Agilent Technologies 83446A Manual

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User and Service Guide
Agilent 83446A/B
Lightwave Clock/Data
Receiver

Agilent part number: 83446-90018
Edition 1Printed in US
AMarch 2000
1400 F
ountaingrove P
arkway
,
Santa Rosa, CA
95403-1799, US
A
Notice
.
The information contained in this document is subject to change
without notice
.Agilent T
echnologies makes no warranty of any kind
with regard to this material, including but not limited to
, the implied
warranties of merchantability and tness for aparticular purpose
.Agilent
T
echnologies shall not be liable for errors contained herein or for incidental or
consequential damages in connection with the furnishing, performance
,or use
of this material.
Restricted Rights Legend.
Use
,duplication, or disclosure by the U
.S
.
Government is subject to restrictions as set forth in subparagraph (c) (1) (ii)
of the Rights in T
echnical Data and Computer Software clause at DF
ARS
252.227-7013 for DOD agencies
,and subparagraphs (c) (1) and (c) (2) of the
Commercial Computer Software Restricted Rights clause at FAR 52.227-19 for
other agencies
.
c
 Copyright Agilent T
echnologies 2000
All Rights Reserved. Reproduction, adaptation, or translation without prior
written permission is prohibited, except as allowed under the copyright laws
.

Printing History
Agilent Part Number Edition Date
83446-90004 Edition 1October 1994
83446-90011 Edition 1June 1995
83446-90018 Edition 1March 2000
iii

Safety Symbols
The following safety symbols are used throughout this manual. F
amiliarize
yourself with each of the symbols and its meaning before operating this
instrument.
CAU
TION
The
caution sign denotes a hazard to the instrument. It calls attention to a
procedure which, if not correctly performed or adhered to
,could result in
damage to or destruction of the instrument. Do not proceed beyond a
caution
sign until the indicated conditions are fully understood and met.
WARNING
The
warning
sign denotes alife-threatening hazard. It calls attention to a
procedure which, if not correctly performed or adhered to
,could result
in injury or loss of life
.Do not proceed beyond a
warning
sign until the
indicated conditions are fully understood and met.
L
The
instruction manual
symbol. The product is marked with this symbol when it is
necessary for the user to refer to the instructions in the manual.
A
This symbol denotes that the instrument uses alternating current.
j
This symbol denotes that the power supply is turned on.

This symbol denotes that the power supply is turned o.
CE The CE mark is aregistered trademark of the European Community
.
ISM1-A This symbol denotes that the instrument is an Industrial Scientic and Medical Group 1 Class
Aproduct.
The CSA mark is aregistered trademark of the Canadian Standards Association.
iv

General Safety Considerations
WARNING
This is aSafety Class Iproduct (provided with aprotective earthing
ground incorporated in the power cord). The mains plug shall only be
inserted in asocket outlet provided with aprotective earth contact.
Any interruption of the protective conductor inside or outside of the
instrument is likely to make the instrument dangerous
.Intentional
interruption is prohibited.
WARNING
Before this instrument is switched on
,make sure it has been properly
grounded through the protective conductor of the ac power cable to a
socket outlet provided with protective earth contact. Any interruption
of the protective (grounding) conductor
,inside or outside the instrument,
or disconnection of the protective earth terminal can result in personal
injury.
WARNING
If this instrument is not used as specied, the protection provided by the
equipment could be impaired. This instrument must be used in anormal
condition (in which all means for protection are intact) only
.
WARNING
There are many points in the instrument which can, if contacted, cause
personal injury
.Be extremely careful. Any adjustments or service
procedures that require operation of the instrument with protective
covers removed should be performed only by trained service personnel.
WARNING
No operator serviceable parts inside
.Refer servicing to qualied
personnel. T
oprevent electrical shock, do not remove covers
.
WARN
ING
F
or continued protection against re hazard, replace line fuse only with
same type and ratings
. The use of other fuses or materials is prohibited.
CAUTION
Always use the three-prong A
Cpower cord supplied with this instrument.
Failure to ensure adequate earth grounding by not using this cord may cause
instrument damage
.
CAUTION
This product has autoranging line voltage input. Be sure the supply voltage is
within the specied range
.
v

