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Comtech EF Data MBT-4000B User's Installation And Operation Manual

Multi-band transceiver system
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MBT-4000B
Multi-Band Transceiver System
Installation and Operation Manual
Part Number MN/MBT4000B.IOM
Revision 1
IMPORTANT NOTE: The information contained in this document supersedes all previously published
information regarding this product. Product specifications are subject to change without prior notice.
Part Number MN/MBT4000B.IOM Revision 1

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  • Page 1 MBT-4000B Multi-Band Transceiver System Installation and Operation Manual Part Number MN/MBT4000B.IOM Revision 1 IMPORTANT NOTE: The information contained in this document supersedes all previously published information regarding this product. Product specifications are subject to change without prior notice. Part Number MN/MBT4000B.IOM Revision 1...
  • Page 2 Copyright © 2013 Comtech EF Data. All rights reserved. Printed in the USA. Comtech EF Data, 2114 West 7th Street, Tempe, Arizona 85281 USA, 480.333.2200, FAX: 480.333.2161...

  • Page 3: Table Of Contents

    European Union Telecommunications Terminal Equipment Directive (91/263/EEC) ......xi CE Mark ..............................xi Product Support ..........................xi Comtech EF Data Headquarters ......................xi Warranty Policy ..........................xii 1 2 B 1 2 B L imitations of Warranty .......................... xii 1 3 B 1 3 B E xclusive Remedies ..........................xiii CHAPTER 1.

  • Page 4: Table Of Contents

    Table of Contents MN/MBT4000B.IOM CHAPTER 2. INSTALLATION ..................... 2–1 Unpacking and Inspecting the Shipment ................2–1 Installing the MBT-4000B ....................2–2 Operation ........................... 2–2 CHAPTER 3. EXTERNAL CONNECTORS ................3–1 External Connectors Overview .................... 3–1 MBT-4000B External Connectors ..................3–2 3.2.1 IF Signal Side Connections ......................
  • Page 5 MBT-4000B Multi-Band Transceiver System Revision 1 Table of Contents MN/MBT4000B.IOM CHAPTER 5. UPDATING FIRMWARE ................5–1 Introduction ........................5–1 Getting Started: Preparing for the Firmware Download ............5–2 Downloading and Extracting the Firmware Update .............. 5–6 Performing the FTP Upload Procedure ................. 5–9 CHAPTER 6.
  • Page 6 Table A-4. MBT-4000B Informational Events.................... A–4 Table A-5. BUC-4000 Informational Events ....................A–4 FIGURES Figure 1-1. Comtech EF Data MBT-4000B Multi-Band RF Transceiver ............1–1 Figure 1-2. MBT-4000B Typical Application Schematic ................1–2 Figure 1-3. Operational Diagram for Typical Chain Switched Redundancy ..........1–3 Figure 1-4.

  • Page 7: Preface

    This manual (CEFD P/N MN/MBT4000B.IOM) has been revised in its entirety to comply with current Comtech EF Data Technical Publications standards and practices. Comtech EF Data has reviewed this manual thoroughly in order to provide an easy-to-use guide to your equipment. All statements, technical information, and recommendations in this manual and...

  • Page 8: Safety And Compliance

    MBT-4000B Multi-Band Transceiver System Revision 1 Preface MN/MBT4000B.IOM Warnings, Cautions, and Notes A WARNING informs you about a possible hazard that MAY CAUSE DEATH or SERIOUS INJURY. A CAUTION informs you about a possible hazard that MAY CAUSE INJURY or PROPERTY DAMAGE.

  • Page 9: European Union Radio Equipment And Telecommunications Terminal Equipment (R&Tte) Directive (1999/5/Ec) And En 301 489-1

    MBT-4000B Multi-Band Transceiver System Revision 1 Preface MN/MBT4000B.IOM IF THE UNIT IS OPERATED IN A VEHICLE OR MOVABLE INSTALLATION, MAKE SURE THE UNIT IS STABLE. OTHERWISE, EN 60950 SAFETY IS NOT GUARANTEED. Electrical Installation CONNECT THE UNIT TO A POWER SYSTEM THAT HAS SEPARATE GROUND, LINE AND NEUTRAL CONDUCTORS.

