Installation Guide Copyright Foxcom Wireless 200
Notice © 200 by Foxcom Wireless This document contains confidential and proprietary information of Foxcom Wireless and may not be copied, transmitted, stored in a retrieval system or reproduced in any format or media, in whole or in part, without the prior written consent of Foxcom Wireless. Information contained in this document supersedes any previous manuals, guides, specifications, data sheets or other information that may have been provided or made available to the user.
Foxcom Wireless Offices iii ISRAEL - HEADQUARTERS USA Foxcom Wireless Ltd. Foxcom Wireless Inc. Tel: 972-8-918-3888 Tel: 1-866-4-FOXCOM Foxcom Wireless Confidential and Proprietary Information Document No.
ModuLite™ Installation Guide Table of Contents 1. Front Chapter 1 1.1. Policy for Warranty and Repair 1 1.2. Conventions 3 1.3. Reporting Defects 4 1.4. RF Exposure Compliance 4 1.5. Precautions 1.5.1. Personal Safety 1.5.2. Equipment Safety 1.5.3. System Performance 1.5.4. Power Supply 2. Introduction to the ModuLite™ 2.1. Applications 5 5 6 6 6 7 8 2.2. Models 2.2.1. Certification 2.2.2. System Description 9 10 11 2.3. Product Drawings 2.3.1.
ModuLite Installation Guide 4.4. Environmental Data 25 4.5. Protective Earthing 26 4.6. Wallmount Installation 26 4.7. Rackmount Installation 28 4.8. Fiber Installation 4.8.1. Fiber Optic Cable 4.8.2. ModuLite™ Installation Parts List 29 32 35 4.9. 37 4.10. 5. High Rise Installation Horizontal Layout Installation 38 4.11. Wireless LAN Installation 4.11.1. System Configuration with Modulite 810 4.11.2. System configuration with 840 4.11.3.
ModuLite™ Installation Guide 8.4.2. 8.4.3. Method #2: Single Point Test Other Test Equipment 57 57 8.5. Optical Return Loss Measurement Test 8.5.1. Measurement Procedure 58 58 8.6. Results 59 8.7. Summary 59 9. Final Test 9.1. 60 Modular Base Unit and Modular Remote Cabinet Connections 60 10. Maintenance / Mechanical Adjustment 61 11. Troubleshooting 61 Appendix A: Link Measurements Form v Foxcom Wireless Confidential and Proprietary Information Document No.
ModuLite Installation Guide List of Figures Figure 1: ModuLite™ System ............................................................................................7 Figure 2: ModuLite™ Block Diagram..............................................................................11 Figure 3: Modular Base Unit 4 Ports ................................................................................12 Figure 4: ModuLite™ Base 4 Unit Front Panels ..............................................................
ModuLite™ Installation Guide FRONT CHAPTER List of Tables Table 1: ModuLite™ Models .............................................................................................9 Table 2: Modular Base Unit Description...........................................................................13 Table 3: Modular Remote Cabinet Description................................................................17 Table 4: Required Equipment List.........................................................................
ModuLite™ Installation Guide FRONT CHAPTER 1. Front Chapter 1.1. Policy for Warranty and Repair Foxcom Wireless tests and inspects all its products to verify their quality and reliability. Foxcom Wireless uses every reasonable precaution to ensure that each unit meets their declared specifications before shipment. Customers should advise their incoming inspection, assembly, and test personnel about the precautions required in handling and testing our products.
ModuLite Installation Guide FRONT CHAPTER 3. Returns In the event that it is necessary to return any product against above warranty, the following procedure shall be followed: a. Return authorization is to be received from Foxcom Wireless prior to returning any unit. Advise Foxcom Wireless of the model, serial number, and discrepancy. The unit may then be forwarded to Foxcom Wireless, transportation prepaid. Devices returned collect or without authorization may not be accepted. b.
ModuLite™ Installation Guide FRONT CHAPTER 1.2. Conventions In this manual the following special formats are used: Note Notes contain information detailing the current topic. CAUTION CAUTIONS CONTAIN INFORMATION REGARDING SITUATIONS OR MATERIALS THAT COULD DAMAGE YOUR PRODUCT. ! Warning WARNINGS CONTAIN INFORMATION REGARDING DANGEROUS FUNCTIONS. 3 Foxcom Wireless Confidential and Proprietary Information Document No.
