Comtech EF Data MBT-5000 Operating instructions

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-MBT5000 Revision 4
MBT-5000
L-Band Up/Down Converter System
Installation and Operation Manual
Part Number MN-MBT5000
Revision 4

Copyright © 2014 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: [phone]

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TABLE OF CONTENTS
TABLE OF CONTENTS ............................................................................................................III
TABLES .................................................................................................................................VIII
FIGURES................................................................................................................................VIII
PREFACE.................................................................................................................................IX
Conventions and References .............................................................................................................ix
Patents and Trademarks .......................................................................................................................... ix
Warnings, Cautions, and Notes................................................................................................................ ix
Examples of Multi-Hazard Notices............................................................................................................ x
Recommended Standard Designations..................................................................................................... x
Safety and Compliance.......................................................................................................................x
Electrical Safety and Compliance.............................................................................................................. x
Electrical Installation................................................................................................................................ xi
Operating Environment ........................................................................................................................... xi
European Union Radio Equipment and Telecommunications Terminal Equipment (R&TTE) Directive
(1999/5/EC) and EN 301 489-1 ................................................................................................................ xi
European Union Electromagnetic Compatibility (EMC) Directive (2004/108/EC) ......................... xi
European Union Low Voltage Directive (LVD) (2006/95/EC).............................................................. xii
European Union RoHS Directive (2002/95/EC)...................................................................................xiii
European Union Telecommunications Terminal Equipment Directive (91/263/EEC)........................xiii
CE Mark ...............................................................................................................................................xiii
Product Support..............................................................................................................................xiii
Comtech EF Data Headquarters .......................................................................................................xiii
Warranty Policy ..............................................................................................................................xiii
Limitations of Warranty ..........................................................................................................................xiv
Exclusive Remedies ................................................................................................................................. xv
CHAPTER 1. INTRODUCTION............................................................................................1–1
1.1 Overview............................................................................................................................1–1
1.2 Functional Description ........................................................................................................1–1
1.3 Features .............................................................................................................................1–3
1.3.1 Block Upconverter (BUC-5000x) ........................................................................................... 1–3
1.3.2 Block Downcoverter (BDC-5000x)......................................................................................... 1–3

