.2 Optical Receiver 19 POWER SUPPLY 19 5.2 GENERAL SYSTEM PERFORMANCE INSTALLATION AND COMMISSIONING 20 6.1 20 6.2 GENERAL STATEMENTS 6.1.1 Safety Considerations / Sicherheitshinweise (English / Deutsch) 20 6.1.2 Packing List 20 INSTALLATION PROCEDURE CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC 21 Page 2 of 29 User Handbook L-RU 6.3 Revision C COMMISSIONING PROCEDURE 23 MAINTENANCE, REPAIR AND WARRANTY 24 7.1 INTRODUCTION 24 7.2 ROUTINE CHECKS 24 7.3 REPAIR 24 7.4 TROUBLESHOOTING 25 7.5 WARRANTY 28 NOTES CONFIDENTIAL PROPRIETARY 29 Reg. No.: User Handbook 1100182-C.DOC Page 3 of 29 User Handbook L-RU Revision C 1 General Thank you for selecting this RFS product. We are confident that you will find this product in proper working order and meeting all stated specifications. Please read this manual. A full understanding of product operation will support optimal performance and prevent accidental damage not covered by the stated warranty. 1.1 Imprint These operating instructions are published by Radio Frequency Systems GmbH Kabelkamp 20 D-30179 Hanover (Germany) Tel.: +49 511 676 2731 Fax: +49 511 676 3750 No reproduction (including translation) is permitted in whole or part e.g. photocopy, microfilming or storage in electronic data processing equipment, without the express written consent of the publisher. The operating instructions reflect the current technical specifications at time of print. We reserve the right to change the technical or physical specifications. CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 4 of 29 User Handbook L-RU 1.2 Revision C Abbreviations ALC BP BTS DAS DL EIN EMI EN ETSI HP HU IEC IP3 MU ORx OTRx OTx PCB POI PSU PTFE RoHS RU TRx UL WEEE WiFi Automatic Level Control Band-pass Base Transceiver Station Distributed antenna system Downlink Equivalent Input Noise Electro Magnetic Interference A standard established by the European Committee for Standardization European Telecommunications Standards Institute High-pass Height Units International Electrotechnical Commission - International standards organization dealing with electrical, electronic and related technologies Third-order intercept point Master Unit Optical receiver Optical transceiver Optical transmitter Printed Circuit Board Point of interception Power supply unit Polytetrafluoroethylene Restriction of Hazardous Substances Remote Unit Transceiver (Transmitter-Receiver) Uplink Waste of Electrical and Electronical Equipment Wireless Fidelity CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 5 of 29 User Handbook L-RU Revision C 2 Description of ClearFill®Space1 System When coverage is needed in a large building (typically larger than 200.000 sq ft), RF repeaters driving passive distributed antenna systems (DAS) often become impractical due to their coaxial cable loss. ClearFill®Space1 is offering great value because the signal loss in fiber is extremely low compared to coaxial cable. ClearFill®Space1 can provide excellent coverage over broad areas. ClearFill®Space1 is a mid power indoor coverage solution that meets any RF distribution needs – from simple entry-level systems to the most complex applications. ClearFill®Space1 is a modular RF-over-fiber distribution system that provides reliable and highest quality indoor coverage of 2G and 3G wireless services in airports, hospitals, campus, enterprises, convention centers, high-rise buildings and tunnels. The ClearFill®Space1 system is a plug-and-play fiber-optical repeater system consisting of two main components: a Master Unit (MU) and Remote Units (RU), connected via a fiberoptical link(s). L-MU series Master Unit L-MU1 drives one remote unit (band selective) L-MU2 drives two remote units (band selective) L-MU4 drives four remote units (band selective) Figure 1 – Master unit L-MU of ClearFill®Space1 Three types of RF broadband MU are feeding one, two or four RU providing high level of flexibility. This handbook refers to the RU of a ClearFill®Space1 system. For further information about the L-MU please refer to the User handbook L-MU. CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 6 of 29 User Handbook L-RU Revision C The RU is a fiber-fed, band-selective single-band RF amplifier. The automatically leveled composite output power (22dBm, equivalent to 2x19dBm for two RF carriers) of a single RU guarantees best coverage at low prices and is able to drive an area of typically 50.000 sq ft. L-RU series Fiber Fed Remote Unit L-RU800-2 L-RUSMR800-2 L-RU700-2 L-RU1900-2 L-RU1721-2 for 50.000 sq ft for 50.000 sq ft for 50.000 sq ft for 50.000 sq ft for 50.000 