Agilent Technologies OmniBER OTN Series Installation and operation manual

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Agilent OmniBER OTN Family
OmniBER OTN
communications
performance analyzer
Verification Manual
vcat
vcat gfp
lcas
otn
front.p65 08/01/2004, 09:301
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Agilent Technologies
Agilent OmniBER Family
OmniBER OTN
J7230B & J7232A Models
Verification Manual
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2Verification Manual
Notices
© 2003 Agilent Technologies UK Limited
No part of this manual may be reproduced in
any form or by any means (including elec-
tronic storage and retrieval or translation
into a foreign language) without prior agree-
ment and written consent from Agilent
Technologies UK Limited as governed by
international copyright laws.
Manual Part Number
J7230-90069
Edition
First edition, December 2003
Printed in UK
Agilent Technologies UK Limited
Data Networks Division
South Queensferry, West Lothian, Scotland
EH30 9TG
Warranty
The material contained in this document is
provided “as is,” and is subject to being
changed without notice in future editions.
Further, to the maximum extent permitted
by applicable law, Agilent Technologies
disclaims all warranties of merchantabil-
ity and fitness for a particular purpose.
Agilent Technologies shall not be liable for
errors or for incidental or consequential
damages in connection with the furnish-
ing, use, or performance of this document
or of any of the products to which it per-
tains. Should Agilent Technologies have a
written contract with the user and should
any of the contract terms conflict with
these terms the contract terms shall con-
trol.
Tec hn olo gy Li ce ns e s
The hardware and/or software described in
this document are furnished under a license
and may be used or copied only in accor-
dance with the terms of such license.
Restricted Rights Legend
If software is for use in the performance of a
U.S. Government prime contract or subcon-
tract, Software is delivered and licensed as
“Commercial computer software” as
defined in DFAR 252.227-7014 (June 1995),
or as a “commercial item” as defined in FAR
2.101(a) or as “Restricted computer soft-
ware” as defined in FAR 52.227-19 (June
1987) or any equivalent agency regulation or
contract clause. Use, duplication or disclo-
sure of Software is subject to Agilent Tech-
nologies’ standard commercial license
terms, and non-DOD Departments and
Agencies of the U.S. Government will
receive no greater than Restricted Rights as
defined in FAR 52.227-19(c)(1-2) (June
1987). U.S. Government users will receive
no greater than Limited Rights as defined in
FAR 52.227-14 (June 1987) or DFAR
252.227-7015 (b)(2) (November 1995), as
applicable in any technical data.
Safety Notices
CAUTION
A CAUTION notice denotes a haz-
ard. It calls attention to an operat-
ing procedure, practice, or the like
that, if not correctly performed or
adhered to, could result in damage
to the product or loss of important
data. Do not proceed beyond a
CAUTION notice until the indicated
conditions are fully understood and
met.
WARNING
A WARNING notice denotes a
hazard. It calls attention to an
operating procedure, practice, or
the like that, if not correctly per-
formed or adhered to, could result
in personal injury or death. Do not
proceed beyond a WARNING
notice until the indicated condi-
tions are fully understood and
met.
Sales and Service Offices
An up-to-date list of Agilent Offices is avail-
able through the Agilent Website at URL:
http://www.agilent.com
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Verification Manual 3
In This Manual…
You will find information for verifying the performance of your
instrument
1PerformanceTests
This chapter details the procedures to test the performance of
the instrument and provides a test record table to record the
results of the tests. Part of the Performance Test is to run
specific Self Tests.
2 Self Test Overview
This chapter details all of the self test procedures.
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4Verification Manual
Conventions Used in this Manual
The conventions used in this manual to illustrate instrument
keys and display information are as follows:
<Menu> This is an example of a hardkey. Hardkeys (located to the right
of the display) are used to give access to different sets of
instrument settings, or select dedicated instrument functions.
Menu Items Menu items appear in text in bold with the greater than (>)
symbol separating each menu level. For example, if you are
instructed to choose Errors and Alarms from the Test Functions
menu, it appears as Test Functions > Errors and Alarms.
Field Items Field items you can select will appear in bold, for example
select Signal Rate field.
Drop Down
Lists
The item you must select from a drop down list is also shown in
bold. For example, select Signal Rate field and choose STM-1 or
OC-3 from the drop down list.