  • Page 10: European Union Low Voltage Directive (Lvd) (2006/95/Ec)

    MBT-4000B Multi-Band Transceiver System Revision 1 Preface MN/MBT4000B.IOM • Immunity: EN 55024 – Information Technology Equipment: Immunity Characteristics, Limits, and Methods of Measurement. • EN 61000-3-2 – Harmonic Currents Emission • EN 61000-3-3 – Voltage Fluctuations and Flicker. • Federal Communications Commission Federal Code of Regulation FCC Part 15, Subpart B.

  • Page 11: European Union Telecommunications Terminal Equipment Directive (91/263/Eec)

    In accordance with the European Union Telecommunications Terminal Equipment Directive 91/263/EEC, the unit should not be directly connected to the Public Telecommunications Network. CE Mark Comtech EF Data declares that the unit meets the necessary requirements for the CE Mark. Product Support For all product support, please call: +1.240.243.1880 +1.866.472.3963 (toll free USA)

  • Page 12: Warranty Policy

    In most cases, the warranty period is two years. During the warranty period, Comtech EF Data will, at its option, repair or replace products that prove to be defective. Repairs are warranted for the remainder of the original warranty or a 90 day extended warranty, whichever is longer.
  • Page 13 A fixed charge established for each product will be imposed for all equipment returned for warranty repair where Comtech EF Data Corporation cannot identify the cause of the reported failure. Exclusive Remedies Comtech EF Data Corporation’s warranty, as stated is in lieu of all other warranties,...
  • Page 14 MBT-4000B Multi-Band Transceiver System Revision 1 Preface MN/MBT4000B.IOM Notes:...

  • Page 15: Chapter 1. Introduction

    Chapter 1. INTRODUCTION Overview Comtech EF Data’s MBT-4000BB Multi-Band RF Transceiver (Figure 1-1) is designed to perform C-, X-, or Ku-Band RF to L-Band down conversion and L-Band to C-, X-, Ku-, or Ka-Band RF up conversion. Figure 1-1. Comtech EF Data MBT-4000B Multi-Band RF Transceiver...

  • Page 16: System Overview

    System status verification via LEDs located behind a removable cover System Overview Figure 1-2 depicts the operation schematic for a typical MBT-4000B application. The MBT-4000B Multi-Band Tranceiver System is constructed in a modular configuration. Figure 1-2 illustrates the key components of this configuration. The transceiver is constructed in a modular configuration.

  • Page 17: Figure 1-3. Operational Diagram For Typical Chain Switched Redundancy

    MBT-4000 Multi-Band Transceiver System Revision 1 Introduction MN/MBT4000B.IOM Figure 1-3. Operational Diagram for Typical Chain Switched Redundancy 1–3...

  • Page 18: Summary Of Specifications

    Operational Humidity 5 to 95% non-condensing Operational Altitude 10,000 ft above sea level Prime Power 90 to 260 VAC, 47 to 63 Hz ODU: MBT-4000B Dimensions (excluding connectors) See Figure 1-4 1.4.2 BUC-4000 Block Up Converter ODU Input Frequency Range...

  • Page 19: Dimensional Envelope

    MBT-4000 Multi-Band Transceiver System Revision 1 Introduction MN/MBT4000B.IOM Dimensional Envelope All dimensions are in inches. Bracketed dimensions, where shown, are in metric units (mm). Figure 1-4. MBT-4000B Dimensional Envelope 1–5...
  • Page 20 MBT-4000 Multi-Band Transceiver System Revision 1 Introduction MN/MBT4000B.IOM Notes: 1–6...

  • Page 21: Chapter 2. Installation

    Check the packing list to ensure the shipment is complete. Inspect the equipment for any possible damage incurred during shipment. Contact the carrier and Comtech EF Data immediately to submit a damage report if damage is evident. Review this MBT-4000B Multi-Band Transceiver System Installation and Operation Manual carefully to become familiar with operation.

  • Page 22: Installing The Mbt-4000B

    Operation To change the band of operation, first disconnect the BUC Module cables and unlatch the module from the MBT-4000B Base Module. Then, remove the BUC module and replace it with the appropriate band-specific module. Once all pertinent connections have been made between the MBT-4000B and other equipment, see Chapter 4.