Certication and Assistance
Agilent Technologies certies that this product met its published specications
at the time of shipment from the factory
.Agilent T
echnologies further
certies that its calibration measurements are traceable to the United States
National Institute of Standards and T
echnology (NIST), to the extent allowed
by the Institute's calibration facility
,and to the calibration facilities of other
International Standards Organization members
.
Product maintenance agreements and other customer assistance agreements
are available for A
gilent T
echnologies products.
F
or any assistance
,contact your nearest A
gilent T
echnologies Sales and
Service Oce
.
vi

Declaration of Conformity
vii

W
arranty
This Agilent T
echnologies instrument product is warranted against defects in
material and workmanship for aperiod of one year from date of shipment.
During the warranty period, Agilent T
echnologies will, at its option, either
repair or replace products which prove to be defective
.
F
or warranty service or repair
,this product must be returned to aservice
facility designated by Agilent T
echnologies
.Buyer shall prepay shipping
charges to Agilent T
echnologies and Agilent T
echnologies shall pay shipping
charges to return the product to Buyer
.However
,Buyer shall pay all shipping
charges
, duties
,and taxes for products returned to Agilent T
echnologies from
another country
.
Agilent T
echnologies warrants that its software and rmware designated by
Agilent T
echnologies for use with an instrument will execute its programming
instructions when properly installed on that instrument. Agilent T
echnologies
does not warrant that the operation of the instrument, or software
,or
rmware will be uninterrupted or error-free
.
Limit
a
tion of W
arranty
The foregoing warranty shall not apply to defects resulting from improper
or inadequate maintenance by Buyer
,Buyer-supplied software or
interfacing, unauthorized modication or misuse
,operation outside of the
environmental specications for the product, or improper site preparation
or maintenance
.
NO OTHER W
ARRANTY IS EXPRESSED OR IMPLIED
.A
GILENT
TECHNOLOGIES SPECIFICALL
YDISCLAIMS THE IMPLIED W
ARRANTIES
OF MERCHANT
ABILITY AND FITNESS FOR AP
ARTICULAR PURPOSE.
Ex
clusive Remedies
THE REMEDIES PRO
VIDED HEREIN ARE BUYER'S SOLE AND EXCLUSIVE
REMEDIES
.A
GILENT TECHNOLOGIES SHALL NOT BE LIABLE FOR
ANY DIRECT, INDIRECT
, SPECIAL, INCIDENT
AL, OR CONSEQUENTIAL
DAMAGES, WHETHER B
ASED ON CONTRA
CT
, TORT
, OR ANY OTHER
LEGAL THEORY
.
viii

Contents
1. General Information
Description of the Agilen
t83446A/B ..........
1-3
F
ron
t-panel features ............... .
1-6
Rear panel features ................
1-8
Agilen
t83446A/B Specications and Characteristics ...
1-9
Electrostatic Disc
harge Information ..........
1-12
Reducing ESD damage .............. .
1-14
2. Installation and Preparation for Use
Installing the Agilen
t83446A/B ........... .
2-3
Step 1. Inspect the shipmen
t......... . . .
2-3
Step 2. Set the line v
oltage selector .. . . . ....
2-5
Step 3. Chec
kthe fuse .... . . . ........
2-6
Step 4. Connect the Agilen
t83446A/B to apo
wer source
2-7
Step 5. T
urn on the Agilen
t83446A/B ... . ....
2-10
Connecting the Agilen
t83446A/B to aBit-Error-Ratio
T
est Set .. . ..................
2-11
P
erforming aQuic
kCondence Chec
k.........
2-13
If the v
erication c
heckfails ............
2-13
Ho
wto Return the Agilent83446A/B for Service ....
2-15
P
ac
k
aging .. . . . ...............
2-15
Instrumen
tshipping preparation pro cedure ......
2-16
Sales and service oces ..............
2-17
Cleaning Connections for Accurate Measuremen
ts ....
2-19
T
o clean anon-lensed connector ...........
2-21
T
o clean an adapter ................
2-22
T
o test insertion loss ................
2-23
T
otest return loss .......... . . . . . . .
2-23
3. Using the Agilent 83446A/B
Bit-Error-Ratio T
est . . . . . . . . . . . . . . . . .
3-3
Example of measuring disp ersion po
wer penalt
yof
single-mo de ber . . . . . . . . . . . . . . . .
3-3
System sensitivity calibration . . . . . . . . . . . .
3-4
Determining disp ersion p o
wer penalt
y . . . . . . . .
3-7
Bit-Error-Ratio T
est . . . . . . . . . . . . . . . . .
3-10
Contents-1