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1.4 Summary of Specifications ..................................................................................................1–4
1.4.1 Physical & Environmental .....................................................................................................1–4
1.4.2 Prime Power..........................................................................................................................1–4
1.4.3 Monitor & Control.................................................................................................................1–4
1.4.4 Reference ..............................................................................................................................1–4
1.4.5 BUC-5000xBlock Upconverters ............................................................................................1–5
1.4.6 BDC-5000xBlock Downconverters .......................................................................................1–6
1.5 Dimensional Envelope.........................................................................................................1–7
CHAPTER 2. INSTALLATION.............................................................................................2–1
2.1 Unpack and Inspect the Shipment .......................................................................................2–1
2.2 Install the Unit Into a Rack Enclosure...................................................................................2–2
2.2.1 Install the Optional Rear-Mounting Support Brackets Kit .................................................... 2–4
2.2.2 Install the Optional Bearingless Rack Slide Set .....................................................................2–5
CHAPTER 3. REAR PANEL CONNECTIONS.....................................................................3–1
3.1 Cabling Connection Types ...................................................................................................3–1
3.1.1 Coaxial Cable Connections....................................................................................................3–1
3.1.1.1 Type ‘BNC’.........................................................................................................................3–2
3.1.1.2 Type ‘TNC’ .........................................................................................................................3–2
3.1.1.3 Type ‘N’ ............................................................................................................................. 3–2
3.1.1.4 Type ‘F’.............................................................................................................................. 3–3
3.1.1.5 Type ‘SMA’ (Subminiature Version ‘A’)............................................................................. 3–3
3.1.2 D-Subminiature Cable Connections ...................................................................................... 3–3
3.1.3 RJ-45, RJ-48 Cable Connections ............................................................................................3–4
3.2 MBT-5000 Cabling Connections ...........................................................................................3–5
3.2.1 IF Connector Group...............................................................................................................3–6
3.2.1.1 ‘J4 | IF OUT/IN’ (Side B) Connector (Type ‘N’ Female) .....................................................3–6
3.2.1.2 ‘J5 | RF IN/OUT’ (Side B) Connector (Type ‘N’ Female) .................................................... 3–6
3.2.1.3 ‘J6 | IF OUT/IN’ (Side A) Connector (Type ‘N’ Female) .....................................................
3–6
3.2.1.4 ‘J7 | RF IN/OUT’ (Side A) Connector (Type ‘N’ Female) .................................................... 3–6
3.2.2 Optional Redundancy Groups ...............................................................................................3–7
3.2.2.1 Optional ‘RF’ Connectors (Type ‘SMA’ Female)................................................................ 3–7
3.2.2.2 Optional ‘IF’ Connectors (Type ‘SMA’ Female) ................................................................. 3–7
3.2.3 Utility Connector Group........................................................................................................ 3–7
3.2.3.1 ‘J2 | EXT REF IN’ – External Reference Input Connector (BNC-F) ..................................... 3–7
3.2.3.2 ‘J8 | EXT REF OUT’ – External Reference Output Connector (BNC-F)............................... 3–7
3.2.3.3 ‘J9 | 10/100 ETHERNET’ 10/100 BaseT M&C Port (RJ-45) ................................................3–8
3.2.3.4 ‘P1 | RELAY’ Summary Fault Output Connector (DB-9F) ..................................................3–8
3.2.3.5 ‘J1 | COM 1’ EIA-485/232 Interface Connector (DB-9F) ................................................... 3–9
3.3 MBT-5000 Ground and Power Connections........................................................................3–10

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3.3.1 Chassis Ground Interface ....................................................................................................3–10
3.3.2 Alternating Current (AC) Power Interfaces......................................................................... 3–10
3.3.2.1 Standard 90-260V Alternating Current (AC) Power Interface ........................................3–10
3.3.2.1.1 Standard 90-260V AC Operation – Apply Power ...................................................... 3–11
3.3.2.1.2 Standard 90-260V AC Operation – Replace the Fuses.............................................. 3–11
3.3.2.2 Optional Dual Entry Module Alternating Current (AC) Power Interface (Redundancy Units
Only) ......................................................................................................................................... 3–12
3.3.3 Optional -48V Direct Current (DC) Power Interface ...........................................................3–13
3.3.3.1 Optional -48V DC Operation – Apply Power...................................................................3–13
3.3.3.2 Optional -48V DC Operation – Replace the Fuse............................................................ 3–14
CHAPTER 4. UPGRADING FIRMWARE.............................................................................4–1
4.1 Overview............................................................................................................................4–1
4.1.1 About Firmware Files Naming, Versions, and Formats......................................................... 4–1
4.2 Getting Started: Prepare for the Firmware Download ..........................................................4–2
4.2.1 Download and Extract the Firmware Update .......................................................................4–6
4.2.2 Perform the Ethernet FTP Upload Procedure....................................................................... 4–8
CHAPTER 5. FRONT PANEL OPERATION........................................................................5–1
5.1 Overview............................................................................................................................5–1
5.1.1 Switch Power On (Rear Panel) .............................................................................................. 5–2
5.1.2 LED Indicators .......................................................................................................................5–2
5.1.3 Keypad...................................................................................................................................5–3
5.1.4 Vacuum Fluorescent Display (VFD) ....................................................................................... 5–3
5.1.4.1 Screen Saver...................................................................................................................... 5–3
5.1.4.2 Opening Screen................................................................................................................. 5–4
5.2 Front Panel Operation.........................................................................................................5–4
5.2.1 SELECT: (Main) Menu............................................................................................................ 5–5
5.2.2 SELECT: Config (Configuration) Menu Branches ...................................................................5–6
5.2.2.1 CONFIG: Remote (Remote Control) Menus ......................................................................
5–6
5.2.2.1.1 Remote Control: Local ................................................................................................5–6
5.2.2.1.2 Remote Control: Serial................................................................................................ 5–6
5.2.2.1.3 Remote Control: Ethernet...........................................................................................5–7
5.2.2.2 CONFIG: FltRec (Fault Recovery) Menu ............................................................................ 5–9
5.2.2.3 CONFIG: ConvA or ConvB (Converter ‘A’ or Converter ‘B’) Menus...................................5–9
5.2.2.3.1 Converter X: Mute/Freq............................................................................................5–10
5.2.2.3.2 Converter X: Attenuation..........................................................................................5–10
5.2.2.4 CONFIG: RefAdj (Reference Oscillator Adjustment) Menu.............................................5–10
5.2.2.5 CONFIG: Redun (Redundancy) Menus ............................................................................ 5–11
5.2.2.5.1 Redundancy Mode: Disable/Enable.......................................................................... 5–11
5.2.2.5.2 Redundancy Mode: Force......................................................................................... 5–11
5.2.3 SELECT: Monitor Menu Branch ........................................................................................... 5–12
5.2.3.1 Monitor: Faults................................................................................................................5–12