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Verification Manual 5
1PerformanceTests
Introduction 8
Recommended Test Equipment 9
Self Test Loopback Cables and Accessories 10
Recall Default Settings 11
Performance Self Test 12
Description of the Performance Self Test 12
Loopback Connections Required for Self Test 13
How to run the Self Test 15
What to do if the Self Test fails 16
Internal Reference Clock Accuracy 18
Alternative DS1 Clock test (if suitable DSn Test Set is not
available) 23
External Clock Reference Inputs and Clock Reference Output 24
Optical Pulse Mask and Output Characteristics 31
52/155 and 622 Mb/s Optical Output Checks 32
2.5 Gb/s Optical Output Checks 37
Contents
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6Verification Manual
9.95 Gb/s and 10.71 Gb/s Optical Output Checks (J7230B and J7232A
Opt 108 Only) 40
Optical Receiver Sensitivity, Optical Power and Frequency
Measurement 45
Electrical Pulse Mask and Output Level Characteristics (Option 012
Only) 63
Performance Test Record 88
2 Self Test Overview
Description of the Self Test 96
List of Self Tests 97
Loopback Connections Required for Self Test 98
How to Run a Self Test 102
-What to Do if the Self Test Fails 107
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7
Agilent Technologies
1
Performance Tests
Introduction 8
Recommended Test Equipment 9
Recall Default Settings 11
Performance Self Test 12
Internal Reference Clock Accuracy 18
External Clock Reference Inputs and Clock Reference Output 24
Optical Pulse Mask and Output Characteristics 31
Optical Receiver Sensitivity, Optical Power and Frequency
Measurement 45
Optical Transmit/Receive Jitter Accuracy
Performance Test Record 88
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8Verification Manual
1Performance Tests
Introduction
The procedures given in this section test the performance of the
Agilent J7230B or J7232A OmniBER OTN models using the
instrument specifications for test accuracy limits. The tests are
intended to be performed in the recommended order for a full
instrument calibration check. Tests can be run individually,
however it will be assumed that any preceding test would meet
specifications.
Equipment Required
Equipment required for the performance tests is given in
“Recommended Test Equipment" on page 9. Any equipment
which meets or exceeds the critical specification of the
equipment listed may be substituted. Recommended models are
those typically used in Agilent Service Centers. Where
appropriate, alternative models are also listed.
Performance Test Record
The results of the performance tests may be recorded in the
“Performance Test Record" on page 88. The performance test
record lists all the tested specifications and the acceptable
limits. The results recorded at incoming inspection may be used
for comparison during periodic maintenance, troubleshooting
or after repair or adjustment.
Calibration Check Cycle
This instrument requires periodic verification of performance.
Depending on use and environmental conditions, the
instrument should be checked at least once every 2 years, using
these performance tests.
Instrument Option Configuration
Please refer to Chapter 1 and the instrument Specifications for
information on option configuration.
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Performance Tests 1
Verification Manual 9
Recommended Test Equipment
*
Instrument Critical Specification Recommended Model
High Speed Optical
Oscilloscope
Oscilloscope Mainframe
3 GHz Opt/Elect Module with STM-1/4 Filter
20 GHz Opt/Elect Module with STM-16/64 Filter.
86100A
86103A option 201
86105A option 202
Frequency Counter Range 0 to 200 MHz, accuracy <0.1 ppm. 53181A option 001
or 5325A option 010
Optical Power Meter and
Sensor Module
Range -8 dBm to -33 dBm, Wavelength1260 - 1600 nm 8163A and 81633A
or 8153A and 81536A
Optical Attenuator Wavelength 1200 - 1600 nm, Range 0 - 30 dB 8156A option 100
or 8157A
FC/PC Optical Interface
Connector
Unique 81000FI (Qty 4)
Optical Cables Unique 1005-0337 (Qty 2)
PDH/DSn Structured Test
Set
Unique OmniBER 718, with option
012 or OmniBER 719 with
option 013
*Oscilloscope with
Communications Mask Kit
>400 MHz BW communications mask measurement kit with
appropriate connectors/adaptors. Capability DS1 to
STS-3/STM-1e
54830B/54845B/54810A
with option 100
(option 100 provides
E2625A Communications
Mask test kit)
*Termination Adaptor
Probe
Balanced 110/120 ohms to unbalanced 50 ohms E2621A (part of E2625A)
Adaptor 75/50 ohms unbalanced E2622A (part of E2625A)
Patch Cable Bantam 110 ohms 15670A
75ΩTermination 0 to 200 MHz 15522-80010
Balanced/Unbalanced
Converter
110Ωbalanced: 75ΩUnbalanced (nominal) 15508B
NOTE * Equipment is only required for opt 012 - PDH/DSn Interfaces.
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10 Verification Manual
1Performance Tests
Self Test Loopback Cables and Accessories
•1005-0337 1m fiber optic patchcord FC/PC connectors.
•1005-1148 10 dB optical attenuator FC/PC.
•1005-0433 15 dB optical attenuator FC/PC.
•15525A 75 ohm BNC cable, 2 off.
•15670A Bantam 110 ohm cable, 2 off.
•J2125-65011 DCC port 9-pin loopback plug.