  • Page 23: Chapter 3. External Connectors

    Chapter 3. EXTERNAL CONNECTORS External Connectors Overview Connectors on the MBT-4000B Multi-Band Transceiver System (Figure 3-1) provide all necessary external connections between the transceiver and other equipment. (TOP) IF Side (BOTTOM) RF Side – Cable Loop Removed for Clarity Figure 3-1. MBT-4000B External Connectors...

  • Page 24: Mbt-4000B External Connectors

    MBT-4000B Multi-Band Transceiver System Revision 1 External Connectors MN/MBT4000B.IOM MBT-4000B External Connectors Table 3-1 summarizes the external connections and identifies the chapter sections providing connector pinout information. Table 3-1. MBT-4000B External Connectors Signal Side Module Name Sect. Function (Sect.) 3.2.1.1...

  • Page 25: If Signal Side Connections

    Revision 1 External Connectors MN/MBT4000B.IOM 3.2.1 IF Signal Side Connections (Cable Loop Removed for Clarity) Figure 3-2. MBT-4000B External Connectors – IF Signal Side 3.2.1.1 Ground Connector Use this #10-32 stud to connect a common chassis ground among equipment. 3.2.1.2 J1 | POWER Table 3-2.

  • Page 26: J2 | Comm

    External Connectors MN/MBT4000B.IOM 3.2.1.3 J2 | COMM Use the J2 | COMM 19-pin circular connector for serial-based remote monitor and control of the MBT-4000B Multi-Band Transceiver System. Table 3-3. J2 | COMM Connector Pinouts Signal EIA-485 Rx+ EIA-485 Rx- EIA-485 Tx+...

  • Page 27: J3 | Unit 1 Comm

    3.2.1.4 J3 | UNIT 1 COMM Use the J3 | UNIT 1 COMM connector to connect the MBT-4000B Base Module Unit 1 section to the BUC-4000 Block Up Converter Module J6 | COMM connector via the 15-15 Power & Signal Harness (CEFD P/N CA/WR10963-1), shown in Figure 3-3.

  • Page 28: J4 | If Switch

    J11 | L-BAND OUT UNIT 2 Use the J11 | L-BAND OUT UNIT 2 Type ‘N’ female connector to connect the MBT-4000B Base Module L-Band output signal output either to the modem Rx, or the Rx IF switch or 1:2 splitter/combiner in a 1:1 configuration.

  • Page 29: J6 | Comm (Buc-4000 Only)

    Use the J6 | COMM 15-pin circular connector, located on the BUC-4000 Block Up Converter Module, to connect the module, via the 15-15 Power & Signal Harness (CEFD P/N CA/WR10963-1), to the MBT-4000B Base Module J3 | UNIT 1 COMM connector. See Figure 3-3.

  • Page 30: Rf Signal Side Connectors

    3.2.2.1 J7 | REDUNDANT LOOP Use the J7 | REDUNDANT LOOP 19-pin circular connector to connect the MBT-4000B Base Module, via the Redundant Loop Bus Cable (CEFD P/N CA/WR11224), to another MBT-4000B Base Module in a 1:1 Redundancy configuration. Table 3-7. J7 | REDUNDANT LOOP Connector Pinouts...

  • Page 31: J12 | L-Band In

    MBT-4000B Base Module. 3.2.2.3 J9 | AUX COMM Use the J9 | AUX COMM 8-pin circular connector to connect a Solid-State Power Amplifier (SSPA) to the MBT-4000B Base Module. Table 3-8. J9 | AUX COMM Connector Pinouts Signal AUX Rx (+)A AUX Rx (–)A...

  • Page 32: J10 | Rf Switch

    J10 | RF SWITCH Use the J10 | RF SWITCH 6-pin circular connector to connect an RF Switch in a 1:1 configuration (e.g., connecting to two LNBs or SSPAs) to the MBT-4000B Base Module. Table 3-9. J10 | RF SWITCH Connector Pinouts...

  • Page 33: Chapter 4. System Operating Parameters

    Chapter 4. SYSTEM OPERATING PARAMETERS Overview An introduction to the Monitoring and Control (M&C) features of the MBT-4000B Multi-Band Transceiver, as well as the operating parameters for the BUC-4000 Block Up Converter, are provided in this chapter. Description The MBT- 4000B supports Low Noise Block Down Converters (LNBs) for Rx down conversion. It outputs +17VDC nominal and 10 MHz on the J12 | L-BAND IN connector.

