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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.
SERIAL NUMBER PREFIX: 3249A and above
Options: 048, 104, 105, 220, 221, 222, 270, 271, and 272
Agilent 5071A Primary
Frequency Standard
Copyright Agilent Certification Safety Considerations Safety Considerations
Technologies, Inc. 1994, 2000 and Warranty (contd)
General
Certification
All Rights Reserved. This product and related
Reproduction, adaptation, or Agilent Technologies documentation must be
translations without prior certifies that this product reviewed for familiarization
written permission is met its published with this safety markings
prohibited, except as allowed specification at the time of and instructions before Indicates earth (ground)
under the copyright laws. shipment from the factory. operation. terminal.
Agilent further certifies that
Printed: December 2000 its calibration measurements This product is a safety
are traceable to the United Class I instrument (provided
States National Institute of with a protective earth
Printed in USA Standards and Technology or
terminal).
(formerly National Bureau of
Manual part number Standards), to the extent
05071-90042 allowed by the Institute's Before Applying Power
calibration facility, and to Indicates terminal is
Verify that the product is set
the calibration facilities of connected to chassis when
other International to match the available line
voltage and the correct fuse such connection is not
Standards Organization apparent.
members. is installed. Refer to
instructions in Chapter 1 of
the Manual.
Warranty
Agilent warrants Before Cleaning
Indicates Alternating
Agilent hardware, current.
accessories and supplies Disconnect the product from
against defects in materials operating power before
and workmanship for a cleaning.
period of one year from date Indicates Direct current.
of shipment. If Agilent Safety Earth Ground
receives notice of such
defects during the warranty An uninterruptible safety
earth ground must be WARNING
period, Agilent will, at its
option, either repair or provided from the mains BODILY INJURY OR
replace products which prove power source to the product DEATH MAY RESULT
to be defective. Replacement input wiring terminals or FROM FAILURE TO HEED
products may be either new supplied power cable. A WARNING. DO NOT
or like-new. PROCEED BEYOND A
Warning Symbols That WARNING SIGN UNTIL
May Be Used In This THE INDICATED
Agilent warrants that CONDITIONS ARE FULLY
Agilent software will not fail Book
UNDERSTOOD AND MET.
to execute its programming
instructions, for the period
specified above, due to
defects in material and CAUTION
workmanship when properly Damage to equipment, or
installed and used. If Agilent incorrect measurement
receives notice of such Instruction manual symbol; data, may result from
defects during the warranty the product will be marked failure to heed a caution.
period, Agilent will replace with this symbol when it is Do not proceed beyond a
software media which does necessary for the user to CAUTION sign until the
not execute its programming refer to the instruction indicated conditions are
instructions due to such manual. fully understood and met.
defects.
For detailed warranty For additional safety and
information, see back matter. acoustic noise information,
see back matter.
Indicates hazardous
voltages.
Agilent Technologies, Inc. 8.CD.NL.A.03.11.97.R1.J.CW2F
Santa Clara Site
5301 Stevens Creek Boulevard
Santa Clara, California 95052-8059
MANUAL UPDATING CHANGES CHANGE DATE: December 12, 2001
MANUAL UPDATING COVERAGE MANUAL IDENTIFICATION
This supplement adapts your manual to Instrument: Agilent 5071A
Serial Numbers prefixed through: Primary Frequency Standard
Telecommunications Options
US3930 Supplemental Manual
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 the manual print date.
Change and correction information in this supplement is itemized by page numbers corresponding
to the original manual pages. The pages in this supplement are organized in numerical order by
manual page number.
HOW TO USE THIS SUPPLEMENT
Insert this title page in front of the title page in your manual.
Perform all changes specified for "All Serials", and all changes through the Series Prefix of
your instrument or board.
Insert any complete replacement pages provided into your manual in the proper location.
The following pages are included in this update:
If your manual has been updated according to the last edition of this supplement, you need only
perform those changes pertaining to the new series prefix; see List of Effective Pages. New
information affecting "All Serials" will be indicated by a "#" in front of the change.
LIST OF EFFECTIVE PAGES
SERIAL PREFIX, SERIAL #
PAGES
OR DATE CODE
# All Serials ....................... 3-3.
All Serials ....................... All pages.