1.3. Reporting Defects The units were inspected before shipment and found to be free of mechanical and electrical defects. Examine the units for any damage that may have been caused in transit. If damage is discovered, file a claim with the freight carrier immediately. Notify Foxcom Wireless as soon as possible. Refer to Policy for Warranty and Repair for further details. Note Keep all packing material until you have completed the inspection. 1.4.
ModuLite™ Installation Guide FRONT CHAPTER 1.5. Precautions 1.5.1. Personal Safety The ModuLite™ system uses an optical laser for transmitting voice and data. The laser unit has the following output characteristics: • Optical output power (mW): ≤3.0 • Wavelength (nM): 1310 ± 10 ! Warning APPLYING POWER TO THE MODULAR BASE UNIT AND MODULAR REMOTE CABINET WILL CREATE A LASER ENERGY SOURCE OPERATING IN CLASS I AS DEFINED BY IEC 60825-1, 21 CFR 1040.10 AND 1040.
ModuLite Installation Guide FRONT CHAPTER 1.5.2. Equipment Safety To avoid damaging your product, please observe the following: 1. Always keep the optical connector covered. Use the fiber optic cable or a protective cover. Do not allow any dirt and/or foreign material to get on the optical connector bulkheads. 2. The optical fiber jumper cable bend radius is 3 cm. Smaller radii can cause excessive optical loss and/or fiber breakage. 1.5.3.
ModuLite™ Installation Guide INTRODUCTION TO THE MODULITE™ 2. Introduction to the ModuLite™ Infrastructure for multiple services is currently provided through two different methods. The first method is a parallel infrastructure based on a fiber or hybrid fiber-copper solution. In this system, even though all operators provide mutual services with a potential for sharing, a complete infrastructure is deployed for every operator. Multiple antennas need to be installed in every radiation zone.
ModuLite Installation Guide INTRODUCTION TO THE MODULITE™ • Low noise: High bandwidth signals can be set over singlemode fibers without encountering noise problems, and transmitted over great distances. • Multi Services: Same infrastructure is used either supporting single service or multiple services, due to the pseudo infinite bandwidth of singlemode fiber optic cable. 2.1.
2. 2 Models ModuLite™ products come in various models, each model covering a different frequency spectrum and standard. Table 1: ModuLite™ Models System Service Configuration U.S.
2.2.1 Certification Foxcom Wireless products have met the approvals of the following certifying organizations: ISO 9001 For Europe 0681 For US FCC 47 CFR part 15,22,24,90 CAUTION In order to remain compliant with FCC Rule Section 15,204 for unlicensed operation in the 2.4 GHz ISM band, the Modulite 810/840 configuration must be as follows: Access Point: CISCO 1200: FCC ID: LDK102042 Smart amplifier: Shockwave. Model: AMP – 24 – 1W 4 by 4 Service Combiner Hybrid Matrrix 4x4 Wlan 0.8-2.
System Description The ModuLiteTM is a new system for the provision of In-Building multiple wireless services. Its high performance yet cost effective structure efficiently enables the addition of new wireless services. The ModuLiteTM is a hybrid fiber coax modular solution designed to serve multiple wireless services using a single common cabling infrastructure. The cabling infrastructure includes a fiber optic cable, a single coax cable, and a single antenna.
ModuLite Installation Guide • INTRODUCTION TO THE MODULITE™ Upgradeable to include more than eight services per Modular Remote Cabinet (MRC), including 3G technologies Eliminates RF interferences occurring in parallel infrastructures due to cross antenna coupling Minimal input power to ModuLite™ (~0dBm) - No need for high power BTS/RBS, less expenses for the operators.
ModuLite™ Installation Guide 7 INTRODUCTION TO THE MODULITE™ 8 6 9 Figure 5: ModuLite™ Base 4 Unit Back Panel Table 2: Modular Base Unit Description Number 1. 2. 3. 4. 5. 6. 7. 8. 9.