sq ft Figure 2 – Remote unit L-RU of ClearFill®Space1 CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 7 of 29 User Handbook L-RU Revision C An example for a system topology is presented in Figure 3. L-RU L-RU Figure 3 – Example of ClearFill®Space1 System Topology Both devices (L-MU and L-RU) include an automatic level control (ALC) in uplink and downlink that eliminates system gain variation, regardless of optical loss guarantying optimised system performance under minimised installation effort. The interface to the BTS / Node B or an Off-Air Repeater is the master unit. In case of a multi-operator system a combining network (POI) has to be used in order to adapt the input signal to the MU interface. An opportunity to extend the system to distribute WiFi over the same DAS is foreseen via RFS WiFi injection port. CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 8 of 29 User Handbook L-RU 2.1 Revision C General System Performance Optical link: • • 0 to 6 dB optical attenuation Mono-mode fiber Plug-and-play function: • • • • • • • Self-leveling system in UL and DL Fixed output power levels of RU in DL Fixed output power levels of RU in UL for laser protection ALC of MU in DL for auto-leveling of composite input power for varying number of carriers ALC of MU in UL for auto-leveling of parallel optical links and compensating for various optical link losses Commissioning effort reduced to a minimum Operating under ETSI requirements Application: • • • RU and MU build up an end-to-end RF system connected via a pair of optical fiber. See User Handbook of Master Unit (L-MU series) for additional information about MU. The system MU-RU and its plug-and-play functionality is designed to operate for typical DAS applications with nominal UL input signal strengths (into RU RF in/out port) in the range of -55 dBm to -35 dBm. As every distributed RF-over-fiber system, ClearFill Space1 introduces signal delays in DL and in UL due to the use of single-mode optical fibers between MU and RU. This delay has to be taken into account by cellular network planning/operation for appropriate setting of BTS/NodeB search windows. This also applies for remote BTS/NodeB’s which may be connected to a ClearFill Space1 system over-the-air using an off-air repeater with donor antenna. Establishing a connection between mobile / handheld device and BTS/NodeB may fail due to of improper setting of search window / range. CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 9 of 29 User Handbook L-RU Revision C Monitoring: Managing the system in case of malfunction is very simple. Two alarm LED easily refer to specific malfunction for the optical link connection and/or for the power supply. Correction of an identified malfunction is done by exchange of faulty unit. Thus makes ClearFill®Space1 a very service-friendly system. LED specification and connectivity (Two type of alarm LED at RU): • • Green illuminated “Main power” LED indicates that the power is ON. Green illuminated “Monitoring” LED indicates that the received optical laser signal from MU is functioning within spec. CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 10 of 29 User Handbook L-RU Revision C 3 Description of Remote Unit The medium-power RU is designed for applications in buildings and tunnels. Operating in ALC modus in uplink and downlink the RU provides an easy plug-and-play handling without system leveling. The output power level in downlink is fixed according to ETSI requirements. The monitoring of function is locally indicated by LEDs. The summary alarm switches the pilot tone to the optical Master Unit. The optical transceiver operates on mono-mode fibers. The remote unit comprises an optical transmitter and receiver, active and passive RF components, and a single RF input / output port. AC Power Cable (not shown) Earthing Clamp DL Optic in SC/APC connector UL Optic out SC/APC connector LED Mains RF IN / OUT Connector LED Monitoring Figure 4: Picture of Optical Remote Unit CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 11 of 29 User Handbook L-RU 3.1 Revision C Block Schematics of the Remote Unit Figure 5 shows the functional block schematic of the remote unit, which basically identifies the main building blocks and their interactions. All external interfaces are clearly identified as arrows crossing the boundary of the remote unit. Power Supply PSU DL Optical Input Active RF E/O RF Input / Output UL Optical Output Monitoring Legend:, Status LEDs RF Connection Optical Link Pilot Tone Monitoring Control Module Power Supply Figure 5: Functional Block