COBHAM MBF-40 User Manual

COBHAM MBF-40 User Manual

Smr 900 ps repeater, high selectivity digital repeater
Hide thumbs Also See for MBF-40:
Table of Contents

Advertisement

MBF-40
SMR 900 PS Repeater
High Selectivity Digital Repeater
User Manual – 00141UM Rev. 1.0
The most important thing we build is trust
THIS DOCUMENT IS VALID FOR THE MBF-40 HIGH SELECTIVITY DIGITAL REPEATER
SUPPORTING THE SMR900 BAND

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the MBF-40 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Summary of Contents for COBHAM MBF-40

  • Page 1 MBF-40 SMR 900 PS Repeater High Selectivity Digital Repeater User Manual – 00141UM Rev. 1.0 The most important thing we build is trust THIS DOCUMENT IS VALID FOR THE MBF-40 HIGH SELECTIVITY DIGITAL REPEATER SUPPORTING THE SMR900 BAND...
  • Page 2 All rights reserved. No part of this document may be copied, distributed, transmitted, transcribed, stored in a retrieval system, or translated into any human or computer language without the prior written permission of Axell Wireless Limited trading as Cobham Wireless.
  • Page 3 However, Cobham Wireless assumes no responsibility for its use. In no event shall Cobham Wireless be liable for any damage resulting from loss of data, loss of use, or loss of profits and Cobham Wireless further disclaims any and all liability for indirect, incidental, special, consequential or other similes damages.
  • Page 4 In the event of a failure Cobham Wireless’s support service should be contacted for advice on a possible module replacement or other action to be taken. • If a shipment of a repeater back to Cobham Wireless is made within the period of guarantee the original packing must be used. •...
  • Page 5 MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL Compliance with FCC NOTE: This repeater can be operated as both a Part 20 and/or Part 90 Class B repeater. WARNING: This product is a booster and it is the responsibility of the licensee / installer to select the correct cabling and antennas for their particular deployment scenario.
  • Page 6 MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL FCC RF Exposure Limits This unit complies with FCC RF exposure limits for an uncontrolled environment. This equipment must be installed and operated with a minimum distance of 33 cm between the radiator and any person’s body.
  • Page 7 All Cobham Wireless repeaters include high selectivity duplexers and filters to attenuate the out of band noise. Should additional filtering be required, we have a comprehensive range of interference filters which can be supplied upon request.
  • Page 8 Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Cobham Wireless assumes no liability for the customer's failure to comply with these precautions. This entire manual should be read and understood before operating or maintaining the repeater.
  • Page 9 Reflected laser radiation should be regarded as equally hazardous as direct radiation. Certain items of Cobham Wireless equipment are heavy and care should be taken when lifting them by hand. Ensure that a suitable number of personnel, appropriate...
  • Page 10: Table Of Contents

    The Home Screen ....................... 32 3.2.1 Menu Options Buttons ....................33 3.2.2 3.3 Commissioning the Repeater ......................33 Defining Site Information – MBF-40 Identification ............34 3.3.1 MBF-40 Optical Loss Adjustment (OLA) ............... 34 3.3.2 RF Balancing ......................36 3.3.3 Integration into the AEM ....................
  • Page 11 MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 4.2 Configuration Screen Overview ......................41 4.3 General Parameters ........................... 42 Viewing MBF-40 Site Identification and General Information .......... 42 4.3.1 Date & Time ....................... 43 4.3.2 Configure External Alarms ................... 43 4.3.3...
  • Page 13: Introduction

    PRODUCT DESCRIPTION AND USER’S MANUAL INTRODUCTION MBF-40 SMR 900 repeater is an optic fed system that encapsulates solutions for single or multi-operator use. It offers seamless coverage in any indoor environment such as tunnels, subways and large buildings. Signals are coupled off from a nearby base station using an optical master unit (OMU) and then distributed via fiber to one or more MBF-40 repeaters.
  • Page 14: Features And Capabilities

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 1.1 Features and Capabilities • High-power indoor unit supporting SMR 900 MHz Output power at the antenna (composite): 37 dBm • • Very low noise factor — minimizes interference to BTS and increases high speed data throughput Remote commissioning and monitoring: •...
  • Page 15: Operating Temperature

    1.3 Operating Temperature The MBF-40 is designed primarily for multi carrier purposes. If the repeater is run at full output power over a long period of time, additional, external cooling may be required; this can take the form of air-conditioning or an external fan assembly.
  • Page 16: External Interfaces