  • Page 34: Remote Configuration, Monitoring And Control

    – one for each operational unit (module). Each LED provides the user with visual cues to the operational, online, and offline status of the sytem. Figure 4-1 illustrates the location of the LED Indicators. Located on the top of the MBT-4000B Base Module under a pivoting protective plate.

  • Page 35: Block Up Converter Module (Buc-4000) Operating Parameters

    MBT-4000B Multi-Band Transceiver System Revision 1 System Operating Parameters MN/MBT4000B.IOM Block Up Converter Module (BUC-4000) Operating Parameters The BUC-4000 translates an L-Band output carrier to the desired output frequency (C-, X-, Ku,- or Ka-Band) with an output level capable of driving a High-Power Amplifier (HPA).
  • Page 36 MBT-4000B Multi-Band Transceiver System Revision 1 System Operating Parameters MN/MBT4000B.IOM This page is intentionally blank. 4–4...

  • Page 37: Lnb Lo, Mix, And Spectrum Settings

    MBT-4000B Multi-Band Transceiver System Revision 1 System Operating Parameters MN/MBT4000B.IOM LNB LO, Mix, and Spectrum Settings 4.6.1 C-Band Table 4-2. LO and MIX Information for Demodulator and LNB for C-Band Min LNB Max LNB L-Band L-Band Demod Spectrum (Offset) Satellite...
  • Page 38 MBT-4000B Multi-Band Transceiver System Revision 1 System Operating Parameters MN/MBT4000B.IOM Notes: 4–6...

  • Page 39: Chapter 5. Updating Firmware

    If you need to update the firmware, you can acquire the download from Comtech EF Data Product Support via e-mail or on CD by standard mail delivery. The MBT-4000B Firmware Update process is as follows: ®...

  • Page 40: Getting Started: Preparing For The Firmware Download

    A Microsoft Windows-based PC equipped with an available serial port and a terminal emulator program (e.g., Tera Term or HyperTerminal) if needed. • A 9-pin to 19-pin serial adapter cable, such as the optional Comtech EF Data System Programming Cable (CEFD P/N CA/WR12243-1). 5–2...
  • Page 41 • Display New line Rx/Tx: CR • Local Echo = ON C. On the MBT-4000B – Power up the unit. Your power connection varies depending on your ordered unit. See Sect. 3.2.1.2 J1 | POWER in this manual for your specific power connectors.
  • Page 42 MBT-4000B Multi-band Transceiver System Revision 1 Updating Firmware /MBT4000B.IOM • Right-click anywhere on the desktop to open the popup submenu, and then select New > Folder to create the new, temporary folder on the desktop. • Right-click on the new folder and then select ‘Rename’ from the popup submenu.
  • Page 43 MBT-4000B Multi-band Transceiver System Revision 1 Updating Firmware MN/MBT4000B.IOM • First, click [Start] on the Windows taskbar, and then click the ‘Run...’ icon (or, depending on Windows OS versions prior to Windows 95, click the ‘MS-DOS Prompt’ icon from the Main Menu).

  • Page 44: Downloading And Extracting The Firmware Update

    /MBT4000B.IOM Downloading and Extracting the Firmware Update 1. First, download the firmware update file from the Comtech EF Data Web site: A. Go online to www.comtechefdata.com. B. On the Main page – Under Support Information or the Support tab, select the Software Downloads hyperlink.
  • Page 45 MBT-4000B Multi-band Transceiver System Revision 1 Updating Firmware MN/MBT4000B.IOM G. Download the archive file to the temporary folder. • Once the EXE or ZIP hyperlink is selected the ‘File Download’ window opens and prompts selection of [Open] or [Save]: o Click [Open] to turn over file extraction to the user-supplied utility program. Be sure to extract the firmware files to the ‘temp’...
  • Page 46 Type “cd c:\temp” at the Command-line prompt to change to the temporary directory created earlier using Command-line. • Type “dir” to list the files extracted to the temporary directory from the downloaded archive file. The firmware files have been successfully downloaded and are now available for transfer to the MBT-4000B. 5–8...