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5.2.3.2 Monitor: Mask.................................................................................................................5–12
5.2.3.2.1 Out-of-Range Power Supply Masking Using the PS Submenu.................................. 5–13
5.2.3.3 Monitor: Event-Log (Stored Events)................................................................................5–14
5.2.3.3.1 Stored Events: View.................................................................................................. 5–14
5.2.3.3.2 Stored Event: Clear-All.............................................................................................. 5–14
5.2.3.4 Monitor: LPT (Low Power Threshold) .............................................................................5–14
5.2.4 SELECT: Info (Information) Menu Branch ........................................................................... 5–16
5.2.4.1 INFO: Remote (Remote Control)..................................................................................... 5–16
5.2.4.2 INFO: ConvA (Converter ‘A’) or ConvB (Converter ‘B’) ................................................... 5–16
5.2.4.3 INFO: PSA or PSB (Power Supply ‘A’ or Power Supply ‘B’) .............................................. 5–17
5.2.4.4 INFO: RefOsc (Reference Oscillator) ...............................................................................5–17
5.2.5 SELECT: Utility Menu Branch...............................................................................................5–18
5.2.5.1 UTILITY: Date/Time (Set Real-time Clock)....................................................................... 5–18
5.2.5.2 UTILITY: CID (Circuit ID)................................................................................................... 5–18
5.2.5.3 UTILITY: Display (VFD Display Brightness).......................................................................5–19
5.2.5.4 UTILITY: Firmware ...........................................................................................................5–19
5.2.5.4.1 Firmware Images: Info ..............................................................................................5–19
5.2.5.4.2 Firmware Images: Select........................................................................................... 5–20
5.2.5.5 UTILITY: LNA.................................................................................................................... 5–20
5.2.5.5.1 LNA: ConvX (ConvA or ConvB) ..................................................................................5–20
5.2.6 SELECT: Test Menu Branch..................................................................................................5–21
CHAPTER 6. ETHERNET-BASED REMOTE PRODUCT MANAGEMENT .........................6–1
6.1 Overview............................................................................................................................6–1
6.2 Ethernet Management Interface Protocols ..........................................................................6–2
6.3 SNMP Interface...................................................................................................................6–3
6.3.1 Management Information Base (MIB) Files.......................................................................... 6–3
6.3.2 SNMP Community Strings ..................................................................................................... 6–3
6.3.3 SNMP Traps...........................................................................................................................
6–4
6.4 Telnet Interface ..................................................................................................................6–5
6.4.1 Telnet Operation via HyperTerminal ....................................................................................6–6
6.5 HTTP (Web Server) Interface ...............................................................................................6–7
6.5.1 Enable the Web Server Interface.......................................................................................... 6–7
6.5.2 User Login ............................................................................................................................. 6–8
6.5.3 Web Server Interface – Operational Features ......................................................................6–9
6.5.3.1 Navigation .........................................................................................................................6–9
6.5.3.2 Page Sections ....................................................................................................................6–9
6.5.3.3 Action Buttons .................................................................................................................. 6–9
6.5.3.4 Drop-down Lists ................................................................................................................ 6–9
6.5.3.5 Text or Data Entry ...........................................................................................................6–10
6.5.4 Web Server Interface – Menu Tree.....................................................................................6–10
6.5.5 Web Server Interface – Page Descriptions..........................................................................6–11