Schematic of the Remote Unit • • • PSU: internal power supply for RU E/O: Optical transmitter and receiver integrated into one transceiver module Active RF: The combination of all passive and active modules for uplink and downlink including supporting electronics Monitoring: All electronics for alarming. • The Remote Unit consists of the following functional building blocks • • • • • • The optical transceiver The pilot tone monitoring The downlink path The uplink path Duplexer Power supply CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 12 of 29 User Handbook L-RU Revision C Figure 6: Block schematic of the Remote Unit A detailed block schematic of the RU is shown in Figure 4 indicating the optical transceiver part in red, the monitoring electronic in blue, the PSU in yellow and the RF amplifier block in grey. In downlink, an optical receiver ORx converts the optical input signals from the Optical Master Unit to RF signals. The BP/LP separates RF communications signals from the monitoring pilot tone. A cascade of amplifiers provides sufficient RF gain imbedded in an ALC which keeps the output power level constant compensating optical losses of the optical link. The duplexer separates downlink output signals from uplink input signals. In uplink, the RF amplifier is embedded in an ALC, which compensates varying input power levels. The output power into the laser OTx is limited protecting the laser against damages. The BP/LP module combines the RF signals with the pilot tone in UL. CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 13 of 29 User Handbook L-RU 3.2 Revision C Functional Building Blocks of the Remote Unit A picture of the inner arrangement of the remote unit is shown in Figure 7. Duplexer Optical Module Uplink path Pilot Tone Monitoring PSU RF N- Connector Monitoring LED Downlink path SC/APC Optical IN / OUT Connectors AC Power Cable Earthing Clamp Figure 7: Inner arrangement of the Remote Unit The optical transceiver and the power supply are separate modules. The pilot tone monitoring, downlink, uplink and the duplexer are integrated on one PCB. All modules of the RU are integrated in a cast housing with integrated heat sink designed for wall mounting. The housing has a protection against splash water, dust and dirt. All connections are arranged on the bottom side. The attractive design and the protection class IP 54 allows installing the RU in various environments. 3.2.1 Uplink The uplink path mainly consists of a four-stage amplifier with two integrated filters, an ALC and a limiter to protect the laser in UL against high power levels and to avoid non-linear operation. CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 14 of 29 User Handbook L-RU Revision C The ALC compensates for different uplink input levels per carrier providing optimised UL performance with regard to spurious free dynamic range. 3.2.2 Downlink The downlink path includes a five-stage amplifier with balanced power amplifier, filters and an ALC, which automatically operates the RU according to ETSI requirements. The downlink path is equipped with a monitoring to control the RF-amplifiers. Each amplifier stage can generate an alarm by controlling the DC-current. 3.2.3 Monitoring All amplifier stages in downlink and uplink as well as the optical transceiver are monitored. Failures are logically combined to a resulting summary alarm that results in a switch-off of the pilot tone. The alarm matrix of the RU is shown in Table 1 below. Alarm Power supply Summary alarm (RF amplifiers, optical modules) LED Main Power OK green Failure Off Monitoring green red Table 1 – Alarm matrix of the RU 3.2.4 Function of ALC The main part of this ALC system is a detector circuitry. It converts an RF signal to an equivalent DC voltage at its output. The detected voltage is compared with a reference value adjusting an electrical controlled attenuator. Thus, the RF power level at the antenna port is kept constant to maximum and no manual leveling is required. 