  • Page 47: Performing The Ftp Upload Procedure

    The PC is running a terminal emulation program (for operation of the MBT-4000B Serial Interface). • The latest firmware files have been downloaded or otherwise received from Comtech EF Data and are available on the User PC in an accessible temporary folder. Step Task Double-click FLSHCSAT.EXE...
  • Page 48 MBT-4000B Multi-band Transceiver System Revision 1 Updating Firmware /MBT4000B.IOM Step Task Before proceeding, the MBT-4000B system must be powered off. Disconnect the power cable from the Base Module, and then click [Start Upload] to resume the upload process. When prompted, reconnect the power cable to the Base Module.
  • Page 49 (muted) to indicate the current status of the unit. Note: If either LED illuminates RED, refer to Appendix B. FAULTS/EVENTS for further information. The MBT-4000B is now operating with its latest firmware. The firmware update process is now complete. 5–11...
  • Page 50 MBT-4000B Multi-band Transceiver System Revision 1 Updating Firmware /MBT4000B.IOM Notes: 5–12...

  • Page 51: Chapter 6. Serial-Based Remote Product Management

    Serial-based remote product management of Comtech EF Data’s MBT-4000B Multi-band Transceiver System is available using the MBT-4000B’s ‘J2 | COMM’ port. This chapter describes the protocol and message command set for remote monitor and control of the MBT-4000B Multi-Band Transceiver System.

  • Page 52: Eia-485

    MBT-4000B Multi-band Transceiver System Revision 1 Serial-based Remote Product Management MN/MBT4000B.IOM 6.2.1 EIA-485 For applications where multiple devices are to be monitored and controlled, a full-duplex (or 4-wire) EIA-485 is preferred. Half-duplex (2- wire) EIA-485 is possible, but is not preferred.

  • Page 53: Basic Protocol

    MBT-4000B Multi-band Transceiver System Revision 1 Serial-based Remote Product Management MN/MBT4000B.IOM 6.2.3 Basic Protocol Whether in EIA-232 or EIA-485 mode, all data is transmitted as asynchronous serial characters, suitable for transmission and reception by a UART. The character format should be 8N1 (8 data bits, no parity, 1 stop bit). The baud rate may vary from 2400 to 38400 baud.

  • Page 54: Start Of Packet

    The BUC sub-device may also be addressed by appending the corresponding sub-device address. The sub-device address for the BUC is ‘A1’. For example, a mute command addressed to the BUC attached to an MBT-4000B at address 0412 will be: <0412A1/MUT=1{CR} The format of the response will be: >0412A1/MUT={CR}{LF}...

  • Page 55: Instruction Code Qualifier

    MBT-4000B Multi-band Transceiver System Revision 1 Serial-based Remote Product Management MN/MBT4000B.IOM Both upper case and lower case alphabetic characters may be used (A-Z and a-z, ASCII codes 65-90 and 97-122). 6.2.4.5 Instruction Code Qualifier This single character further qualifies the preceding instruction code. Code Qualifiers obey the following rules: 1.

  • Page 56: Optional Message Arguments

    MBT-4000B Multi-band Transceiver System Revision 1 Serial-based Remote Product Management MN/MBT4000B.IOM 6.2.4.6 Optional Message Arguments Arguments are not required for all messages. Arguments are ASCII codes for the characters 0 to 9 (ASCII codes 48 to 57), period (ASCII code 46) and comma (ASCII code 44).

  • Page 57: Remote Commands And Queries

    Remote Commands and Queries Any command or query not accepted by the MBT-4000B Base Module must be addressed to BUC or BDC sub-units Column ‘C’=Command; Column ‘Q’=Query; columns marked ‘X’ designate instruction code as Command only, Query only, or Command/Query.
  • Page 58 This command takes no arguments. Concise AUX 5 bytes, numeric Query only. CAI= CAI?n CAI=nabcd COMM I/O Returns the Concise AUX COMM I/O of the MBT-4000B base unit, in the CAI? (see Description of form nabcd where: CAI* Arguments for n=1 (AUX COMM)
  • Page 59 MBT-4000B Multi-band Transceiver System Revision 1 Serial-based Remote Product Management MN/MBT4000B.IOM Arguments for Query Response to Command Valid on Description of Arguments Command or Response to Command (Instruction Query Parameter (Instruction Code MBT or (Note that all arguments are ASCII numeric codes – i.e., ASCII codes...
  • Page 60 MBT-4000B Multi-band Transceiver System Revision 1 Serial-based Remote Product Management MN/MBT4000B.IOM Arguments for Query Response to Command Valid on Description of Arguments Command or Response to Command (Instruction Query Parameter (Instruction Code MBT or (Note that all arguments are ASCII numeric codes – i.e., ASCII codes...
  • Page 61 MBT-4000B Multi-band Transceiver System Revision 1 Serial-based Remote Product Management MN/MBT4000B.IOM Arguments for Query Response to Command Valid on Description of Arguments Command or Response to Command (Instruction Query Parameter (Instruction Code MBT or (Note that all arguments are ASCII numeric codes – i.e., ASCII codes...
  • Page 62 Concise Utility 21 bytes Query only. CUS? CUS=x…x Status alphanumeric Returns the utility status of the MBT-4000B Base Unit, response is comma (see Description of delimited, in the form aaaa,bbbb where: Arguments for aaaa=Physical Address details) bbbb=Remote Baud Rate Example: <0001/CUS? >0001/CUS=aaaa,bbbb{cr}{lf}...
  • Page 63 MBT-4000B Multi-band Transceiver System Revision 1 Serial-based Remote Product Management MN/MBT4000B.IOM Arguments for Query Response to Command Valid on Description of Arguments Command or Response to Command (Instruction Query Parameter (Instruction Code MBT or (Note that all arguments are ASCII numeric codes – i.e., ASCII codes...
  • Page 64 MBT-4000B Multi-band Transceiver System Revision 1 Serial-based Remote Product Management MN/MBT4000B.IOM Arguments for Query Response to Command Valid on Description of Arguments Command or Response to Command (Instruction Query Parameter (Instruction Code MBT or (Note that all arguments are ASCII numeric codes – i.e., ASCII codes...
  • Page 65 MBT-4000B Multi-band Transceiver System Revision 1 Serial-based Remote Product Management MN/MBT4000B.IOM Arguments for Query Response to Command Valid on Description of Arguments Command or Response to Command (Instruction Query Parameter (Instruction Code MBT or (Note that all arguments are ASCII numeric codes – i.e., ASCII codes...
  • Page 66 <0001A2/ONL?{cr} >0001A2/ONL=1{cr}{lf} Retrieve 1 byte, numeric Query only. RAI= RAI?n RAI=x Used to Retrieve AUX COMM I/O of the MBT-4000B base unit, in the form RAI? (see Description of COMM I/O n, where: RAI* Arguments for n=1 (AUX COMM) details) Example: <0001/RAI?1...
  • Page 67 MBT-4000B Multi-band Transceiver System Revision 1 Serial-based Remote Product Management MN/MBT4000B.IOM Arguments for Query Response to Command Valid on Description of Arguments Command or Response to Command (Instruction Query Parameter (Instruction Code MBT or (Note that all arguments are ASCII numeric codes – i.e., ASCII codes...
  • Page 68 MBT-4000B Multi-band Transceiver System Revision 1 Serial-based Remote Product Management MN/MBT4000B.IOM Arguments for Query Response to Command Valid on Description of Arguments Command or Response to Command (Instruction Query Parameter (Instruction Code MBT or (Note that all arguments are ASCII numeric codes – i.e., ASCII codes...
  • Page 69 MBT-4000B Multi-band Transceiver System Revision 1 Serial-based Remote Product Management MN/MBT4000B.IOM Arguments for Query Response to Command Valid on Description of Arguments Command or Response to Command (Instruction Query Parameter (Instruction Code MBT or (Note that all arguments are ASCII numeric codes – i.e., ASCII codes...
  • Page 70 MBT-4000B Multi-band Transceiver System Revision 1 Serial-based Remote Product Management MN/MBT4000B.IOM Arguments for Query Response to Command Valid on Description of Arguments Command or Response to Command (Instruction Query Parameter (Instruction Code MBT or (Note that all arguments are ASCII numeric codes – i.e., ASCII codes...
  • Page 71 Remote Address SPA=xxxx 4 byte, numeric Command or Query. SPA= SPA? SPA=xxxx Sets or returns the Physical Address of the MBT-4000B base unit in the SPA? (same format as form xxxx, where: SPA! command xxxx=an address from 0001 to 9999, resolution=0001...
  • Page 72 MBT-4000B Multi-band Transceiver System Revision 1 Serial-based Remote Product Management MN/MBT4000B.IOM Arguments for Query Response to Command Valid on Description of Arguments Command or Response to Command (Instruction Query Parameter (Instruction Code MBT or (Note that all arguments are ASCII numeric codes – i.e., ASCII codes...

  • Page 73: Appendix A. Faults/Events

    A steadily-lit LED indicates that the specified unit is ONLINE. A blinking LED indicates that the specified unit is OFFLINE. The user is presented with MBT-4000B system status as per the following table: UNIT STATUS...

  • Page 74: Faults/Events

    If a Summary Fault occurs on the online unit of a redundant pair, the offline unit will detect the fault and assume online state. In all cases, a corresponding event message will be added to the event log. Table A-1. MBT-4000B Summary Faults Mnemonic Mute...

  • Page 75: Configurable Summary Faults

    MN/MBT4000B.IOM A.2.2 Configurable Summary Faults Configurable Summary Faults operate the same as Summary Faults, except Configurable Summary Faults may be enabled or disabled using remote commands. Table A-3. MBT-4000B Configurable Summary Faults Mnemonic Mute Description The IO1A/FAULT input (AUX COMM 1) indicates a fault. Monitoring for this fault is...

  • Page 76: Informational Events

    Appendix A MN/MBT4000B.IOM A.2.3 Informational Events Informational Events are operation conditions which may be important, but are not considered improper operation and will not cause a converter to mute. Table A-4. MBT-4000B Informational Events Mnemonic Mute Description LOG CLR None The Event LOG Queue was cleared in response to receipt of a CAA command.

  • Page 77: Appendix B. Redundancy Configuration / Operation

    The Bias Tee side of the MBT-4000B provides the 10 MHz reference and DC voltage for the LNB. This power supply features current monitoring with programmable failure limits. Overcurrent and undercurrent failures can participate in overall fault indication and redundant switchover criteria.

  • Page 78: Dual-Base (Chain) Redundancy Operation

    MBT-4000B Multi-Band Transceiver System Revision 1 Appendix B MN/MBT4000B.IOM Dual-Base (Chain) Redundancy Operation Figure B-1. Dual-Base (Chain) Redundancy Operation B–2...
  • Page 79 Position “B”. For a switchover to occur: 1. Both MBT-4000B base units must be set to Redundancy Mode 2. The RED=2 remote command must have been received by each base. 2. Both chains must be set to Automatic Mode. For example, if the redundant pair is on Slot 2 of the bases, the RAM=21 remote command must have been received by each base.

  • Page 80: External Fault Monitoring

    1 for enabled). LNB Power Supply Current Monitoring The bias tee in the MBT-4000B base is used to supply power and the 10 MHz reference to the LNB. This power supply features current monitoring with programmable failure limits. Overcurrent and undercurrent failures can participate in overall fault indication and redundant switchover criteria.

  • Page 81: Gain Equalization Of Redundant Units

    If a current is detected outside this window, an LNB current fault will be posted, but the supply will not be disabled. Gain Equalization of Redundant Units Gain equalization in an MBT-4000B system is accomplished by issuing individual attenuation settings to the specific BUCs. Redundancy Systems Check...
  • Page 82 MBT-4000B Multi-Band Transceiver System Revision 1 Appendix B MN/MBT4000B.IOM Step Task Power down MBT1. This should trip both switches to MBT2. Verify that both LEDs on MBT2 are solid green Power up MBT1. Verify that both LEDs on MBT2 are flashing green.
  • Page 83 MBT-4000B Multi-Band Transceiver System Revision 1 Appendix B MN/MBT4000B.IOM Step Task Connect the LNBs. Enable the LNB voltage by sending the LCS=21 remote command to both MBT bases. Verify the LNBs are drawing appropriate current by polling them with the RMS? remote query. Reported current for LNB2 should be in the 200 to 400 mA range.
  • Page 84 MBT-4000B Multi-Band Transceiver System Revision 1 Appendix B MN/MBT4000B.IOM Notes: B–8...
  • Page 86 2114 85281 WEST TH STREET TEMPE ARIZONA 480 • 333 • 2200 PHONE 480 • 333 • 2161...

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