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6.5.5.1 Home Pages .................................................................................................................... 6–11
6.5.5.1.1 Home | Home ...........................................................................................................6–11
6.5.5.1.2 Home | Contact / Home | Support.........................................................................6–11
6.5.5.2 Admin Pages.................................................................................................................... 6–12
6.5.5.2.1 Admin | Access .........................................................................................................6–12
6.5.5.2.2 Admin | SNMP .......................................................................................................... 6–14
6.5.5.3 Config Pages....................................................................................................................6–15
6.5.5.3.1 Config | MBT............................................................................................................. 6–15
6.5.5.3.2 Config | Utility........................................................................................................... 6–18
6.5.5.3.3 Config | Redundancy ................................................................................................6–19
6.5.5.4 Status Pages ....................................................................................................................6–20
6.5.5.4.1 Status | Events.......................................................................................................... 6–20
6.5.5.4.2 Status | Status...........................................................................................................6–22
CHAPTER 7. SERIAL-BASED REMOTE PRODUCT MANAGEMENT ...............................7–1
7.1 Overview............................................................................................................................7–1
7.1.1 EIA-485 ..................................................................................................................................7–2
7.1.2 EIA-232 ..................................................................................................................................7–3
7.2 Remote Commands and Queries Overview ..........................................................................7–3
7.2.1 Basic Protocol........................................................................................................................ 7–3
7.2.2 Packet Structure....................................................................................................................7–4
7.2.2.1 Start of Packet................................................................................................................... 7–5
7.2.2.2 Target Address ..................................................................................................................7–5
7.2.2.3 Address Delimiter..............................................................................................................7–5
7.2.2.4 Instruction Code................................................................................................................ 7–6
7.2.2.5 Instruction Code Qualifier.................................................................................................7–6
7.2.2.6 Optional Message Arguments........................................................................................... 7–7
7.2.2.7 End of Packet .................................................................................................................... 7–7
7.3 Remote Commands and Queries .........................................................................................
7–8
7.3.1 MBT-5000 Base Unit Remote Commands and Queries ........................................................ 7–9
7.3.2 Block Converter (BUC / BDC) Remote Commands and Queries ......................................... 7–19
APPENDIX A. BUC-5000X/BDC-5000X MODULE REMOVAL/INSTALLATION................A–1
A.1 Overview ........................................................................................................................... A–1
A.2 Module Removal Procedure ............................................................................................... A–2
A.3 Module Installation Procedure ........................................................................................... A–5
APPENDIX B. MBT-5000 REDUNDANCY OPERATION....................................................B–1
B.1 Overview ............................................................................................................................B–1