ModuLite Installation Guide 2.3.2. INTRODUCTION TO THE MODULITE™ Modular Base Unit- Eight Ports ” U MBU ” Figure 6: Modular Base Unit 8 Ports MB Figure 7: ModuLite™ Base 8 Unit Front Panels Figure 8: ModuLite™ Base 8 Unit Back Panels Foxcom Wireless Confidential and Proprietary Information Document No.
ModuLite™ Installation Guide 2.3.3. INTRODUCTION TO THE MODULITE™ Modular Remote Cabinet (dimensions in millimeters) 2.3.3.1. Isometric View 2.3.3.2. Front and Side View mounting brackets carrying cradle 19´ brackets 15 19´ brackets Foxcom Wireless Confidential and Proprietary Information Document No.
ModuLite Installation Guide INTRODUCTION TO THE MODULITE™ 2.3.3.3. Top View Fiber optic cable entrance Fans DC power input Antenna ports 1-4 2.3.3.4. Back View Wallmount bracket Rackmount brackets Mounting bracket AC power input Wall mount bracket Note: Depending on the user’s preference, either wallmount or rackmount brackets will be assembled. Foxcom Wireless Confidential and Proprietary Information Document No.
ModuLite™ Installation Guide 2.3.3.5. Module Front Panel 7 1 2 DL/ UL PORT 1 PORT 2 3 4 6 PORT 3 FROM BA SE OPT. DC FILTERS RF IN OUT TO BA SE Modular Remote Unit 20 -48V DC POWER N I PUT Cellular/PCS 5 Figure 9: Modular Remote Cabinet Front Panel Table 3: Modular Remote Cabinet Description Number 1. 2. 3. 4. 5. 6. 7.
ModuLite Installation Guide SETUP TESTS 3. Setup Tests This ModuLite™ product has been checked thoroughly before reaching the customer. Foxcom Wireless attests to the suitability of this product for operation. Where the customer desires to check the fitness of the product, the appropriate tests are listed on the following pages. The following describes the equipment required for testing the system at setup.
ModuLite™ Installation Guide SETUP TESTS This section explains the following test procedures: • • • • Pre RF Test Flatness Test Gain/IP3 Test Uplink Network Test In order to carry out the tests, the following connections need to be made. (The tests can be performed on one service or several services simultaneously according to the implemented application). Connect the Modular Base Units corresponding with the service optical output to the Modular Remote Cabinet’s optical input via fiber optic cable.
ModuLite Installation Guide SETUP TESTS 3.2. Flatness Test To carry out the Flatness Test, the following procedure needs to be carried out. 1. 2. 3. Connect the Network Analyzer to the service designated Modular Base Unit. On the Network Analyzer, the Modular Base Unit (according to the service) connects to port 2 On the Network Analyzer, the Modular Remote Cabinet connects to port 1 (see Figure 10). After calibrating the network, set Network Analyzer to: S21 Measure Log Format Scale 4. 5.
ModuLite™ Installation Guide SETUP TESTS 3.3. Gain/IP3 Test To carry out the Gain/IP3 Test, the following procedure needs to be carried out. 1. Set the 2 tone signal from the 2 signal generators. RF signals F1 and F2 should be according to Product Spec. Combine the signals with ZAPD-21 combiner or equivalent. Connect the 2-tone signal to the input of the base (see Figure 11). Set Spectrum Analyzer to: 2. 3. 4. 5. Video BW 10khz RBW 100khz Attenuation 20db Span 30Mhz Center freq.
ModuLite Installation Guide SETUP TESTS Figure 11: Spectrum Analyzer Setup Test 3.4. Uplink Network Test To carry out the Noise Floor test, the following procedure needs to be carried out. 1. 2. 3. 4. Connect the Spectrum Analyzer to the designated Modular Base Unit uplink port. Connect 50ohm terminators to the MRC ports, and to all Modular Base Unit uplink ports except for the tested port (see Figure 12).
ModuLite™ Installation Guide INSTALLATION 4. Installation The following sections describe the ModuLiteTM installation. • • • • General Installation. Fiber Installation. Hi Rise Installation. Horizontal Layout Installation. 4.1. General Installation The ModuLite™ components need to be set up, followed by performance verification before installing the system. Foxcom Wireless suggests that a 19” rack-mountable Splice Tray be used at the Modular Base Unit to facilitate optical fiber splicing.
