MBT-4000B Multi-Band Transceiver System Installation and Operation Manual 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/MBT4000.
MBT-4000B Comtech EF Data is an ISO 9001 Registered Company. Multi-Band Transceiver System Installation and Operation Manual Part Number MN/MBT4000B.IOM Revision 0 June 2, 2006 Copyright © 2006Comtech EF Data, 2005. 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.
CUSTOMER SUPPORT Contact the Comtech EF Data Customer Support Department for: Product support or training Information on upgrading or returning a product Reporting comments or suggestions concerning manuals A Customer Support representative may be reached at: Comtech EF Data Attention: Customer Support Department 2114 West 7th Street Tempe, Arizona 85281 USA 480 333 2200 (Main Comtech EF Data Number) 480 333 4357 (Customer Support Desk) 480 333 2161 FAX or, E-Mail can be sent to the Customer Support Departm
Table of Contents CHAPTER 1. INTRODUCTION ................................................................................ 1–1 1.1 Overview ......................................................................................................................... 1–1 1.2 Functional Description .................................................................................................. 1–1 1.3 Specification...............................................................................................
Multi-Band Transceiver System Preface Revision 0 MN/MBT4000B.IOM CHAPTER 4. REDUNDANT CONFIGURATION ...................................................... 4–1 4.1 General............................................................................................................................ 4–1 4.2 Dual-Base (Chain) Redundancy Operation................................................................. 4–2 4.3 External Fault Monitoring ................................................................
Multi-Band Transceiver System Preface Revision 0 MN/MBT4000B.IOM Figures Figure 1-1. Figure 1-2. Figure 1-3. Figure 1-4. Figure 4-1. MBT-4000B Outdoor Multi-Band RF Transceiver ................................................ 1–1 MBT-4000B Typical Application ........................................................................... 1–2 MBT-4000B Dimensional Envelope....................................................................... 1–4 Typical, Chain Switched, Redundant Diagram.....................
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Multi-Band Transceiver System Preface Revision 0 MN/MBT4000B.IOM ABOUT THIS MANUAL This manual provides installation and operation information for the Comtech EF Data MBT-4000B, Multi-Band Transceiver System. This is a technical document intended for earth station engineers, technicians, and operators responsible for the operation and maintenance of the MBT-4000B, Multi-Band Transceiver System. CONVENTIONS AND REFERENCES CAUTIONS AND WARNINGS Indicates information critical for proper equipment function.
Multi-Band Transceiver System Preface Revision 0 MN/MBT4000B.IOM EMC COMPLIANCE This is a Class A product. In a domestic environment, it may cause radio interference that requires the user to take adequate protection measures. EN55022 COMPLIANCE This equipment meets the radio disturbance characteristic specifications for information technology equipment as defined in EN55022. EN50082-1 COMPLIANCE This equipment meets the electromagnetic compatibility/generic immunity standard as defined in EN50082-1.
Multi-Band Transceiver System Preface Revision 0 MN/MBT4000B.IOM SAFETY COMPLIANCE EN 60950 Applicable testing is routinely performed as a condition of manufacturing on all units to ensure compliance with safety requirements of EN60950. This equipment meets the Safety of Information Technology Equipment specification as defined in EN60950.
Multi-Band Transceiver System Preface Revision 0 MN/MBT4000B.IOM WARRANTY POLICY This Comtech EF Data product is warranted against defects in material and workmanship for a period of 2 years from the date of shipment. During the warranty period, Comtech EF Data will, at its option, repair or replace products that prove to be defective. For equipment under warranty, the customer is responsible for freight to Comtech EF Data and all related custom, taxes, tariffs, insurance, etc.
Chapter 1. Introduction Figure 1-1. MBT-4000B Outdoor Multi-Band RF Transceiver 1.1 OVERVIEW This manual provides instructions on the installation, operation and maintenance of the MBT-4000B, Multi-Band Transceiver System (MBT-4000B), manufactured by Comtech EF Data (CEFD). Specifications for this model are included in this section. 1.
Multi-Band Transceiver System Introduction Revision 0 Note: L-Band, 10 MHz, DC Bias. BIAST FROM LNB X To L-Band MODEM J12 J11 1:1 MBT SUBSYSTEM BUC X (SLOT 1) TO SSPA X From L-Band MODEM J4 J5 J10 J9 J7 J3 J5 UNIT X COMM TO RF SWITCH FROM SSPA X REDUNDANCY CONNECTION Figure 1-2.
Multi-Band Transceiver System Introduction Revision 0 MN/MBT4000B.IOM 1.3 SPECIFICATIONS 1.3.1 SUMMARY OF SPECIFICATIONS BUC-4000 ODU Characteristics Input Frequency Range Output Freq By Model: BUC-4000C BUC-4000X BUC-4000Ku BUC-4000Ka Specifications BUC-4000 ODU Characteristics Specification Environmental: 950–2000 MHz, 125 kHz steps (1 kHz optional) 5850-6650 MHz 7900-8400 MHz 13.75-14.50 GHz 30.00-31.00 GHz 27.50-28.50 GHz (optional) 28.50-29.50 GHz (optional) 29.50-30.
Multi-Band Transceiver System Introduction Revision 0 MN/MBT4000B.IOM 1.3.2 DIMENSIONAL ENVELOPE Figure 1-3.
Multi-Band Transceiver System Introduction Revision 0 MN/MBT4000B.IOM 1.3 SYSTEM OVERVIEW RF SWITCHES SHOWN IN POSITION B LNB2 BIAST TX REJECT FILTER LOAD 1:1 MBT SUBSYSTEM L-BAND OUT The transceiver is constructed in a modular configuration. Common to the configuration for any frequency band of operation is a base module, which provides the M&C, Power Supply, and Reference function. A Band-specific BUC module is mounted to the base module with clip-type fasteners.
Multi-Band Transceiver System Introduction Revision 0 MN/MBT4000B.
Chapter 2. Installation 2.1 UNPACKING AND INSPECTION Inspect shipping container for damage. If shipping containers are damaged, keep them until contents of shipment have been carefully inspected and checked for normal operation. Remove the packing list from the outside of the shipping carton. Open the carton and remove the contents, checking the contents against the packing list. Verify completeness of the shipment and that the unit functions correctly.
Multi-Band Transceiver System Installation Revision 0 MN/MBT4000B.IOM 2.2.1 COMM (J2) PIN CONNECTIONS Table 2-2.
Multi-Band Transceiver System Installation Revision 0 MN/MBT4000B.IOM 2.2.2 IF SWITCH (J4) PIN CONNECTIONS Table 2-3. IF Switch (J4) Pin Connections Pin IF Switch (J4) A POS 1 IF B GND C POS 2 IF D POS 1 IND IF E GND F POS 2 IND IF Mating Connectors: Cannon MS3116J10-6P CEFD CN/MS3116J10-6P 2.2.3 REDUNDANT LOOP (J7) PIN CONNECTIONS Table 2-4.
Multi-Band Transceiver System Installation Revision 0 MN/MBT4000B.IOM 2.2.4 AUX COMM 1 (J9) PIN CONNECTIONS Table 2-5. Aux Comm 1 (J9) Pin Connections Pin AUX COMM1 (J9) A AUX Rx + A B AUX Rx – A C AUX Tx + A D AUX Tx – A E +12.6V LNA A F IO1 A/Fault see Note 1 G IO1 B see Note 2 H GND Mating Connectors: Cannon MS3116J12-8P CN/MS3116J12-8P Notes: 1. Input from external amplifier. 2. Normally, an Input, when programmed as an output, this pin indicates Online/Offline status of Unit 1.
Multi-Band Transceiver System Installation Revision 0 MN/MBT4000B.IOM 2.2.5 RF SWITCH (J10) PIN CONNECTIONS Table 2-6.
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Chapter 3. System Operation 3.1 DESCRIPTION The MBT 4000B supports LNBs for receive down conversion. It outputs +17VDC nominal and 10 MHz on the “L-Band input” connector. The LNB amplifies the input RF signal and down converts it to L-Band in the range of 950 to 1750 MHz (there may be instances that the L-Band range = 950 to 1450 MHz ).
Multi-Band Transceiver System System Operation Revision 0 MN/MBT4000B.IOM 3.2 BLOCK UP CONVERTER (BUC-4000) The BUC-4000 translates an L-Band carrier to the desired output frequency (C, X-, or Ku- or Ka-), with an output level capable of driving an HPA. BUC-4000 C, X, Ku, Ka Band Frequency LO Frequency Inverting C-Band 5850 to 6650 MHz 4900 MHz No X-Band 7900 to 8400 MHz 6950 MHz No Ku-Band-W 13.75 to 14.50 GHz 12.800 GHz No Ka-Band 30.00 to 31.00 GHz Notes: 1. No spectral inversion 2.
Multi-Band Transceiver System System Operation Revision 0 MN/MBT4000B.IOM 3.3 LO, MIX AND SPECTRUM SETTINGS (LNB) 3.3.1 C-BAND Table 3-1. For C-Band: LO and MIX Information for Demodulator and LNB - Min LNB Satellite Frequency (MHz) 3,625.00 Max LNB Satellite Frequency (MHz) 4,200.00 L-Band Frequency At LNB Min (MHz) 1,525.00 L-Band Frequency At LNB Max (MHz) 950.00 Demod Spectrum (Utility Demod Menu) Invert Operating Voltage, V 18 RF Connector Type N 5,150.00 - 3,625.00 4,200.00 1,525.
Multi-Band Transceiver System System Operation Revision 0 MN/MBT4000B.IOM 3.3.2 KU-BAND Table 3-2. For Ku-Band: LO and MIX Information for Demodulator and LNB, Ku-Band LNB Part No. RF/LNB-10.9-11.7FE RF/LNB-11.7-12.2FE RF/LNB-12.2-12.7FE RF/LNB-10.9-11.7F03 RF/LNB-11.7-12.2F03 RF/LNB-12.2-12.7F03 Description 10.95 – 11.7 GHz Ext Ref 11.7 – 12.2 GHz Ext Ref 12.25 - 12.75 GHz Ext Ref 10.95 – 11.7 GHz ± 3 ppm 11.7 – 12.2 GHz ± 3 ppm 12.25 - 12.75 GHz ± 3 ppm + Min LNB Satellite Frequency (MHz) 10,950.
Chapter 4. 4.1 Redundant Configuration General The MBT-4000B is designed to operate in both stand-alone and redundant configurations. Every MBT-4000B base contains the circuitry and logic necessary to perform all the functions of a backup controller in either a single base and dual base configuration. 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.
Multi-Band Transceiver System Redundant Configuration Dual Base (Chain) Redundancy Operation RF SWITCHES SHOWN IN POSITION B LNB2 BIAST TX REJECT FILTER LOAD 1:1 MBT SUBSYSTEM L-BAND OUT Refer to Figure 4-1 of typical Dual Base (Chain) Redundancy configuration.
Multi-Band Transceiver System Redundant Configuration Revision 0 MN/MBT4000B.IOM For a switchover to occur: 4.3 • Both MBT-4000B base units must be set to redundancy mode 2, the RED=2 command must have been received by each base. • Both chains must be set to automatic mode. For example, if the redundant pair is on Slot 2 of the bases, the command RAM=21 must have been received by each base. • The corresponding standby chain must not be in faulted state.
Multi-Band Transceiver System Redundant Configuration Revision 0 MN/MBT4000B.IOM The following commands and rules configure operation of this feature. Step 1 2 3 4 4.5 Procedures The power supply provides +18V with a 450 mA current limit. The bias tee supply is controlled by issuing the ‘LCS=2m’ command as follows: a. ‘‘m’ is the mode. Valid values are 0=OFF or 1=ON. In case of excessive current (more than 450 mA), the supply will be disabled and a fault will be posted.
Multi-Band Transceiver System Redundant Configuration 4.7 Revision 0 MN/MBT4000B.IOM Redundany Systems Check Step Procedure 1 Set up two MBTs with BUCs installed in slot one. Note: The BUCs must match. 2 Using a multi-drop 485 connection, set the comm. address of one MBT to one(<”current address”/SPA=0001) and the comm. address of the other MBT to two(<”current address”/SPA=0002.
Multi-Band Transceiver System Redundant Configuration Step Revision 0 MN/MBT4000B.IOM Procedure 14 Verify that both LEDs on MBT A are solid green. 15 Power up MBT B 16 Verify that both LEDs on MBT B are flashing green. 17 Power down MBT A. 18 This should have forced both switches to throw to MBT B. 19 Verify that both LEDs on MBT B are solid green 20 Power up MBT A. 21 Verify that both LEDs on MBT A are flashing green.
Multi-Band Transceiver System Redundant Configuration Step Revision 0 MN/MBT4000B.IOM Procedure 33 Enable external fault monitoring by sending an EAM=11 command to both base units. 34 Fault the online SSPA by removing its power and confirm LED one of the associate MBT is red(indicates fault detected” and blinking(indicates the switch has thrown and is now offline). Restore the system and repeat for the second amplifier. 35 If the online/offline control line(Pin G of the Aux comm.
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Appendix A. Remote Control This section describes the protocol and message command set for remote monitor and control of the MBT 4000B. The electrical interface is either an RS-485 multi-drop bus (for the control of many devices) or an RS-232 connection (for the control of a single device), and data is transmitted in asynchronous serial form, using ASCII characters.
Multi-Band Transceiver System Remote Command Revision 0 MN/MBT4000B.IOM RS-485 (full duplex) summary: Two differential pairs one pair for controller to target one pair for target to controller Controller-to-target pair one line driver (controller) and all targets have linereceivers. Target-to-controller pair one line receiver (controller) and all targets have tristate drivers. A.
Multi-Band Transceiver System Remote Command Revision 0 MN/MBT4000B.IOM A.
Multi-Band Transceiver System Remote Command Revision 0 MN/MBT4000B.IOM The format of the response will be: >0412A1/MUT={CR}{LF} Sub-device addresses cannot be changed. IMPORTANT The controller sends a packet with the address of a target - the destination of the packet. When the target responds, the address used is the same address, to indicate to the controller the source of the packet. The controller does not have its own address. A.4.
Multi-Band Transceiver System Remote Command 2. Revision 0 MN/MBT4000B.
Multi-Band Transceiver System Remote Command Revision 0 MN/MBT4000B.IOM A.4.5 MESSAGE ARGUMENTS Arguments are not required for all messages. Arguments are ASCII codes for the characters 0 to 9 (ASCII 48 to 57), period (ASCII 46) and comma (ASCII 44). A.4.6 END OF PACKET Controller to Target: This is the ‘Carriage Return’ character (ASCII code 13). Target to Controller: This is the two-character sequence ‘Carriage Return’, ‘Line Feed’. (ASCII code 13, and code 10.
Multi-Band Transceiver System Remote Command Revision 0 MN/MBT4000B.IOM A.
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Multi-Band Transceiver System Remote Command Parameter Type Automatic Fault Recovery State Command (Instruction Code and qualifier) AFR=x Valid on MBT, BDC, or BUC All Revision 0 MN/MBT4000B.IOM Arguments for Command or Response to Query 1 byte, value of 0, 1 Description of arguments (Note that all arguments are ASCII numeric codes, that is, ASCII codes between 48 and 57) Command or Query. Enable Automatic Fault Recovery on a BXC as follows: 0=Disabled 1=Enabled Example: AFR=1 Attenuation ATT=xx.
Multi-Band Transceiver System Remote Command Parameter Type Concise AUX COMM I/O Command (Instruction Code and Qualifier) Valid on MBT, BDC, or BUC N/A MBT Revision 0 MN/MBT4000B.IOM Arguments for Command or Response to Query n=Slot 1=AUX COMM 1 Description of arguments (Note that all arguments are ASCII numeric codes, that is, ASCII codes between 48 and 57) Query only.
Multi-Band Transceiver System Remote Command Parameter Type Concise Alarm Status Command (Instruction Code and qualifier) Valid on MBT, BDC, or BUC N/A All Revision 0 MN/MBT4000B.IOM Arguments for Command or Response to Query 20 bytes, numeric Description of arguments (Note that all arguments are ASCII numeric codes, that is, ASCII codes between 48 and 57) Query only. Used to query the alarm status of the unit.
Multi-Band Transceiver System Remote Command Parameter Type Concise Configuration Status Command (Instruction Code and qualifier) N/A Valid on MBT, BDC, or BUC All Revision 0 MN/MBT4000B.IOM Arguments for Command or Response to Query 48 bytes (BDC) 41 bytes (BUC) 32 bytes (MBT) alphanumeric Description of arguments (Note that all arguments are ASCII numeric codes, that is, ASCII codes between 48 and 57) Query only. Returns the summarized version of RCS.
Multi-Band Transceiver System Remote Command Parameter Type Circuit Identification Calibrate LNA Current Command (Instruction Code and qualifier) CID= CLC=s Valid on MBT, BDC, or BUC All MBT BDC Revision 0 MN/MBT4000B.
Multi-Band Transceiver System Remote Command Parameter Type Concise Maintenance Status Command (Instruction Code and qualifier) N/A Valid on MBT, BDC, or BUC All Revision 0 MN/MBT4000B.