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 1.5.1 External Interfaces NOTE: The external connections at the bottom of the repeater can be protected with a cover which is screwed in place. Fibre Input Server Antenna Alarms Power Figure 1-3. External Interfaces...
  • Page 17: Internal Interfaces

    Ethernet Local Setup Port USB Local Setup Connections Optic Converter Module Optic Converter Module LEDs Optic Fiber Connection Alarms and Relay Connections Power Connections Figure 1-5. MBF-40 SMR 900 — Internal View Cobham Wireless – Coverage Date: 31-May-18 www.cobham.com/wireless Page | 5 Doc.
  • Page 18: Installation Requirements And Procedure

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 2 INSTALLATION REQUIREMENTS AND PROCEDURE This chapter provides information on the service antenna requirements, general installation requirements and the installation procedure. 2.1 Service Antenna Requirements ATTENTION! • The installer is held accountable for implementing the rules required for deployment.
  • Page 19: Recommended Splitters And Couplers

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL Typical antenna types: Indoor dome 2.1 dBi; beam width 360° • Indoor panel 4.2 dBi; beam width 106° • • Radiating cable typically < -50 dBi 2.1.3 Recommended Splitters and Couplers...
  • Page 20: Rf Cable Installation Guidelines

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 2.2.1 RF Cable Installation Guidelines • For all coaxial connections to/from the Repeater – use high performance, low-loss, 50 ohm coaxial communication cables. • All cables shall be weather-resistant type. Cable length – determined by the Repeater installation plan. When calculating the cable length, take into •...
  • Page 21: F/O Cable Installation Guidelines

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 2.2.3.2 115 VAC Power Source Cable Requirements Cable requirements: • Cable should be NRTL (safety) approved with a minimum of 14 AWG or 2.5 mm² per conductor, and maximum of 12 AWG or 4 mm² per conductor.
  • Page 22: Emv Protection

    2.2.5 EMV Protection CAUTION! Ensure good EMV protection. If insufficient Electromagnetic Protection is provided, or if EMV measures are not taken, warranties issued by Cobham Wireless are not valid. Connect the lightning protection The lightning hazard to electric and electronic equipment consists in the interferences of direct lightning current infections and high surge voltages induced by the electromagnetic field of nearby lightning channels or down conductors.
  • Page 23: External Alarm And Relay Considerations

    LEMP (Lightning Electromagnetic Pulse), including radio transmitters. They define proper planning, installation and inspection of effective lightning protection systems. Cobham Wireless repeaters comply with the EN standard ETS 301 498-8 which stipulates demands on lightning/surge protection for typical infrastructure telecom equipment installations.
  • Page 24: Repeater Installation

    1. Examine the shipping container for damage before unpacking the unit. 2. Perform a visual inspection to reveal any physical damage to the equipment. 3. Verify that all of the equipment (listed below) is included. Otherwise contact Cobham Wireless. The MBF-40 Repeater is shipped with the following equipment: Package Contents USB containing User’s...
  • Page 25: Rack Mount Installation

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 2.3.2 Rack Mount Installation The supplied brackets are used to mount the repeater either on a wall or in a 19” rack. The same brackets are used for both medium and high-power repeaters.
  • Page 26: Wall Mount Installation

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 2.3.3 Wall Mount Installation IMPORTANT! • The repeater mounting procedure is for concrete or brick walls only. • The weight of the unit requires that two people mount the unit on the wall.
  • Page 27 MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 2.3.3.2 Wall Marking and Drilling WARNINGS! Due to the weight of the repeater, it is not recommended to fix to a hollow wall). • • The repeater wall mount brackets assembly should be fixed to a solid wall (these include brickwork, block work, and concrete).
  • Page 28 MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL To mark and drill the wall drill template 1. Using the provided , mark out the fixing centers of the repeater on the chosen wall. The repeater dimensions are shown below.
  • Page 29 MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 6. As the bolt pulls its way in, the sides of the anchor section are forced outwards, gripping the surrounding surface. Figure 2-9. Anchor Sides Pushed Outwards. 7. Once all four fixings are in place, carefully withdraw the four bolts.
  • Page 30 MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 2.3.3.4 Recommended Additional Fixing ATTENTION! It is the installer’s responsibility to ensure the repeater is installed in a secure manner. Suggested precautionary measure: A bracket is provided to securely mount the repeater on the wall; however, as anadditional •...
  • Page 31 MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL Another example is of a repeater installed on a stadium gantry. Again, the support can be in the form of a cable harness loop, using the handle of the repeater and part of the gantry structure.
  • Page 32: Grounding

    WARNING! Do not use the repeater grounding bolt to connect external devices. To ground the repeater • Refer to the grounding requirements described in Section 2.2.2. • Connect the grounding protection to the repeaters ground lug. Figure 2-14. Grounding the MBF-40 Cobham Wireless – Coverage Date: 31-May-18 www.cobham.com/wireless Page | 20 Doc.
  • Page 33: Fiber Optic Connection

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 2.3.5 Fiber Optic Connection This product is equipped with Class 1 Lasers, as per definition in EN 60825-1. CAUTION! Un-terminated optical receptacles may emit laser radiation. Do not stare into beam or view with optical instruments.
  • Page 34 MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 4. Route the optic cable(s) via the optic hose fitter on the front panel. Fibre Hose Fitter Figure 2-17. Route Optic Fibre via the Fibre Input F/O Connector 5. Connect the Fibre(s) to the Fibre Optic Converter inside the repeater.
  • Page 35 MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 7. Adjust the fibre length inside the repeater and insert the seal into the “OPTO” inlet. Figure 2-20. Adjust F/O Length 8. Attach the sleeve to the Fibre optic inlet. This completes the procedure.
  • Page 36: Service Antenna Connections

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 2.3.6 Service Antenna Connections WARNINGS! Be sure the antennas are connected before applying power to the repeater. Connect the Server antenna to the Repeater DIN 7/16” server antenna connection. Server Antenna Figure 2-22.
  • Page 37 Connect Wires to Plinth Route Power Cable through Front Panel Figure 2-23. Example of MBF-40 Model 4. -48 VDC, connect wires to the plinth as follows: • Phase linked to brown cable • Neutral linked to the blue •...
  • Page 38 MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 5. 115 VAC connect wires to the plinth as follows: • Phase linked to black cable • Neutral linked to the white cable • Ground to the green cable Figure 2-25. 115VAC Power Connections 2.3.7.2 Power ON...
  • Page 39 MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 2. Switch on the power switch. 3. Switch on the BATT power. Battery Power Backup ON/OFF ON/STANDBY Battery Pack Figure 2-27. Power and Battery Switches 4. Referring to Section 5.3, verify the LEDs from the following modules are indicating correct operation: •...
  • Page 40: Optional - External Alarm And Relay Connections

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 2.3.8 Optional - External Alarm and Relay Connections The connector plinth for the external alarms is located inside the repeater. To connect external alarms or relay 1. Refer to section 2.2.6 for the external alarms and relay considerations.
  • Page 41: Closing And Securing The Repeater

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL • The repeater can supply +15 VDC to an external alarm source through Pins 9 and 10. The maximum allowed load is 100 mA. Relay (Pins 11 and 12) can be connected to an external device to indicate an alarm.
  • Page 42: Getting Started

    • Run a browser and login according to the following section. USB Cable Figure 3-1. MBF-40 Controller Module Connection 2. Open the web browser and enter following IP address in address bar: 192.168.152.1. Cobham Wireless –...
  • Page 43: Opening An Indirect Session (Via The Omu Ii)

    • Local session– connect to the OMU II control module's USB or Ethernet ports. Enter the OMU II User Name (e.g., axell) and Password (provided by your system administrator). • After accessing an OMU II session, commission the MBF-40 according to the following section. Connect to EITHER the USB...
  • Page 44: Navigating The Web Interface

    PRODUCT DESCRIPTION AND USER’S MANUAL 3.2 Navigating the Web Interface MBF-40 is managed via web GUI, where the web GUI options differ according to the type of session. This section describes the following web GUI options: Home screen — always available when a session is opened to the repeater.
  • Page 45: Commissioning The Repeater

    MBF-40 Setup and Commissioning consists of the following 1. Opening an OMU II session – for accessing the MBF-40 configuration window (via OMU II) 2. Recommended — configuring the MBF-40 Tag (site identification). 3. Performing optical loss adjustment on the connected MBF-40 4.
  • Page 46: Defining Site Information - Mbf-40 Identification

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 3.3.1 Defining Site Information – MBF-40 Identification It is recommended to assign each MBF-40 a recognizable name that will identify the location, site name, etc. To set MBF-40 TAG 1. In the Home window, click the edit button next to Tag.
  • Page 47 MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL The OLA screen appears. Select Nodes for UL/DL Adjustment Rack#:Opto- Module F-DAS Remotes via Optic Splitter Figure 3-7. Configure and Initiate Optical Loss Adjustment The screen lists the OLA options (and status) for each link. The links are listed according to the OMU II slot to which the remote is connected.
  • Page 48: Rf Balancing

    PRODUCT DESCRIPTION AND USER’S MANUAL 3.3.3 RF Balancing The MBF-40 RF Balancing procedure can be performed manually (the automatic option specified in section 3.3.3.2 will be available in the future) via the OMU II web interface. 3.3.3.1 Manual RF Balancing NOTE: If connected locally, enter the MBF-40 Home screen and skip to step 2.
  • Page 49 Band Information UL Setting DL Setting Figure 3-9. Partial view of the MBF-40 Configuration window 2. In the Downlink: • Verify the Amplifier for each band is ON. • Set Attenuation to maximum value (15 dB). • Lower the Attenuation level step by step until the desired Output power level is reached (Zero attenuation = maximum gain).
  • Page 50 MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 3.3.3.2 Automatic MBF-40 RF Balancing NOTE: This feature will be available in future release. To access the Automatic RF Adjustment pane 1. Access the OMU II Home window and click on RF Adjustment.
  • Page 51: Integration Into The Aem

    3.3.4 Integration into the AEM NOTE: Integration into the AEM is only performed from the AEM side – no action is required from the MBF-40 side. The AEM automatically connects to the repeater and downloads all the repeater information. The AEM then configures the repeater with the IP address where alarms and reports should be sent to, and optionally with a secondary IP address where the repeater can connect to in case connection to primary IP fails.
  • Page 52: Direct Access Menu Options

    PRODUCT DESCRIPTION AND USER’S MANUAL DIRECT ACCESS MENU OPTIONS This chapter describes the menu options available ONLY when opening a direct session to the MBF-40. 4.1 Overview The available menu options can be used to configure remote management options and for detailed fault sourcing and troubleshooting.
  • Page 53: Configuration Screen Overview

    External Alarms Change password Used to update system login password for the logged-in user. See Section 4.5.3. Used to configure the time stamp for dating MBF-40 events. See Section 4.3.2. Date and Time Ethernet Used to define the IP Address for remote access via Ethernet. See section 0.
  • Page 54: General Parameters

    • 4.3.1 Viewing MBF-40 Site Identification and General Information The Site Information button provides access to MBF-40 hardware and software version information. To view MBF-40 Site Information Click the Config menu button and click on the icon. Two areas are displayed: Control Module –...
  • Page 55: Date & Time

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 4.3.2 Date & Time The repeater date and time are automatically set from the OMU II. However, the option for direct settings is available as well. To set the Date & Time: 1.
  • Page 56: Ip Address

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 4.3.4 IP Address This procedure describes how to set up the IP address either manually or configure for acquisition via DHCP (usually configured for local management options). To configure the IP address 1.
  • Page 57: Remote Communication Setup

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 4.4 Remote Communication Setup This section describes the Ethernet and SNMP setup. 4.4.1 TCP/IP and Ethernet 1. Click on the Config menu button. 2. From Device: Method select (Ethernet: TCP/IP). 3. Click Apply.
  • Page 58: Snmp Support

    PRODUCT DESCRIPTION AND USER’S MANUAL 4.4.2 SNMP Support The MBF-40 includes SNMP support, including an SNMP Agent and SNMP traps (alarms). All SNMP queries and traps are supported either via the OMU II or a direct connection to the unit.
  • Page 59: User Accounts

    3. Set the port and the Read-Only community. 4. Click Apply. 4.5 User Accounts The MBF-40 comes pre-configured with default usernames and passwords in the various administration levels. At the moment, updating user accounts is available only via command line interface (CLI) or Axell Shell. See the Common Commands and Attributes v2.4.0 document for detailed commands and syntax or click on the...
  • Page 60: User Access Levels

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 4.5.2 User Access Levels In this generation of the system, standard users can be promoted to login via the web Interface, inheriting the read-write or read-only access to this interface. There are five different access levels:...
  • Page 61: Reboot

    All configuration and management procedures can be implemented using this interface. Please refer to the Attribute Reference section (by clicking the Cofing button on the top right and selecting Attribute Reference – see Section 4.8) for detailed syntax and available commands. You may also consider viewing the “MBF-40 Commands and Attributes” document. Cobham Wireless –...
  • Page 62: Attribute Reference

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 4.8 Attribute Reference To access the Attribute Reference 1. Click on the Config button. 2. Select the “Attribute Reference” option. Figure 4-13. Attribute Reference Display The Attribute Reference lists all available CLI commands and includes details and examples on how to use MBF-40 Commands and Attributes the commands.
  • Page 63: Monitoring And Fault Sourcing

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL MONITORING AND FAULT SOURCING MBF-40 provides the following monitoring and fault sourcing options: Web GUI Home screen Advanced mode — shows general status of system and components • Web GUI Logs screen — provides logs of faults and operations •...
  • Page 64: Monitoring Via The Mbf-40 Home Screen

    PRODUCT DESCRIPTION AND USER’S MANUAL 5.1 Monitoring Via the MBF-40 Home Screen In addition to RF settings and readings, the MBF-40 Home screen provides detailed information on the operation status of internal modules. This information can be used to aid in remotely troubleshooting the Remote.
  • Page 65: General

    Temperature Current ambient temperature Name of Repeater, user customizable Door Status Green if closed Received Data Quality Check data for consistencies 5.1.2 Detailed view of the MBF-40 Figure 5-3. MBF-40 Repeater Status Cobham Wireless – Coverage Date: 31-May-18 www.cobham.com/wireless Page | 53 Doc.
  • Page 66 MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL Indicator Description Band Overall band status. Radio System Identifier Band(s) and technologies in use Comm DL/UL status Power Power indication Radio Board Firmware Firmware related error Radio Board Temp Radio board temperature indicator Amplifier Power Turn amp.
  • Page 67: Detailed View Of Fiber Optic Unit

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 5.1.3 Detailed view of Fiber Optic Unit Figure 5-4. MBF-40 F/O Status Indicator Description #Module Overall optic module status Comm Optic connection status Temperature Temperature level and status indicator Tx Opto...
  • Page 68: Logs Screen

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 5.2 Logs Screen The Alarms Log displays the last 100 alarms and/or user actions on the remote system in a chronological order. By hovering with the mouse over each alarm, full alarm details are available, including alarm descriptions, severities, alarm classes and time of event.
  • Page 69: Module Leds

    PRODUCT DESCRIPTION AND USER’S MANUAL 5.3 Module LEDs This section describes the LEDs of the internal modules. The modules are accessed if the remote is opened. An example of the MBF-40 model is shown in Figure 5-8. Power Supply LEDs...
  • Page 70: Control Module Leds

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 5.3.1 Control Module LEDs The Control Module has four LEDs which give information regarding the status of the MBF-40. The two LEDs “Modem Power” and “Modem Status” do not fill any function and can be disregarded.
  • Page 71: Power Supply Leds

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL 5.3.3 Power Supply LEDs This section provides a detailed description of the LEDs and fault examples. Input +15V +28V Power LED 1, Input Power, Green Slow flash Power supply unit operating on AC or DC...
  • Page 72: Maintenance

    • module replacement or other action to be taken. • If a shipment of a repeater back to Cobham Wireless is made within the period of guarantee the original packing must be used. • Component Replacement - None of the modules in the repeater can be replaced without removing the repeater from its mounting and opening the cover of the repeater.
  • Page 73: Appendix A - Specifications

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL APPENDIX A – SPECIFICATIONS Frequency Range Uplink (UL) Downlink (DL) Operational BW Composite Output Power UL/DL SMR900 896-902MHz 929-941MHz 6MHz/12MHz +37 dBm General Parameters Noise Figure 3 dB Typical (maximum gain) Ripple <2dB...
  • Page 74: Appendix B - F/O Cleaning Procedure

    MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL APPENDIX B – F/O CLEANING PROCEDURE NOTE: The process is demonstrated on an OMU F/O module and is similar to all F/O equipment supplied by Cobham Wireless. Tools Tool Description Illustration Fiberscope connected to a PC running the appropriate viewing software.
  • Page 75 MBF-40 SMR900 PS REPEATER PRODUCT DESCRIPTION AND USER’S MANUAL Dry F/O Cleaning Procedure: WARNING! Invisible laser radiation might be emitted from disconnected Fibers or connectors. Do not stare into beams or view directly with optical instruments. 1. Before cleaning the optical connectors on the OMU it is advisable to clean the connector of the mating cable being attached to the optical port.
  • Page 76 7. If the fibre is still dirty, go back to step 1 (wet cleaning) and repeat the entire process. NOTE: The entire wet/dry cleaning cycle should only be used twice, if the fiber is still dirty after two cycles of wet/dry cleaning seek advice from the Cobham Wireless Support Desk. Cobham Wireless –...

Table of Contents