3.2.5 Duplexer The duplexer at the antenna port is a high performance ceramic duplexer separating uplink and downlink RF-bands. CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 15 of 29 User Handbook L-RU Revision C 4 Specifications 4.1 Electrical Specifications Frequency range CDMA800 Model no. Uplink Downlink Bandwidth L-RU800-2 824 – 849 MHz 869– 894 MHz 25 MHz Frequency range SMR800 Model no. Uplink Downlink Bandwidth L-RUSMR800-2 806 – 824 MHz 851 – 869 MHz 18 MHz Frequency range Home Land Security Model no. Uplink Downlink Bandwidth L-RU700-2 764 – 776 MHz 794 – 806 MHz 12 MHz Frequency range PCS1900 Model no. Uplink Downlink Bandwidth L-RU1900-2 1850 – 1910 MHz 1930 – 1990 MHz 60 MHz Frequency range AWS Model no. Uplink Downlink Bandwidth L-RU1721-2 1710 – 1755 MHz 2110 – 2155 MHz 45 MHz CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 16 of 29 User Handbook L-RU Revision C Composite Output Power in DL 22 dBm typical RF impedance Return loss 50 Ω > 10 dB typical Input voltage AC 115/230 V ±10%, 50/60 Hz ±5%, autoranging Gland with 1.5m cables < 30 W Power consumption ALC operation (UL window at RF in/out port) ALC active: - 55dBm to -35 dBm *) *) target window for plug-and-play mode Linear mode: < -55 dBm Master Unit see User Handbook L-MU series CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 17 of 29 User Handbook L-RU 4.2 Mechanical Specifications Size Colour Cooling: Weight: Operating Temperature Range Storage Temperature Range Relative humidity RF Connectors: Earthing: Location of the interfaces and control element Environmental Protection: 4.3 height: 240 mm width: 320 mm depth: 70 mm black (RAL 9005) scratch resistant convection cooling, without fans approx. 5,8 kg -10°C to + 50°C -20°C to + 75°C 0% to 90% (non-condensing) N type female M8 bolt on bottom when wall mounted IP 54 Optical Link Fiber optic type Number of fibers Optical connectors Wavelength Optical attenuation 4.4 Revision C mono-mode, 9 / 125 2 (one for UL, one for DL) SC / APC 1310 nm max. 5 km (3miles) distance or 6 dB optical attenuation Compliance EMC FCC Safety Optic CONFIDENTIAL PROPRIETARY ETSI EN 301 489-1 FCC part 15/ 22/ 24/ 27/ 90 IEC / EN60950 Laser Diode according to IEC / EN 60 825 – 1, class 1 Fiber Optic Link according to IEC / EN 60 825 – 2 Reg. No.: User Handbook 1100182-C.DOC Page 18 of 29 User Handbook L-RU Revision C 5 Module Descriptions and Specifications 5.1 Optical Transceiver 5.1.1 Optical Transmitter Wavelength Optical Output Power Modulation gain 1310 nm, single mode 3 dBm typical 0,08 mW/mA 5.1.2 Optical Receiver Wavelength Maximum input power 5.2 1310 nm, single mode 3 dBm optical Power Supply The in-built PSU is a high reliability, wide input range, and high efficient AC-DC converter with four outputs at 5 V, 12 V, -12 V and 24 V. To reduce the outgoing disturbance an EMIfilter is built in. To reduce the inrush current at start-up, a soft start circuit is implemented. The output is short circuit, overload and over voltage protected. CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 19 of 29 User Handbook L-RU Revision C 6 Installation and Commissioning 6.1 General Statements 6.1.1 Safety Considerations / Sicherheitshinweise (English / Deutsch) Safety Considerations PTFE and PTFE Composite Materials Materials should never be heated to the point where smoke or fumes are evolved. Any person feeling drowsy after coming into contact with PTFE especially dust or fumes should seek medical attention. Sicherheitshinweise PTFE und PTFE Verbundwerkstoffe PTFE und PTFE Verbundwerkstoffe dürfen nicht derart erhitzt werden, dass es zu Rauchentwicklung kommt. Personen die mit solchem Rauch in Berührung kommen und sich unwohl fühlen (z.B. Schläfrigkeit), sollten dringend medizinische Beratung in Anspruch nehmen. 6.1.2 Packing List Additionally to the remote unit following parts are enclosed to the delivery set: § § § § CONFIDENTIAL PROPRIETARY User Handbook L-RU Test report L-RU Packing list 4 screws, 4 washers, 4 dowels Reg. No.: User Handbook 1100182-C.DOC Page 20 of 29 User Handbook L-RU 6.2 Revision C Installation Procedure The installation may only be carried out by qualified personnel that is familiar with the hazards involved and the relevant statutory regulations. Before begin of the installation of the RU, all RF cable and optical cable should be installed first. The procedure for installing the L-RU is generally as follows: 1. Transport the RU to the chosen site in its packaging. 2. Remove the RU from its packaging and check that there are no obvious signs of physical damage. If the unit is physically damaged do not proceed with the installation. 3. Drill or fit four wall fixings to which the RU is to be fitted. For the physical dimensions of the wall fixings refer to Figure 8. The type of fixings will depend on the construction of the wall. It has to be ensured that the wall fixings are adequate for a total weight of more than 6 kg. Note: The provided dowels in the accessories are suitable for installation in indoor areas (closed spaces) only and for following wall constructions. • • • • • • • • • • • Concrete Pre-stressed hollow-core concrete slabs Natural stone with dense structure Solid brick Sand-lime solid brick Solid block made from lightweight concrete Aircrete Solid panel made from gypsum Hollow block made from lightweight concrete Slabs made of perforated bricks Hollow concrete blocks etc. For the installation in other environment (e. g. tunnel) or other wall construction another dowel must be used, which is suitable for this environment and wall construction. 