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Telecommunications Options Supplemental Manual This manual describes the Telecommunications options for the Agilent 5071A Primary Frequency Standard. The information in this manual applies toinstruments with one or more telecommunications options having the number prefix listed below, unless accomplanied by a "Manual Updating Changes" package indicating otherwise.
Copyright Agilent Technologies, Inc. 1994, 2000 All Rights Reserved. Reproduction, adaptation, or translations without prior written permission is prohibited, except as allowed under the copyright laws. Printed: December 2000 Printed in USA Manual part number 05071-90042 Certification and Warranty Certification Agilent Technologies certifies that this product met its published specification at the time of shipment from the factory.
MANUAL UPDATING CHANGES CHANGE DATE: December 12, 2001 MANUAL UPDATING COVERAGE MANUAL IDENTIFICATION This supplement adapts your manual to Serial Numbers prefixed through: Instrument: Agilent 5071A Primary Frequency Standard Telecommunications Options Supplemental Manual US3930 Manual Print Date: December 2000 Manual Part Number: 05071-90042 ABOUT THIS SUPPLEMENT The information in this supplement is provided to correct manual errors and to adapt the manual to instruments containing changes after t
LIST OF EFFECTIVE PAGES SERIAL PREFIX, SERIAL # OR DATE CODE # PAGES All Serials ....................... 3-3. All Serials ....................... All pages.
Contents Preface How to Use This Manual v Instrument Identification v Instruments Covered by This Manual Manual Organization vi How to Order Manuals vi 1 vi Operating and Programming Introduction 1-2 Introducing the HP 5071A 1-2 HP 5071A Major Features 1-2 Operating The HP 5071A 1-2 Clock Functions 1-2 Getting Started 1-3 The HP 5071A at a Glance 1-3 Connectors 1-3 Rear Panel Connections 1-3 Starting The HP 5071A 1-6 Performing Basic Tasks 1-6 Synchronizing to an External 1 PPS Reference 1-6 Powering Dow
Contents Installation 1-10 Preparation for Use 1-10 Power Requirements 1-10 Bench Operation 1-10 Operating the HP 5071A From External Dc Power 1-10 Preparing the HP 5071A For External Dc Operation 1-11 Replacing the External Dc Input Power Fuse 1-11 Internal Standby Battery Maintenance 1-11 Long-Term Storage 1-11 2 Service Performance Tests 2-2 Service 2-3 Top-Level Diagnostic Tree Organization 2-4 Warmup and Fatal Error Diagnostic Tree 2-5 Advisory Messages 2-6 Assembly/Module Diagnostic Trees 2-8 A9
Contents 3 Specifications Supplemental Characteristics 3-2 Time Standard 3-2 Clock 1PPS Outputs 3-2 Clock Synchronization 3-2 Internal Standby Battery (Nominal Values) Environmental 2-9 Power Requirements 3-2 Weight 3-3 Accessories Furnished 3-3 dc input connector 3-3 Available Accessories and Options Options 3-4 3-2 3-4 v
Contents vi
Preface This manual provides operating, programming, and assembly-level service information for the HP 5071A Primary Frequency Standard Telecommunications options. How to Use This Manual Telecommunications option information is presented as changes, additions, and deletions to the material covered in the HP 5071A Operating and Programming and Assembly-Level Service manuals. The information appears in sequential order of occurrence corresponding to the subject headings that are affected by the options.
Preface Instruments Covered by This manual This manual applies to any HP 5071A Primary Frequency Standard that is equipped with one or more of the telecommunications options shown on the title page and has the same serial number prefix(es) also shown on the title page. If the serial number prefix of your standard differs from that listed on the title page of this manual, then there may be differences between this manual and your instrument.
1 Operating and Programming
Operating and Programming Introduction Introduction This section describes the additions, changes, and deletions to the information that appears in the introduction of the 5071A Operating and Programming manual.
Operating and Programming Getting Started Getting Started This section describes the additions, changes, and deletions to the information that appears in chapter 1 of the 5071A Operating and Programming manual. CHAPTER GUIDE Where to Find Important Topics Option 048: In the bulleted list delete: • Powering Down the 5071A 1-8 The 5071A at a Glance Connectors Any TCO Option: The paragraph immediately following item 8.
Operating and Programming Getting Started 5071A Rear Panel Connections (See Table 1-1 in this chapter for connector descriptions) 1 OPTIONS SERIAL PLATE 8 kHz Sync In TTL 50W OUTPUTS +13 dBm 50 W Sine Wave 5071A 8 kHz Sync Out ! RS - 232C (DTE) WARNING: TTL 50W To avold electric shock, do not remove covers. No user-serviceable parts inside. Refer all servicing to qualified personnel. Programmable outputs 5MHz or 10MHz 1 MHz Framed Output CAUTION: 92 100 kHz ! G.703/6 G.
Operating and Programming Getting Started 9 48 VDC Input Fuse: 2.5A 250V FUSE POWER/FUSE Line: 1 100VA MAX 00/120 V Fuse: Freq: 1.5 5 AT 0-400 Hz 5 220/240 V 0.8 AT 0-60 Hz CAUTION: For continued protection against fire, replace only with fuse of s ame type and ratings. 120 Vac ! Operating Voltage Range: 40 to 5 8 VDC Input 1 GND Input 2 48 VDC TELECOM OPTIONS: 48Volt 048 48 VDC 1.544 Mb/s 104 105 2.
Operating and Programming Getting Started Table 1-1 Rear-Panel Telecommunications Options Connections Item Number Function Connector Type Signal Characteristics 1 8 kHz Sync In BNC (F) 8 kHz, TTL level, into 50 Ω 2 8 kHz Sync Out BNC (F) 8 kHz, TTL level, into 50 Ω 3* Framed Output BNC (F) 4.8 V p-p max into 75 Ω (6V p-p into 100, or 120 Ω) 4* Sync Out BNC (F) 3 V p-p max into 75 Ω 5 Sync Out BNC (F) TTL level, into 50 Ω 6 Dc Power Fuse Cartridge Fuse Fuses external dc power, 2.
Operating and Programming Using the 5071A Using the 5071A This section describes the additions, changes, and deletions to the information that appears in chapter 2 of the 5071A Operating and Programming manual. CHAPTER GUIDE Any TCO Option: All references to 1 PPS outputs and Sync inputs are singular. Chapter Summary Option 048: In the bulleted list delete.
Operating and Programming In Case of Difficulty In Case of Difficulty This section describes the additions, changes, and deletions to the information that appears in chapter 3 of the 5071A Operating and Programming manual. Front-Panel Indicators and Messages Table 3-1. Front-Panel Status Lights Option 048: All references to internal-battery power, battery status, or battery operation are deleted. Operating System Failure Restarting the 5071A Option 048: Step 3 of the procedure is deleted.
Operating and Programming 5071A Command References 5071A Command References This section describes the additions, changes, and deletions to the information that appears in chapter 5 of the 5071A Operating and Programming manual. 5071A Command Summary SCPI Commands Table 5-2.
Operating and Programming Specifications Specifications Refer to chapter 3 of this manual for telecommunications options specification changes.
Operating and Programming Installation Installation This section describes the additions, changes, and deletions to the information that appears in chapter 7 of the 5071A Operating and Programming manual.
Operating and Programming Installation Preparing the RP 5071-A For External-Dc Operation Option 048: Delete the existing procedure and use the following procedure 1. Connect the positive (+) terminal of the 40 to 58 Vdc power to the + screw terminal of INPUT 1 on the rear-panel 5-terminal barrier strip. 2. Connect the minus (–) terminal of the 40 to 58 Vdc power to the – screw terminal of INPUT 1 on the rear-panel 5-terminal barrier strip. 3.
2 Assembly-Level Service
Assembly-Level Service Performance Tests Performance Tests This section describes the additions, changes, and deletions to the information that appears in chapter 1 of the 5071A Primary Frequency Standard Assembly-Level Service manual. 5071A Operational Verification Rear-Panel Output Signal Checks Any TCO Option: Step 2 at the top of page 1-9. second parenthetical sentence is changed and has an additional sentence: (Use manual settings if needed to check the front-panel 1 pps output.) Verify that the G.
Assembly-Level Service Service Service This section describes the additions, changes, and deletions to the information that appears in chapter 2 of the 5071A Primary Frequency Standard Assembly-Level Service manual. Assembly Identification and Location Table 2-2.
Assembly-Level Service Service Figure 2-1. Instrument Top View Option 048: The “Batteries (Hidden behind battery door)”callout is changed to: 48 Vdc Input Terminals and Fuse Top-Level Diagnostic Tree Organization Warning Message Diagnostic Tree (Diagnostic Subsection 4) Option 048: On page 2-15, item number “1.4.4 Power Source is Batt” is deleted and item “1.4.4.1” is changed to 1.4.4. Top-Level Diagnostic Tree (Diagnostic Section 1) 1.0.
Assembly-Level Service Service Warm-up and Fatal Error Diagnostic Tree (Diagnostic Subsection 3) 1.3.1.1 Operating Error-Code Interpretation Any TCO Option: On page 2-28, FIRST WORD message item 16 “SAW Osc unlocked” is changed to: 16. Unused bit, always 0 1.3.2.1 Cs Oven Failed: Ion Pump Overcurrent Warm-up Error Option 048: The If No response to the QUESTION, is changed to: The problem may have cleared itself, remove instrument power and retest. 1.3.2.
Assembly-Level Service Service 1.4.4.2.1 A1C4 Voltage Test Procedure Option 048: The QUESTION, is changed to: Is the voltage between 45 and 51 Vdc? 1.4.4.3 LF1/T1 Transformer Fault Verification Option 048: Step 2 text is changed to: Verify presence of 33 - 47 Vrms. The QUESTION: is changed to: Is the voltage between 33 - 47 Vrms? The T1 part number within If No response text to the QUESTION., is changed to: (9100-5134) Advisory Messages (Subsection 7) 1.7.
Assembly-Level Service Service 2.1.1.1.2 A11/A11 Cable Test Option 048: Step 2 text is changed to: Verify that the voltage present is between 45 and 51 Vdc with no more than 1 Vrms ripple. 2.1.1.1.3 A11/A11-A1 Cables Test Option 048: Step 2 text is changed to: Verify that the voltage present is between 45 and 51 Vdc with no more than 1 Vrms ripple. 2.1.1.1.4 A1CR3 Bridge Rectifier Test Option 048: Step 2 text is changed to: Verify that the voltage is at least 33 Vrms. 2.1.2.2.
Assembly-Level Service Service Assembly/Module Diagnostic Trees (Diagnostic Section 3) A8 Diagnostic Tree (A/M Subsection 3) 3.3.3 1 PPS Outputs Test Any TCO Option: Step 2 text is changed to: Use the oscilloscope with 50 Ω input termination to check for 20 microsecond pulses at a rate of one pulse per second at the external front-panel 1 PPS output connector. Step 3 text first sentence is changed to: Verify that the 1 PPS output level is: pulse low level less than 0.
Assembly-Level Service Service A9 Diagnostic Tree (A/M Subsection 4) 3.4.5.0 A9 Mon Signal Test Any TCO Option: This procedure is deleted. 3.4.6.0 A9 J4 80-MHz Signal Test Any TCO Option: This procedure is deleted. Any TCO Option: The following procedure is added: 4.4.4.1 A9-to-Chassis TCO Option signal Interconnect Test If one or more of the four rear-panel telecommunications outputs are absent or operating out of specification, use the following procedure to isolate the fault. 1 Remove instrument power.
Assembly-Level Service Theory of Operation Theory of Operation This section describes the additions, changes, and deletions to the information that appears in chapter 3 of the 5071A Primary Frequency Standard Assembly-Level Service manual.
Assembly-Level Service Theory of Operation Input/Output Block Any TCO Option: The first sentence of the second paragraph is changed to: The block also receives a front-panel Sync-input signal to synchronize the 1 pps output with an external system or event. Power Supply Block Option 048: The text is changed to: The power supply block provides the instrument with required internal dc power from either ac power or an external dc power source.
Assembly-Level Service Theory of Operation Figure 3-2. 5071 A Overall Block Diagram (Continued) Any TCO Option: The A8 1 PPS Assembly has the following input/output changes: Input B is deleted. Both rear-panel 1 PPS outputs are deleted. Option 048: The Power-Supply Block has the following changes: The DC Power input voltage is changed from 22-42V to 40-58V The B1 24V Battery and A11 Battery Charger are deleted.
Assembly-Level Service Theory of Operation Table 3-2.
Assembly-Level Service Theory of Operation Power Supply Block Option 048: The first sentence of the first paragraph at the top of page 3-22 is changed: The Power-Supply Block consists of LF1 line filter/cable assembly, T1 toroidal power transformer, A1 rectifier/crowbar/Ext dc input filter circuits, A11 power steering logic assembly, and A12 Dc-Dc powerconverter module.
Assembly-Level Service Theory of Operation Table 3-6. Power Supply Block Interconnections Option 048: The following signal name information in table 3-6 on page 3-23 is changed: • • • • The voltage range in the third row is changed from 22-42 Volts to 40-58 Volts. The voltage range in the fourth row is changed from 32-38 Volts to 45-51 Volts. The voltage range in the fifth and sixth row is changed from 22-42 Volts to 40-58 Volts.
Assembly-Level Service Theory of Operation A11 Power Steering Logic Assembly Option 048: The paragraph that describes the power-steering logic circuit on page 325 is changed: A11 directs the outputs of two power sources to the main instrument input bus in a hierarchical order. The two power sources are: 1) the external dc input and 2) the dc from the ac line (through a transformer, rectifier, and filter).
Assembly-Level Service Theory of Operation Option 048: The slot/module interconnect diagram on page 3-28 is changed: The J3 Low Current Steering Logic connector does not have +5 VDC, POWER FAIL, or BAT VALID signals present. 48V Subpanel Assembly The schematic diagram in figure 2-1 below illustrates the wiring of the 48V Subpanel Assembly. This assembly steers dc input power, and provides fuse protection for the external 48V external dc input power.
Assembly-Level Service Theory of Operation Figure 3-5. A1 Power-Supply Block Diagram Option 048: The Power Supply block diagram on page 3-30 is changed: • The Ext DC Input voltage is 40-58 VDC, • The F2 fuse rating is 2.5A, • The T1 toroidal power transformer part number is 9100-5134, • The P/O B1 battery packs are deleted, • The 05071-60226 battery connector assemblies are deleted, • The F1 fuse and series-connected diode on A11 are deleted.
Assembly-Level Service Replaceable Parts Replaceable Parts This section describes the additions, changes, and deletions to the information that appears in chapter 5 of the 5071A Primary Frequency Standard Assembly-Level Service manual. Exchange Assemblies Table 5-1.
Assembly-Level Service Replaceable Parts 2-20
Assembly-Level Service BACKDATING This section describes the additions, changes, and deletions to the information that appears in chapter 7 of the 5071A Primary Frequency Standard Assembly-Level Service manual.
Assembly-Level Service BACKDATING 2-22
3 Specifications
Specifications Supplemental Characteristics Supplemental Characteristics This section describes the additions, changes, and deletions to the information that appears in the Supplemental Characteristics section of the Specification chapter for either the HP 5071A Operating and Programming manual or the HP 5071A Assembly-Level Service manual. Time Standard Clock 1 PPS Outputs Any TCO Option: All references to 1 PPS Outputs are singular.
Specifications Supplemental Characteristics Weight Option 048: The following are changed: Net weight: 28 kg (61 lb.). Shipping weight: 38 kg (83 lb.).
Specifications Available Accessories and Options Available Accessories and Options This section describes the additions, changes, and deletions to the information that appears in the Available Accessories and Options section of the Specification chapter for either the HP 5071A Operating and Programming manual or the HP 5071A Assembly-Level Service manual. Option 048: The description for the HP 5089A has additional information: The HP 5089A will not power the HP 5071A when option 048 is present.
Service and Support Contacting Agilent Technologies: For more information about Agilent test and measurement products, applications, and services, visit our web site at http://www.agilent.com/services/English/index.html. Agilent’s Test and Measurement Fax Service for United States and Canada: Technical information for test and measurement products and services is available 24 hours a day, 7 days a week, by calling 1-800-800-5281.
Continued from front matter. . . Warranty (contd) Agilent does not warrant that the operation of Agilent products will be uninterrupted or error free. If Agilent is unable, within a reasonable time, to repair or replace any product to a condition as warranted, customer will be entitled to a refund of the purchase price upon prompt return of the product. Agilent products may contain remanufactured parts equivalent to new in performance or may have been subjected to incidental use.
DECLARATION OF CONFORMITY According to ISO/IEC Guide 22 and CEN/CENELEC EN 45014 Manufacturer’s Name: Agilent Technologies, Inc. Manufacturer’s Address Santa Clara Site 5301 Stevens Creek Boulevard Santa Clara, California 95052-8059 U.S.A. Declares, that the product Product Name: Primary Frequency Standard Model Number: 5071A Product Options: This declaration includes all product options.
Manual Part Number 05071-90042 Printed in U.S.A.