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B.2 Configuration......................................................................................................................B–1
TABLES
Table 3-1. MBT-5000 Connectors ............................................................................................................. 3–5
Table 3-2. ‘J9 | 10/100 ETHERNET’ Connector Pinout.............................................................................. 3–8
Table 3-3. ‘P1 | RELAY’ Connector Pinout ................................................................................................ 3–8
Table 3-4. ‘J1 | COM1’ 2-Wire EIA-485 Interface Connector Pinout ........................................................ 3–9
Table 3-5. ‘J1 | COM1’ 4-Wire EIA-485 Interface Connector Pinout ........................................................3–9
Table 3-6. ‘J1 | COM1’ EIA-232 Interface Connector Pinout ....................................................................3–9
FIGURES
Figure 1-1. Comtech EF Data MBT-5000 L-Band Up/Down Converter ..................................................... 1–1
Figure 1-2. MBT-5000 Operational Schematics ........................................................................................1–2
Figure 1-3. MBT-5000 Dimensional Envelope........................................................................................... 1–7
Figure 2-1. Unpacking and Inspecting the MBT-5000...............................................................................2–1
Figure 2-2. Install the Unit into a Rack Enclosure ..................................................................................... 2–3
Figure 2-3. Optional Rear-Mounting Support Brackets Kit Installation....................................................2–4
Figure 2-4. Optional Bearingless Rack Slide Installation (FP/SL000X).......................................................2–6
Figure 3-1. Coaxial Connector Examples................................................................................................... 3–1
Figure 3-2. D-Subminiature Connector Examples.....................................................................................3–3
Figure 3-3. MBT-5000 Cabling Connections.............................................................................................. 3–5
Figure 3-4. MBT-5000 Chassis – Common Ground Interface.................................................................. 3–10
Figure 3-5. MBT-5000 Standard AC Power Interface..............................................................................3–10
Figure 3-6. Apply AC Power to the MBT-5000 ........................................................................................3–11
Figure 3-7. Replace the MBT-5000 AC Fuses ..........................................................................................3–11
Figure 3-8. MBT-5000 Optional Dual Entry Module AC Power Interface ............................................... 3–12
Figure 3-9. MBT-5000 Optional DC Power Interface ..............................................................................3–13
Figure 3-10. Apply DC Power to the MBT-5000......................................................................................3–13
Figure 3-11. Replace the MBT-5000 DC Fuse.......................................................................................... 3–14
Figure 5-1. MBT-5000 Front and Rear Panel Views (Redundant Unit Shown) ......................................... 5–1
Figure 5-2. MBT-5000 Rear Panel Power Interface Examples .................................................................. 5–2
Figure 5-3. MBT-5000 Front Panel Menu Tree (Firmware Ver. 2.5.1)...................................................... 5–4
Figure 6-1. Home | Home page ..............................................................................................................6–11
Figure 6-2. Admin | Access page ............................................................................................................ 6–12
Figure 6-3. Admin | SNMP page .............................................................................................................6–14
Figure 6-4. Config | MBT page ................................................................................................................6–15
Figure 6-5. Config | Utility page.............................................................................................................. 6–18
Figure 6-6. Config | Redundancy page....................................................................................................6–19
Figure 6-7. Status | Events page .............................................................................................................6–20
Figure 6-8. Status | Status page.............................................................................................................. 6–22
Figure A-1. BUC-5000x/BDC-5000x Module .............................................................................................A–1
Figure B-1. MBT-5000 Redundancy – Functional Schematics...................................................................B–2
Figure B-2. MBT-5000 Redundancy Cabling Requirements......................................................................B–3

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PREFACE
About this Manual
This manual provides installation and operation information for Comtech EF Data’s MBT-5000
L-Band Up/Down Converter System. This document is intended for the persons responsible for
the operation and maintenance of the MBT-5000.
Disclaimer
Comtech EF Data has reviewed this manual thoroughly in order to provide an easy-to-use guide to
this equipment. All statements, technical information, and recommendations in this manual and in
any guides or related documents are believed reliable, but the accuracy and completeness thereof
are not guaranteed or warranted, and they are not intended to be, nor should they be understood
to be, representations or warranties concerning the products described. Further, Comtech EF Data
reserves the right to make changes in the specifications of the products described in this manual at
any time without notice and without obligation to notify any person of such changes.
If there are any questions regarding this equipment or the information in this manual,
please contact Comtech EF Data Product Support.
Conventions and References
Patents and Trademarks
See all of Comtech EF Data's Patents and Patents Pending at http://patents.comtechefdata.com.
Comtech EF Data acknowledges that all trademarks are the property of the trademark owners.
Warnings, Cautions, and Notes
A WARNING informs you about a possible hazard that MAY CAUSE DEATH or
SERIOUS INJURY.