4. Fit and secure the RU on to the fixings. It is strongly recommended that all four fixing points be used. 5. Earth the RU in accordance with international and local recommendations and requirements. 6. Connect the RU to RF distributing DAS or radiating cable. Connect the two optical link cables from and to the assigned MU and plug in the power cable. CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 21 of 29 User Handbook L-RU Revision C 7. Ensure that all the cables leaving the RU first travel downward to ensure that any moisture is directed away from the RU. This is important for installation in tunnel environment. Note: It is important that the above installation instructions are followed in the sequence presented to ensure a correct and save installation. Ensure a suitable mains power supply is available adjacent to the RU. Connect the RU main cables to the mains supply in accordance with local wiring. Note: Avoid looking directly into the optical connectors of the RU if no optical cables or protective sleeve are installed and the RU is switched on. 213 mm 301 mm Figure 9: Drill Template for wall installation CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 22 of 29 User Handbook L-RU 6.3 Revision C Commissioning Procedure The ClearFill®Space1 system (consisting of MU and RU) is equipped with a combination of ALCs, minimum one at the input and one at the output. The dynamic range of the individual ALCs and their reaction time is adjusted to each other. At least the whole system ope rates in a balanced way providing defined power levels at the output of the system within the specified power levels at the system inputs. Due to the self-levelling functionality no commissioning and testing of the ClearFill®Space1 system is necessary. The system can be set into operation as plug & play compensating automatically for fiber optical losses, for changes of number of operating RF carriers and for all types of temperature and aging effects. CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 23 of 29 User Handbook L-RU Revision C 7 Maintenance, Repair and Warranty 7.1 Introduction The RU is designed and built to require no periodic maintenance. As long as the unit is kept away from extreme temperatures and moisture, it should provide long-term, carefree operation. It is strongly recommended that no invasive procedures are performed on the unit in an attempt to verify performance. See section 7.2 for recommended routine performance variation checks. 7.2 Routine Checks Although the RU is a low-maintenance unit, it is recommended to routinely verify the performance of the RU by making test calls or detailed system checks on the actual radio coverage. Several test calls should be made at different positions within each area to get an overall picture of the system performance. This is by far the best way to check the system as it tests the whole system from an operational viewpoint as seen by the users. It is strongly recommended that no invasive procedures be performed on the unit in an attempt to verify performance unless a serious problem with performance has been ident ified as described above. Any such invasive procedures are more likely to do damage to the system and create intermittent performance than to be of any practical value. 7.3 Repair Repairs may only be carried out by qualified personnel that are familiar with both the ha zards involved and the relevant statutory regulations. Unauthorized modifications or repairs invalidate the warranty claim. Before contact RFS customer service for repair request please prove the checklist in section 7.4 (Troubleshooting). For returns, repairs and ordering technical.consulting@rfsworld.com. CONFIDENTIAL PROPRIETARY contact your RFS Reg. No.: User Handbook 1100182-C.DOC customer service Page 24 of 29 or User Handbook L-RU 7.4 Revision C Troubleshooting You have obtained a state-of-the-art product, which is reliable and operationally safe. Nevertheless, problems or malfunctions may occur. Following we will present strategies how to eliminate possible problems. The safety instructions must be observed (see notes below the table)! Pease follow the procedures for the troubleshooting in the prescribed order. Checklist RU Symptoms Reason Procedure 1. Check the AC voltage The power supply is inac- 2. Check the connectors of AC cable • All RU LED are off. 3. Check the AC power cable for tive. damages The outputs of the PSU Reset the RU by switching Off and have over or under volt- after a few seconds On of the AC • RU PSU LED is age power red. Please contact RFS customer serPSU is defect vice for repair or replacement of RU Problem with optical sigPlease check the system trouble• RU Monitoring nal shooting list (see next page). LED is red. Note: Always remove AC power cable before checking or changing fuses. 