Multi-Band Transceiver System Remote Command Parameter Type Concise Utility Status Command (Instruction Code and qualifier) N/A Revision 0 MN/MBT4000B.IOM Valid on MBT, BDC, or BUC MBT Arguments for Command or Response to Query 21 bytes alphanumeric Description of arguments (Note that all arguments are ASCII numeric codes, that is, ASCII codes between 48 and 57) Query only. Used to query the utility status of the MBT-4000 Base Unit, response is comma delimited.
Multi-Band Transceiver System Remote Command Parameter Type Command (Instruction Code and qualifier) Operating RF Frequency FRE=xxxxx. xxx Valid on MBT, BDC, or BUC BDC BUC Revision 0 MN/MBT4000B.IOM Arguments for Command or Response to Query 9 bytes, numeric Description of arguments (Note that all arguments are ASCII numeric codes, that is, ASCII codes between 48 and 57) Command or Query Valid Operating RF frequency, in MHz.
Multi-Band Transceiver System Remote Command Parameter Type LNA/LNB Current Window Command (Instruction Code and qualifier) LCW=sxx Valid on MBT, BDC, or BUC MBT BDC Revision 0 MN/MBT4000B.IOM Arguments for Command or Response to Query Description of arguments (Note that all arguments are ASCII numeric codes, that is, ASCII codes between 48 and 57) s=1 byte, value of 1, 2 1=LNA A 2=LNA B Command or Query.
Multi-Band Transceiver System Remote Command Parameter Type Retrieve next 5 unread Stored Alarms Command (Instruction Code and qualifier) N/A Valid on MBT, BDC, or BUC All Revision 0 MN/MBT4000B.IOM Arguments for Command or Response to Query Description of arguments (Note that all arguments are ASCII numeric codes, that is, ASCII codes between 48 and 57) 145 bytes Query only The unit returns the oldest 5 Stored Events, which have not yet been read over the remote control.
Multi-Band Transceiver System Remote Command Bias Tee Mute State MSP=x MBT Revision 0 MN/MBT4000B.IOM 1 byte, value of 0,1 Command or Query. Mute the unit, where: 0 = Disabled, 1 = Enabled Example: MSP=1 would mute the LNB bias tee A-19 MSP= (message ok) MSP? (received ok, but invalid arguments found) MSP* (message ok, but not permitted in current mode) MSP! (Command not accepted by BUC or BDC sub-units.
Multi-Band Transceiver System Remote Command Parameter Type Command (Instruction Code and qualifier) Online Status N/A Valid on MBT, BDC, or BUC All Revision 0 MN/MBT4000B.IOM Arguments for Command or Response to Query Description of arguments (Note that all arguments are ASCII numeric codes, that is, ASCII codes between 48 and 57) N/A Query only. Used to query the online status of the unit (useful in redundant configurations). Return position of corresponding RF switch.
Multi-Band Transceiver System Remote Command Parameter Type Retrieve AUX COMM I/O Command (Instruction Code and qualifier) N/A Valid on MBT, BDC, or BUC MBT Revision 0 MN/MBT4000B.IOM Arguments for Command or Response to Query Description of arguments (Note that all arguments are ASCII numeric codes, that is, ASCII codes between 48 and 57) 1 byte, value of n=1 1=Aux Comm1 Query only. Used to Retrieve AUX COMM I/O of the MBT-4000B base unit.
Multi-Band Transceiver System Remote Command Parameter Type Retrieve Alarm Status Command (Instruction Code and qualifier) N/A Valid on MBT, BDC, or BUC All Revision 0 MN/MBT4000B.IOM Arguments for Command or Response to Query Description of arguments (Note that all arguments are ASCII numeric codes, that is, ASCII codes between 48 and 57) 92 bytes MBT4000B 64 bytes (BUC), 74 bytes (BDC), alphanumeric Query only.
Multi-Band Transceiver System Remote Command Parameter Type Retrieve Configuration Status Command (Instruction Code and qualifier) N/A Valid on MBT, BDC, or BUC All Revision 0 MN/MBT4000B.IOM Arguments for Command or Response to Query Description of arguments (Note that all arguments are ASCII numeric codes, that is, ASCII codes between 48 and 57) 65 bytes (MBT4000B) 98 bytes (BDC), 76 bytes (BUC) alphanumeric Query only.
Multi-Band Transceiver System Remote Command Parameter Type Redundancy State Command (Instruction Code and qualifier) RED=x Valid on MBT, BDC, or BUC MBT Revision 0 MN/MBT4000B.IOM Arguments for Command or Response to Query Description of arguments (Note that all arguments are ASCII numeric codes, that is, ASCII codes between 48 and 57) 1 byte, value of 0,1, or 2 Command or Query. Controls redundancy state.