ModuLite Installation Guide INSTALLATION 4. Install Modular Base Unit in 19” rack. The number of Modular Base Units depends on the number of Modular Remote Cabinets. Each Modular Base Unit is installed with four screws on the front panel (two on each side) connecting to the 19” rack. 5. Install patch panel/splice tray cabinet with SC/APC adaptors in a 19” rack or wallmount near Modular Base Units.
ModuLite™ Installation Guide INSTALLATION 4.3. Configuration Restrictions 1850 1870 1890 A D B E F 15 MHz 5 M Hz 15 MHz 5 M Hz 5 M Hz 1910 1930 1950 1970 C A D B 15 MHz 15 MHz 5 M Hz 15 MHz UPLINK 1990 E F C 5 M Hz 15 MHz 5 M Hz DOWNLINK Figure 13: PCS Frequency Allocation The following configuration restrictions apply: (Please refer to Figure 13 above.) • PCS operator operating on block A and the Paging operator must not reside on the same MRU.
ModuLite Installation Guide INSTALLATION 4.5. Protective Earthing See Figure 14 below, which describes how to connect the ground to the MRC. Connect the GND wire to the GND of the rack (for a rackmount) or to the GND of the building (for a wallmount). SIDE VIEW GND STANDOFF TERMINAL LUG GND WIRE 16 AWG WING NUT TOOTH WASHER FLAT WASHER HOUSING WALL Figure 14: ModuLite™ GND Standoff Assembly Sequence 4.6. Wallmount Installation (The following instructions apply to an installation on a concrete wall.
ModuLite™ Installation Guide INSTALLATION 4. Remove the three screws from the anchors in the holes designated in Figure 15 for the mounting bracket. In the other four anchors loosen but do not remove the screws. 5. Using the screws removed from the mounting bracket anchors, attach the mounting bracket through the three holes. 6.
ModuLite Installation Guide INSTALLATION Wallmount brackets – not necessary for rackmount installation Figure 16: Procedure for Mounting on a Wall 4.7. Rackmount brackets– not necessary for wallmount installation Rackmount Installation For a rackmount installation, attach the MRC to the rack using the rackmount brackets (see Figure 16). The MRC should be hung in the lower section of the rack. Use 12 mm M6 screws. The MRC requires a clearance of 10 cm above the unit.
ModuLite™ Installation Guide INSTALLATION 4.8. Fiber Installation The following procedure describes the process for setting up fiber optic cable for the system (see Figure 17). 1. Pull fiber optic cable and DC cable through building structure Comparison: Coax complex vs. Fiber solution 2. Install splice tray (when used) in 19” rack near Modular Base Unit. Patch Panels Splice trays Base 4 Units Power 29 Foxcom Wireless Confidential and Proprietary Information Document No.
ModuLite Installation Guide INSTALLATION 3. Near Modular Base Unit, install patch panel cabinet (SC/APC adaptors) for fiber optic cable connections. 4. Connect (3/125/900) pigtail with SC/APC connectors between splice tray and patch panel cabinet. 5. Connect (3/125/3000) SC/APC jumpers between the corresponding Modular Base Unit and patch panel. 6. Install splice box near MRC (refer to optic planning). 7. Connect fiber optic cable to splice box and (3/125/3000) pigtails to MRC.
ModuLite™ Installation Guide INSTALLATION Floor 32 DC Cable ∼ Fiber Optic Cable 2-8 Fibers Splice box MRC Floor 9 MRC MRC Floor 7 19" Rack PigTail Jumpers Patch panel 2-8 Fibers Splice tray Splice box MRC Floor 2 MBU Power Supply Figure 17: Example - ModuLiteTM Installation (fiber and coax) 31 Foxcom Wireless Confidential and Proprietary Information Document No.
ModuLite Installation Guide INSTALLATION 4.8.1. Fiber Optic Cable Before connecting the cable, clean the inside adaptor of the ModuLite™ according to the following instructions: Foxcom Wireless Confidential and Proprietary Information Document No.
ModuLite™ Installation Guide Clean the connectors as follows: 33 Foxcom Wireless Confidential and Proprietary Information Document No.
ModuLite Installation Guide INSTALLATION To connect the cable: • Line Up the Polarity Key. • Insert the connector. Foxcom Wireless Confidential and Proprietary Information Document No.
ModuLite™ Installation Guide INSTALLATION 4.8.2. ModuLite™ Installation Parts List The following parts are needed for setting up the ModuLiteTM Base and Modular Remote Cabinets. A fiber contractor handles cable splicing in order to connect the units. The fiber contractor needs to use the parts list from Table 5 to arrange all equipment necessary for setting up and installing the ModuLiteTM.
ModuLite Installation Guide INSTALLATION Table 6: ModuLite™ Installation Labor List Labor Installing splice box + splicing fibers Installing patch panel cabinet + splicing fibers Installing Foxcom Wireless equipment Installing optic cable (per 1m) Installing coax cable antennas Installing electricity ducts (per 1m) Installing electricity cables System checking and report. Description Installing the box and opening fibers at MRC. Installation of the box and opening fibers at MBU.
ModuLite™ Installation Guide INSTALLATION 4.9. High Rise Installation In a high-rise installation, all MBU’s are placed in the same location. The MBU’s are connected to the BTS/RBS (see BTS/RBS connection – page 44). An MRC can be located on every floor according to the RF design. The fiber optic cable runs from the MBU to every floor and terminates at the splice box located on every three floors of the building. Normally, every splice box connects three MBU’s.
ModuLite Installation Guide INSTALLATION 4.10. Horizontal Layout Installation In a horizontal layout installation, one fiber optic cable connects the MBU to every installed MRC. The fiber optic cable terminates at a splice box located near the MRC and from the splice box connects to the associated MRC. H D MBU C MRC G MRC R MRC RE I M M A B CELL SITE BU F H C G D MRC E I A B F CELL SI TE BASE UNIT Figure 19: Horizontal Layout Installation 4.11.
ModuLite™ Installation Guide INSTALLATION Auxiliary Modle Figure 20: ModuLite™ MRC Interior with Auxiliary Modle 4.11.1. System Configuration with Modulite 810 depicts the system configuration for Wireless LAN as part of the ModuLite™ product. The Auxiliary Modle including power amplifier and power supply DC/DC that resides in the MRC cabinet. The access point module is connected via a power amplifier that is used to increase the coverage area of the access point.
ModuLite Installation Guide INSTALLATION “RF out” Connection to the 4*4 hybrid Power Output: Can be used to power the WizLan “RF in” Connection to the Access Point Figure 22: Connector Points on the Auxiliary Modle Foxcom Wireless Confidential and Proprietary Information Document No.
ModuLite™ Installation Guide 4.11.2. INSTALLATION System configuration with 840 The Modulite 840 supports 1- 4 AP¶s and is used when there is a request to support increased capacity in the same location. The following drawing describes the system configuration.
ModuLite Installation Guide INSTALLATION # of Access Points Access point designator Connected to Antenna 1 AP 1 1,2,3,4 2 AP1 1,2 AP2 3,4 AP1 1,2 AP2 3 AP3 4 AP1 1 AP2 2 AP3 3 AP4 4 3 4 Indoor Wide band Antennas Combining the Cellular and the WLAN services requires using wide band antennas. Attached are the recommended antennas tested and approved by Foxcom Wireless. Vendor Catalog number Gain [dBi] Mars Antennas MA-CM36-15 2 low band 3-4 high band 5 WLAN 802.
ModuLite™ Installation Guide 4.11.3. INSTALLATION Connecting to the Ethernet Line The connection to the Ethernet line can be accomplished in two different ways: 1. Via local connection, or 2. Concentrated remote location. The local connection can be made by connecting each MRC located at each floor (in a typical configuration) to the nearest Ethernet line on the same floor. The RJ45 should be connected by cable to the nearest Ethernet line.
ModuLite Installation Guide OPTICAL AND RF CONNECTIONS 5. Optical and RF Connections The following sections describe the ModuLite™ optical and RF connections. • MBU- Modular Base Unit • MRC- Modular Remote Cabinet 5.1. Modular Base Unit (MBU) The MBU can be considered as main Hub connected to each specific service. There are two set-up options for the MBU: • BTS/RBS with one port • BTS/RBS with two ports Foxcom Wireless Confidential and Proprietary Information Document No.
ModuLite™ Installation Guide OPTICAL AND RF CONNECTIONS 5.1.1. BTS/RBS with one port 1. BTS/RBS must be connected to a duplexer (standard), via 50Ω (RG223) coax cable. 2. The downlink port is connected through attenuators to the designated input of the Modular Base Unit, according to the service and required input power. 3. When more than one ModuLite™ Base 4 Unit is used to the same service, splitters are required to connect to the other Modular Base Unit inputs from the same service. 4.
ModuLite Installation Guide OPTICAL AND RF CONNECTIONS Figure 26: Example - One port BTS/RBS connected to 1 MBU 8 ports 5.1.2. BTS/RBS with two ports 1. The BTS/RBS downlink port should be connected via a 50Ω (RG223) coax cable to the corresponding Modular Base Unit input via an attenuator. 2. The downlink coax cable coming from the BTS/RBS should be split using splitters to all Modular Base Unit input ports (split according to need). 3.
ModuLite™ Installation Guide OPTICAL AND RF CONNECTIONS Figure 28: Example- Two port BTS/RBS connected to 1MBU 8 ports 5.2. Modular Remote Cabinet (MRC) 1. For the downlink, connect the fiber optic cable pigtails from splice box coming from the Modular Base Unit port to the corresponding Modular Remote Cabinet port (according to the service). 2. Connect the Modular Remote Cabinet to antennas according to the RF engineers design using ½” or 3/8” coax cable. (Up to four antennas per MRC). 3.
ModuLite Installation Guide ALARM MONITORING 6. Alarm Monitoring The Modular Base Unit has a 25 pin D-type connector that is connected to 4 dry contact relays (MB4U). Each of the relays indicates the status of the link between the MBU and one of the MRC’s. This capability provides the status of the optical communications for each service. The relay connections on the 25pin D-type connector can be connected directly to the BTS alarm relays and can be monitored from the remote end.
ModuLite™ Installation Guide POWER SUPPLY FOR MODULITE™ 7. Power Supply for ModuLite™ The power supplies to drive the ModuLite™ can be purchased from Foxcom Wireless. The power supplies will be installed into a rack or mounted on a wall and will provide power for both the Modular Base Units and Modular Remote Cabinets. The example below (Figure 29) depicts a ModuLite™ system consisting of CDMA800, GSM1800, and GSM Dual Band, with 500W/ 48VDC AC/DC converters providing power for a total of 1.5A per unit.
ModuLite Installation Guide POWER SUPPLY FOR MODULITE™ The power supply that drives the ModuLite™ system can be purchased from Foxcom Wireless. Four power supply options are available. 7.1. Option One (Remote Power) In this option the MBU is connected to the power supply via electrical cables. In order to power the MRC from the power supply, two copper electrical wires running through the building (separately from the fiber optic cables) supply power to each MRC in parallel.
ModuLite™ Installation Guide OPTICAL TEST PROCEDURE 8. Optical Test Procedure This section describes the methods applied to test fiber optic cable’s optical insertion loss and return loss. 8.1. Fiber Optic Cable Test Due to the extended distances that analog signal transmissions travel on cable, the major challenge is to determine the status of the cable. In order to determine that the cables are functioning, technical personnel need to perform optical power tests.
ModuLite Installation Guide OPTICAL TEST PROCEDURE Mechanical Connector • Bending Loss Minimum bending radius • Coupler 8.2.1. Optical Fiber Fiber optic cable is described by the amount of fibers contained within. The cable described by the following terms: • Glass • Buffer • Jacket GLASS Glass is the middle fiber in the cable. The data sent over the cable travels through the glass. BUFFER The buffer is the plastic coating that covers the fiber optic cable.