115 / 230 VAC can be lethal. Note: To avoid shock, injury or damage to the RU: use only fuses with the amperage, interrupt, voltage and speed ratings specified. Don’t open housing of RU. Warranty exclusion in case housing has Note: been opened! CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 25 of 29 User Handbook L-RU Revision C System Checklist The safety instructions must be observed (see notes below the table)! The following troubleshooting refers to specific alarm LED indications on MU and RU in a ClearFill®Space1 system environment. Please follow the procedures for the troubleshooting in the prescribed order. For guidance the column “Symptoms” gives specific LED status information combinations at MU and RU. Symptoms Reason Procedure • MU Summary OTx One or more optical Please contact RFS customer sertransmitter is inactive vice for repair or replacement of RU LED is red 1. Check the optical connectors of the inactive link for fastening or damage 2. Check the optical cable between • MU Link LED to No optical signal MU and RU for damage RU is red 3. Clean with special equipment the ferrules at the optical connectors 4. Check the following variety of troubleshooting, described below 1. Check the optical connectors of the UL (on the MU and RU site) for No optical signal in UL fastening or damage • MU Link LED is 2. Check the optical cable in UL for red / RU Monitordamage ing LED is green OTx of MU is inactive 3. Please contact RFS customer ser(in this case summary vice for repair or replacement of OTx LED is red as well) MU CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 26 of 29 User Handbook L-RU Symptoms Reason 1. No optical signal 2. 3. 4. OTRx of MU is inactive • MU Link LED is red / RU Monitoring LED is red 5. Optical cable is inactive 6. 7. MU or RU is inactive • No signal on data / No data available monitoring interface CONFIDENTIAL PROPRIETARY Revision C Procedure Check the optical connectors of the UL and DL (on the MU and RU site) for fastening or damage Check the optical cable in UL and DL for damage Clean with special equipment the ferrules at the optical connectors Connect the optical cables of the failure link to the other optical link connectors (in case of L-MU2 and L-MU4) or to the spare device if available (for L-MU1). If the link status OK, then contact RFS customer service for repair or replacement of MU. If the link status is on failure (see point 4) retry the communication with spare devices (MU and RU) if available. In case of failure status the optical cable is out of order. In case of OK status (see point 5) is MU or RU is inactive. The failure unit can be detected by sequential change of the only one unit (MU or RU). Please contact RFS customer service for repair or replacement of this unit. 1. Check the data connectors for fastening or damage 2. Check the data cable for damage Reg. No.: User Handbook 1100182-C.DOC Page 27 of 29 User Handbook L-RU 7.5 Revision C Warranty The Warranty time is 1 year beginning with the delivery of the equipment. Warranty services do not extend the warranty time. The warranty is not valid for the following: • • Damage caused by improper use Damage caused by non-adherence to user handbook • Devices which have been opened provided this is not described in the user handbook for maintenance purposes. • Devices whose serial number labels have been changed, damaged, removed or exchanged. • Devices whose warranty seals are changed, damaged, removed or broken. We will correct any fault free of charge or exchange item (excluding shipment), if • • • It can be proved that they are manufacturing faults. The faults are reported immediately. The faults are reported within the warranty time CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 28 of 29 User Handbook L-RU Revision C 8 Notes CONFIDENTIAL PROPRIETARY Reg. No.: User Handbook 1100182-C.DOC Page 29 of 29
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