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Performance Tests 1
Verification Manual 11
Recall Default Settings
The performance tests require the OmniBER OTN to be set to a
pre-defined (default) state at the beginning of each test.
1Press <Menu>, choose System > Stored Settings then press
<Select>.
2Select Default then Recall.
3Select OK, then wait a few seconds for instrument to
reconfigure to the default settings. Recall has completed
when the dialog box clears.
4Select Close on the Tx/Rx - Stored Settings window.
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12 Verification Manual
1Performance Tests
Performance Self Test
Part of the instrument self test is used for the performance
tests. This provides a high degree of confidence that the
relevant measurement hardware is operating correctly in
advance of completing the performance tests.
This section gives an description of the self tests that are
required to be completed as part of the performance tests and
covers the following
•Description of the self tests.
•Loopback connections required for self test
•How to run the self test.
•What to do if the self test fails.
Description of the Performance Self Test
The self test comprises of a selection of tests covering different
areas of hardware in the instrument. For the purposes of the
performance self tests, the Confidence Test and the Frequency
Measurement Test should be completed. These are selected
from the main self test menu. If a failure occurs during a test
then a descriptive text message and Fail Code is returned.
Press <Menu>, choose System > Self Test then press <Select>.
This opens the self test page. An example is shown below.
NOTE A full overview of the self test is given later in the manual.
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Performance Tests 1
Verification Manual 13
Loopback Connections Required for Self Test
The confidence test verifies all the optical and electrical
(instruments with Option 012 only) test ports on the unit
therefore loopback connections are required on the instrument.
The following loopback connections are required (see Figure 1
on page 14).
Optical Loopback Connections (Option Dependent)
Use optical cables P/N 1005-0337 a 10 dB attenuator P/N
1005-1148 and 15 dB attenuator P/N 1005-0433.
•Connect 9.95/10.71 Gb/s Optical Out <> 10 dB Attenuator <>
9.95/10.71 Gb/s Optical In
•Connect 52 Mb/s-2.5 Gb/s Optical Out <> 15 dB Attenuator <>
2.5 Gb/s Optical In
Electrical connections SONET/SDH 52 Mb/s to 155 Mb/s
(Instruments with Option 012 only)
Use BNC cable P/N 15525A
•Connect SONET/SDH Out (BNC) <> SONET/SDH In (BNC)
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14 Verification Manual
1Performance Tests
Unbalanced Electrical Connections PDH/DSn 2-140 Mb/s and DS3
(Instruments with Option 012 only)
Use BNC cable P/N 15525A
•Connect 2-140 Mb/s DS3 Out (BNC) <> 2-140 Mb/s DS3 In
(BNC)
Balanced Electrical Connections 2M/DS1 (Instruments with
Option 012 only.)
Use Bantam cable P/N 15670A
•Connect 2M/DS1 Out <> 2M/DS1 In
Figure 1 Self Test Loopback Connections
jlkjkljkljl
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iii
Optical loopback
patch cords are
option dependent
15 dB optical
attenuator to
ensure level is
within receiver
input range
10 dB optical
attenuator to ensure
level is within receiver
input range
PDH/DSn Electrical
Loopback Cabling is only
required if Option 012 is
enabled.
SONET/SDH Electrical
Loopback Cabling.
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Performance Tests 1
Verification Manual 15
How to run the Self Test
1Press <Menu>, choose System > Self Test then press
<Select>.
2Ensure all loopbacks are in place and, from the self test page
menu, select the appropriate 1310/1550 nm 2.5 G - 52 M
optical loopback Cabling Configuration.
3On the self test page choose Run Selected Test and choose
Confidence Test. Choose START to begin the test.
4The self test will now run selecting each sub-test in sequence.
The remaining test time to complete the tests is displayed on
the right hand side of the self test page.
5If any sub-test fails an error message and error code will be
returned. Up to five errors are recorded.
6On the self test page choose Run Selected Test and choose
Frequency Measurement. Choose START to begin the test.
Further information on the self test can be obtained in the self
test overview section at the rear of this manual.
NOTE Where dual wavelength optical transmitters fitted the self test should be
re-cabled and re-run to verify the alternative transmitters wavelength
output. Select the cable configuration from the self test menu as
appropriate.
CAUTION Safety precautions care and connection cleanliness must be observed
to ensure that the optical connections are not damaged or degraded.
Ensure the recommended optical attenuation is present in all optical
loopback connections as failure to do so could cause self test failure or
damage to the optical receivers.
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16 Verification Manual
1Performance Tests
What to do if the Self Test fails
1Check all connections to make sure that all the correct
loopback connections are in place.
2Be suspicious of any optical interface failures and if
necessary clean all optical connections with a recognized
cleaning kit before retrying the self test.
3If the problem persists then contact your local Agilent
Service Office or representative.
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Performance Tests 1
Verification Manual 17
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