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A CAUTION informs you about a possible hazard that MAY CAUSE INJURY or
PROPERTY DAMAGE.
A NOTE gives you important information about a task or the equipment.
A REFERENCE
Examples of Multi-Hazard Notices
directs you to additional information about a task or the equipment.
Recommended Standard Designations
The new designation of the Electronic Industries Association (EIA) supersedes the Recommended
Standard (RS) designations. References to the old designations may be shown when depicting
actual text (e.g., RS-232) displayed on the MBT-5000 Web Server pages or serial remote interface.
All other references in the manual refer to EIA designations.
CAUTION – Carefully review the following information:
Safety and Compliance
Electrical Safety and Compliance
The unit complies with the EN 60950 Safety of Information Technology Equipment (Including
Electrical Business Machines) safety standard.
CAUTION – IF THE UNIT IS OPERATED IN A VEHICLE OR MOVABLE INSTALLATION,
MAKE SURE THE UNIT IS STABLE. OTHERWISE, EN 60950 SAFETY IS NOT
GUARANTEED.

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Electrical Installation
CAUTION – CONNECT THE UNIT TO A POWER SYSTEM THAT HAS SEPARATE GROUND,
LINE, AND NEUTRAL CONDUCTORS. DO NOT CONNECT THE UNIT WITHOUT A DIRECT
CONNECTION TO GROUND.
Chapter 3.3 MBT-5000 GROUND AND POWER CONNECTIONS
Operating Environment
CAUTION – DO NOT OPERATE THE UNIT IN ANY OF THESE EXTREME OPERATING
CONDITIONS:
•AMBIENT TEMPERATURES LESS THAN 0° C (32° F) OR MORE THAN 50° C (122° F).
•PRECIPITATION, CONDENSATION, OR HUMID ATMOSPHERES OF MORE THAN
95% RELATIVE HUMIDITY.
•UNPRESSURIZED ALTITUDES OF MORE THAN 2000 METRES (6561.7 FEET).
•EXCESSIVE DUST.
•FLAMMABLE GASES.
• CORROSIVE OR EXPLOSIVE ATMOSPHERES.
European Union Radio Equipment and Telecommunications Terminal
Equipment (R&TTE) Directive (1999/5/EC) and EN 301 489-1
Independent testing verifies that the unit complies with the European Union R&TTE Directive, its
reference to EN 301 489-1 (Electromagnetic compatibility and Radio spectrum Matters [ERM];
ElectroMagnetic Compatibility [EMC] standard for radio equipment and services, Part 1:
Common technical requirements), and the Declarations of Conformity for the applicable
directives, standards, and practices that follow:
European Union Electromagnetic Compatibility (EMC) Directive
(2004/108/EC)
•Emissions: EN 55022 Class B – Limits and Methods of Measurement of Radio Interference
Characteristics of Information Technology Equipment.
•Immunity: EN 55024 – Information Technology Equipment: Immunity Characteristics, Limits,
and Methods of Measurement.
•EN 61000-3-2 – Harmonic Currents Emission

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•EN 61000-3-3 – Voltage Fluctuations and Flicker.
•Federal Communications Commission Federal Code of Regulation FCC Part 15, Subpart B.
This equipment complies with the limits for a Class A digital device. These limits are
designed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment.
This equipment generates, uses, and can radiate radio frequency energy. Operation of this
equipment in a residential area is likely to cause harmful interference; in which case, users
are required to correct the interference at their own expense.
CAUTION – TO ENSURE THAT THE UNIT COMPLIES WITH THESE STANDARDS, OBEY
THESE INSTRUCTIONS:
•Use coaxial cable that is of good quality for connections to the L-Band Type ‘N’ Rx (receive)
female connector.
•Use Type 'D' connectors that have back-shells with continuous metallic shielding.
Type ‘D’ cabling must have a continuous outer shield (either foil or braid, or both). The
shield must be bonded to the back-shell.
•Operate the unit with its cover on at all times.
European Union Low Voltage Directive (LVD) (2006/95/EC)
Symbol Description
<HAR> Type of power cord required for use in the European Community.
!
CAUTION: Double-pole/Neutral Fusing
ACHTUNG: Zweipolige bzw. Neutralleiter-Sicherung
International Symbols
Symbol Definition Symbol Definition
Alternating Current
Protective Earth
Fuse
Chassis Ground
For additional symbols, refer to Warnings, Cautions and Notes listed earlier in this
Preface.

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European Union RoHS Directive (2002/95/EC)
This unit satisfies (with exemptions) the requirements specified in the European Union Directive
on the Restriction of Hazardous Substances in Electrical and Electronic Equipment (EU RoHS,
Directive 2002/95/EC).
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)
Comtech EF Data Headquarters
http://www.comtechefdata.com
Comtech EF Data Corp.
2114 West 7th Street
Tempe, Arizona USA 85281
+1.480.333.2200
Warranty Policy
Comtech EF Data products are warranted against defects in material and workmanship for
a specific period from the date of shipment, and this period varies by product. 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

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longer. Contact Comtech EF Data for the warranty period specific to the product
purchased.
For equipment under warranty, the owner is responsible for freight to Comtech EF Data
and all related customs, taxes, tariffs, insurance, etc. Comtech EF Data is responsible for
the freight charges only for return of the equipment from the factory to the owner.
Comtech EF Data will return the equipment by the same method (i.e., Air, Express,
Surface) as the equipment was sent to Comtech EF Data.
All equipment returned for warranty repair must have a valid RMA number issued prior
to return and be marked clearly on the return packaging. Comtech EF Data strongly
recommends all equipment be returned in its original packaging.
Comtech EF Data Corporation’s obligations under this warranty are limited to repair or
replacement of failed parts, and the return shipment to the buyer of the repaired or
replaced parts.
Limitations of Warranty
The warranty does not apply to any part of a product that has been installed, altered,
repaired, or misused in any way that, in the opinion of Comtech EF Data Corporation,
would affect the reliability or detracts from the performance of any part of the product,
or is damaged as the result of use in a way or with equipment that had not been
previously approved by Comtech EF Data Corporation.
The warranty does not apply to any product or parts thereof where the serial number or the
serial number of any of its parts has been altered, defaced, or removed.
The warranty does not cover damage or loss incurred in transportation of the product.
The warranty does not cover replacement or repair necessitated by loss or damage from
any cause beyond the control of Comtech EF Data Corporation, such as lightning or
other natural and weather related events or wartime environments.
The warranty does not cover any labor involved in the removal and or reinstallation of
warranted equipment or parts on site, or any labor required to diagnose the necessity
for repair or replacement.
The warranty excludes any responsibility by Comtech EF Data Corporation for incidental or
consequential damages arising from the use of the equipment or products, or for any
inability to use them either separate from or in combination with any other equipment or
products.

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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,
expressed, implied, or statutory, including those of merchantability and fitness for a
particular purpose. The buyer shall pass on to any purchaser, lessee, or other user of
Comtech EF Data Corporation’s products, the aforementioned warranty, and shall
indemnify and hold harmless Comtech EF Data Corporation from any claims or liability of
such purchaser, lessee, or user based upon allegations that the buyer, its agents, or
employees have made additional warranties or representations as to product preference or
use.
The remedies provided herein are the buyer’s sole and exclusive remedies. Comtech EF
Data shall not be liable for any direct, indirect, special, incidental, or consequential
damages, whether based on contract, tort, or any other legal theory.