Multi-Band Transceiver System Remote Command Parameter Type Retrieve Maintenance Status Command (Instruction Code and qualifier) N/A Valid on MBT, BDC, or BUC All Revision 0 MN/MBT4000B.IOM Arguments for Command or Response to Query MBT-4000B 103 bytes, alphanumeric BDC – 98 bytes, alphanumeric BUC – 98 bytes, alphanumeric Description of arguments (Note that all arguments are ASCII numeric codes, that is, ASCII codes between 48 and 57) Query only. Used to Query the maintenance status of the unit.
Multi-Band Transceiver System Remote Command Parameter Type Command (Instruction Code and qualifier) Serial Number N/A Valid on MBT, BDC, or BUC All Revision 0 MN/MBT4000B.IOM Arguments for Command or Response to Query Description of arguments (Note that all arguments are ASCII numeric codes, that is, ASCII codes between 48 and 57) 9 bytes, numeric 000000000 to 999999999 Query only. Used to Query the units 9 digit serial number. Slave returns its S/N, in the form xxxxxxxxx.
Multi-Band Transceiver System Remote Command Parameter Type Command (Instruction Code and qualifier) Slope Adjust SSA=x.x Valid on MBT, BDC, or BUC BDC BUC Revision 0 MN/MBT4000B.IOM Arguments for Command or Response to Query Description of arguments (Note that all arguments are ASCII numeric codes, that is, ASCII codes between 48 and 57) 3 bytes, numeric Command or Query. Slope adjust level, valid from 0.0 to 1.0 with 0.1 resolution. Example: SSA=0.
Multi-Band Transceiver System Remote Command Parameter Type Retrieve Number of unread Stored Alarms Command (Instruction Code and qualifier) N/A Valid on MBT, BDC, or BUC All Revision 0 MN/MBT4000B.IOM Arguments for Command or Response to Query Description of arguments (Note that all arguments are ASCII numeric codes, that is, ASCII codes between 48 and 57) 2 bytes, numeric Query only. Returns the number of Stored Events, which remain unread, in the form xx.
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Appendix B. Faults/Events There are three types of Faults/Events that may occur and be recorded in the event log of an MBT-4000B or BUC-4000. These are: • • • Summary Faults Configurable Summary Faults Informational Events Summary Faults indicate improper operation. When a Summary Fault condition occurs: The Summary Fault Relay will be de-energized. If a Summary Fault occurs on a converter, it will mute.
Multi-Band Transceiver System Faults/Events Revision 0 MN/MBT4000B.IOM Table B-1. MBT-4000B Summary Faults Mnemonic 15V PS1 Type Summary Fault Mute All Description The 15 volt power supply is out of tolerance. 28V PS1 Summary Fault All The 28 volt power supply is out of tolerance. 5VT PS1 Summary Fault All The 5 volt power supply is out of tolerance. 7V5 PS1 Summary Fault All The 7.5 volt power supply is out of tolerance.
Multi-Band Transceiver System Faults/Events Revision 0 MN/MBT4000B.IOM Table B-4. BUC-4000 Summary Faults Mnemonic 15V SUP Type Summary Fault Description The 15 volt power supply is out of tolerance. 5VT SUP Summary Fault The 5 volt power supply is out of tolerance. 7V5 SUP Summary Fault The 7.5 volt power supply is out of tolerance. OVR TMP Summary Fault The maximum operating temperature has been exceeded. PLL LD Summary Fault The PLL has lost lock. Table B-5.
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METRIC CONVERSIONS Units of Length Unit Centimeter Inch Foot Yard Mile Meter Kilometer Millimeter 1 centimeter — 0.3937 0.03281 0.01094 6.214 x 10-6 0.01 — — 1 inch 2.540 — 0.08333 0.2778 1.578 x 10-5 0.254 — 25.4 1 foot 30.480 12.0 — 0.3333 1.893 x 10-4 0.3048 — — 1 yard 91.44 36.0 3.0 — 5.679 x 10-4 0.9144 — — 1 meter 100.0 39.37 3.281 1.094 6.214 x 10-4 — — — 1 mile 1.609 x 105 6.336 x 104 5.280 x 103 1.760 x 103 — 1.609 x 103 1.
2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 • 333 • 2200 PHONE 480 • 333 • 2161 FAX