ModuLite™ Installation Guide OPTICAL TEST PROCEDURE followed by the clad diameter. For example, a 9/125 fiber has a core diameter of 9µm and a clad diameter of 125µm. clad { { core clad 9µm mµ125 { Figure 30: Fiber Optic Cable Structure The cables are available in two different modes, each with different propagation properties: Property Singlemode Multimode Multimode Core Clad 9 µm 50 µm 62.5 µm 125 µm 125 µm 125 µm Attenuation .
ModuLite Installation Guide OPTICAL TEST PROCEDURE 8.2.2. Connecting Fiber Optic Cable The following are needed in order to carry out a fiber optic connection: • Splice • Connector SPLICE A splice consists of cutting the fiber optic cable across the cable’s diameter and combining the opening with another fiber optic cable. A splice can be carried out in the following methods: Fusion – following the splice, the cables are warmed and the two fiber optic cables are melted together.
ModuLite™ Installation Guide OPTICAL TEST PROCEDURE Light from the cable can be split or combined, using a Coupler. Couplers split light with minimal loss, from one to two fibers or combine light from two fibers into a single fiber. 8.3. Foxcom Wireless System Characteristics The ModuLite™ system consists of the following characteristics: • Singlemode fiber • Wavelength 1310nm • Fiber Optic Cable Measurement Tests Cable can be measured through several procedures.
ModuLite Installation Guide OPTICAL TEST PROCEDURE 8.4. Optical Insertion Loss Measurement Test The optical insertion loss measurement tests the attenuation of the cable. The insertion loss’ value should be minimal and remain in scale to 0.4dB/Km. The insertion loss measurement can be performed in two methods: q q Two point test Single point test 8.4.1. Method #1: Two Point Test Connection description: Light source connected at one end of the cable and an optical power meter at the other end.
ModuLite™ Installation Guide OPTICAL TEST PROCEDURE 8.4.2. Method #2: Single Point Test Connection description: This method assumes that there are two parallel fibers on the path to be tested. Connect fiber jumper at end of the cable being tested to another parallel cable. Connect the light source, optical power meter and optical jumper as shown in Figure 33. This measurement can test two cables simultaneously.
ModuLite Installation Guide OPTICAL TEST PROCEDURE 8.5. Optical Return Loss Measurement Test Connection description: Connect a light source and optical power to the inputs. If the coupler has one output, connect the tested cable to this output. If the coupler has two outputs make a pigtail at the second output. Light source 1 IN OUT 3 2 Optical power meter 4 Cable Being Tested Optical Coupler "Optical Terminator" (pigtail) Figure 34: Optical Return Loss Measurement 8.5.1.
ModuLite™ Installation Guide OPTICAL TEST PROCEDURE • Connect cable being tested to output connector #3. • If coupler has two outputs, then make a pigtail at second output. • If cable is longer than 100 meter, then cable needs to be isolated. To isolate cable: • Find place near test point where winding the cable into a pigtail is possible. • Make pigtail. • If cable is shorter than 100 meter, then verify that cable is disconnected at end. • Measure the return light power (P2), connector #2.
ModuLite Installation Guide FINAL TEST 9. Final Test The following checklist should be consulted when reviewing the system’s setup: • Check power supplies. • Check that all LED’s are lit. • Carry out Walk Test, checking all antenna locations, and checking the RSSI power levels at those locations. 9.1.
ModuLite™ Installation Guide ADJUSTMENT MAINTENANCE / MECHANICAL 10. Maintenance / Mechanical Adjustment • • No maintenance required. No fine tuning required. 11. Troubleshooting The following table should be consulted to verify proper operations of all optical connections. Table 10: Optical LED States Optical Out Optical In Modul ar Base Unit Modul ar Base Unit Laser + Link + + - + + MRC + - - - - - State Reasons Both units performing. Modular Base Unit 1.
ModuLite Installation Guide Intentionally Left Blank Foxcom Wireless Confidential and Proprietary Information Document No.
ModuLite™ Installation Guide APPENDIX A: LINK MEASUREMENTS FORM Appendix A: Link Measurements Form To smoothly carry out link measurements, use the table that appears below. All relevant parameters are listed. This table aids system evaluation and provides necessary feedback to Foxcom Wireless. The following issues should be taken into account: • Measure the optical power for every link with an optical meter and light source, according to the number of links or MRC’s.