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Notes:

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Chapter 1. INTRODUCTION
1.1 Overview
Comtech EF Data’s MBT-5000 L-Band Up/Down Converter System provides frequency
conversion between L-Band IF and C-/X-/Ku-Band RF frequencies.
The MBT-5000, shown in Figure 1-1, features a drop-down front panel providing access to two
upconverter modules, or two downconverter modules, or one of each.
Figure 1-1. Comtech EF Data MBT-5000 L-Band Up/Down Converter
1.2 Functional Description
The MBT-5000’s 1RU-high, 19-inch wide chassis is designed for rack mounting into a standard
19-inch equipment rack. Handles installed on the front panel facilitate ease of installation into
and removal from the equipment rack. The unit may be freestanding if desired.
All operator controls, indicators and displays for local and remote operation are located on the
front panel of the MBT-5000. The drop-down design of the front panel provides user access to
the two internal upconverter or downconverter modules.

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External interface connectors are located on the rear panel of the MBT-5000 chassis. External
equipment, e.g., a modem, is connected to each internal converter module via a standard, off-
the-shelf coaxial cable. A coaxial cable is also used to connect the output for each module to RF
equipment either at the same location or at the antenna location.
When configured with the redundancy option, the system may contain two diode “OR-ed”
internal power supplies for increased reliability and microprocessor-based Monitor and Control
(M&C) functionality.
Figure 1-2 depicts the operational schematics for typical MBT-5000 L-Band Up/Downconverter
System single thread (standalone) and redundant applications. For more information about the
MBT-5000’s use in redundant applications, see Appendix B. MBT-5000 REDUNDANCY
OPERATION.
MBT-5000 Single Thread (Standalone) Application
MBT-5000 Redundant Application (Single LNA Application shown)
Figure 1-2. MBT-5000 Operational Schematics

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1.3 Features
• Meets or exceeds IESS-308/309
• Low phase noise
• 20 dB gain adjustment
• Flexible configuration
• RF Band switching in minimal time without requiring tools
• Optional 1:1 Redundancy
1.3.1 Block Upconverter (BUC-5000x)
The BUC-5000xfield interchangeable upconverter module translates an L-Band input carrier to the
desired output frequency (C-Band, X-Band, or Ku-Band) with an output level capable of driving a
high-powered amplifier (HPA).
Note the following:
C-Band
5850 to 6425 MHz (Invert optional)
X-Band
7900 to 8400 MHz
Ku-Band
13.75 to 14.50 GHz
1.3.2 Block Downcoverter (BDC-5000x)
The BDC-5000xfield-interchangeable downconverter module translates a band-specific input
frequency block (C-Band, X-Band, or Ku-Band) from the LNA down to L-Band (950 to 2000 MHz).
Note the following:
C-Band
3400 to 4200 MHz (Non-Invert optional)
X-Band
7250 to 7750 MHz
Ku-Band
10.95 to 12.75 GHz

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1.4 Summary of Specifications
1.4.1 Physical & Environmental
Weight
15 lbs. (6.80 kg) Nominal
Dimensions (excluding connectors)
See Figure 1-3
Temperature
Operating
32º to 132.8ºF (0º to 56ºC)
Non-operating (Storage)
-58º to 158ºF (-50º to 70ºC)
Operational Altitude
15,000 ft above sea level
Shock
Normal commercial shipping and handling
1.4.2 Prime Power
Voltage
90 – 260 VAC, -48 VDC Optional
Frequency
47 to 63 Hz
Dissipation
60 Watts, typical
1.4.3 Monitor & Control
Serial M&C Interface
TIA/EIA-232, TIA/EIA-485, 4-wire
DB-9F
Alarm
Form C, DB-9F
Redundant Switch Connections
SMA Female
Remote Interface
RJ-45 Ethernet
1.4.4 Reference
External Input 5 or 10 MHz 0 ±5 dBm optional
BNC Female
Output
10 MHz Rear Panel
BNC Female
Internal Stability over Time ±1x10-9/Day
Stability over Temp
±
1x10
-8
/Day