MANUAL CHANGES
AGILENT 5071A TELECOMMUNICATIONS OPTIONS SUPPLEMENTAL MANUAL
SERIAL PREFIX, SERIAL #
OR DATE CODE CHANGES
# Page 3-3, Accessories Furnished, dc input connector
All Serials >Add the following
Option 048: Delete reference to dc input connector part number 1251-0126
Title Page, Serial Number Prefix
All Serials >Change from "3249A and above" to "US3930"
Throughout The Entire Manual
All Serials >Change all references of "HP" to "Agilent"
>Change all references of "HP 5071A" to "5071A"
(05071-90042, December 2000)
Contents
Preface
How to Use This Manual v
Instrument Identification v
Instruments Covered by This Manual vi
Manual Organization vi
How to Order Manuals vi
1 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 Down the HP 5071A 1-6
Using the HP 5071A 1-7
Monitoring Status 1-7
Disabling the Internal Standby Battery 1-7
In Case of Difficulty 1-8
Front-Panel Indicators and Messages 1-8
Operating System Failures 1-8
Restarting the HP 5071A 1-8
Verifying Operation 1-8
2. Rear-Panel Output Connectors 1-8
HP 5071A Command References 1-9
HP 5071A Command Summary 1-9
SCPI Commands 1-9
SCPI Subsystem Commands 1-9
Status Reporting 1-9
Rear-Panel Status Output Operation 1-9
Status Output Programming 1-9
iii
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 Diagnostic Tree (A/M Subsection 4) 2-9
Theory of Operation 2-10
Introduction 2-10
Simplified Functional Description 2-10
Functional Block Descriptions 2-11
Instrument Control Block 2-12
Reference Oscillator/RF-Chain Block 2-12
Input/Output 2-13
Power Supply Block 2-14
A1 Motherboard Circuit Description 2-15
A11 Power Steering Logic Assembly 2-16
48V Subpanel Assembly 2-17
B1 Internal-Standby Battery 2-18
Replaceable Parts 2-19
Exchange Assemblies 2-19
Backdating 2-21
iv
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) 3-2
Environmental 2-9
Power Requirements 3-2
Weight 3-3
Accessories Furnished 3-3
dc input connector 3-3
Available Accessories and Options 3-4
Options 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.
Each occurrence of telecommunications option information uses the
following presentation format:
Subject heading(s): a. Left-justified option designation where:
Option 048 = 48 Vdc power option, and
Any TCO Option = Telecommunications
output options 104, 105, 220, 221, 222, 270,
271, or 272.
b. Text information explanation for
either HP 5071A manual, and/or,
c. Corrected text information for the
cited subject heading(s)
Except for the rear-panel illustration in chapter 1 of the HP 5071A
Operating and Programming manual and Figure 2-1, all changes and
corrections to manual illustrations appear as descriptive text items
that convey new, changed, or deleted information about the artwork.
The structure of topics covered corresponds to the outlines of the
HP 5071A Operating and Programming and Assembly-Level Service
manual except for specifications which occupies its own chapter. (See
manual organization below.)
Instrument Identification
Instrument identification is made from the serial number located on
the rear panel of the HP 5071A. Agilent uses a two-part serial number
with the first part (prefix) identifying a series of instruments and the
second part (suffix) identifying a particular instrument within a series.
An Agilent assigned alpha character between the prefix and suffix
identifies the country in which the instrument was manufactured.
vii
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.
Instruments having a higher serial prefix are covered when required
by one or more manual-change sheets included with this manual. If a
required change sheet is missing, contact your nearest Agilent Sales
Office listed at the back of this manual.
Manual Organization
This telecommunication options supplemental manual consists of a
table of contents, preface, and three chapters. The page running
headers identify the chapters and sections of this manual. The chapter
contents are summarized as follows:
Chapter 1, Operating and Programming, is divided into seven
sections: Introduction, Getting Started, Using the
5071A, In Case of Difficulty, HP 5071A Command
References, and Installation.
Chapter 2, Assembly-Level Service, is divided into five sections:
Performance Tests, Service, Theory of Operation,
Replaceable Parts, and Backdating.
Chapter 3, Specifications, is divided into two sections:
Supplemental Characteristics, and Available
Accessories and Options.
How to Order Manuals
This manual's part number is 05071-90031. Use it to order copies of
this manual. The HP 5071A Operating and Programming manual
part number is 05071-90029. The HP 5071A Assembly-Level Service
manual part number is 05071-90003.
viii
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.
Introducing the 5071A
5071A Major Features
Option 048: In the bulleted text delete: