TTC T-BERD 107A User manual

This reference material is provided by TMG Test Equipment,
VIAVI’s only Master Distributor for Contractors in Australia
Enabling Australia’s Field Technicians to build, troubleshoot
and maintain better communications networks.
Industry Best Pricing Finance Available
Short to Medium Project-Based Rental Solutions
Dedicated Technical & After-Sales Support
In-house Diagnostics, Repair & NATA Calibration Laboratory
FREECALL 1800 680 680

50-12741-01
Rev. C
T-BERD107A
T-CARRIERANALYZER
REFERENCEMANUAL
DECEMBER1994
©1993TELECOMMUNICATIONSTECHNIQUESCORPORATION®
20400ObservationDrive
Germantown,Maryland20876
[phone] OR [phone] (MD) • FAX [phone]
WWW Address: http://www.ttc.com

BRIDGTAPisatrademarkandMULTIPAT
isaregisteredtrademarkof
TelecommunicationsTechniquesCorporation(TTC),
ADynatechCompany.
SLCisaregisteredtrademarkof
AT&TTechnologies,Inc.
Specs.,terms,andconditionsaresubjecttochange
withoutnotice.

iii
SECTION TABLE OF CONTENTS
TABLEOFCONTENTS
SECTION PAGE
GENERALINFORMATION
1.1 INTRODUCTION .................................... 1-1
1.2 INSTRUMENTOVERVIEW .................... 1-1
1.3 STANDARDFEATURES ........................ 1-2
1.4 OPTIONS................................................ 1-4
1.5 ACCESSORIES ...................................... 1-5
1.6 CABLES.................................................. 1-7
1.7 ORDERINGINFORMATION .................. 1-8
INSTRUMENTCHECKOUTAND
MAINTENANCE
2.1 UNPACKINGANDINITIAL
INSPECTION ....................................... 2-1
2.2 EQUIPMENTINCLUDED ....................... 2-1
2.3 WARNINGSANDCAUTIONS ................ 2-2
2.4 POWERREQUIREMENTS .................... 2-2
2.5 INSTRUMENTSELF-TEST/
CHECKOUT ......................................... 2-5
2.6 MAINTENANCE.................................... 2-19
2.7 BATTERYREPLACEMENT ................. 2-20
2.8 WARRANTY ......................................... 2-22
2.9 EQUIPMENTRETURN
INSTRUCTIONS................................. 2-24
INSTRUMENTDESCRIPTION
3.1 OVERVIEW ............................................ 3-1
3.2 MAINFRAME—TEST SETUP............... 3-3
3.3 MAINFRAME
—TESTCONNECTIONS .................. 3-17
3.4 MAINFRAME— TESTRESULTS ........ 3-21
3.5 MAINFRAME—TROUBLESHOOTING
CONTROLS ....................................... 3-29
3.6 MAINFRAME—PRINTERCONTROL. 3-34

SECTION TABLE OF CONTENTS
iv
SECTION PAGE
3.7 SLCDATALINKDECODE
OPTION— INTRODUCTION............ 3-35
3.8 SLCDATALINKDECODEOPTION
— TEST SETUP................................. 3-35
3.9 SLCDATALINKDECODEOPTION
—TEST RESULTS ............................ 3-36
3.10 ADVANCEDSTRESSPATTERNS
OPTION—INTRODUCTION............. 3-39
3.11 ADVANCEDSTRESSPATTERNS
OPTION— TESTSETUP .................. 3-39
3.12 ENHANCEDESFOPTION
—INTRODUCTION ........................... 3-43
3.13 ENHANCEDESFOPTION
— TEST SETUP................................. 3-43
3.14 ENHANCEDESFOPTION
—TEST RESULTS ............................ 3-45
3.15 ENHANCEDESFOPTION
—PRINTERCONTROL..................... 3-51
3.16 SMARTLOOPBACK/COMMAND
CODESOPTION
—INTRODUCTION ........................... 3-53
3.17 SMARTLOOPBACK/COMMAND
CODESOPTION —TEST SETUP .... 3-53
3.18 SMARTLOOPBACK/COMMAND
CODESOPTION
—TROUBLESHOOTING ................... 3-54
3.19 FRACTIONALT1OPTION
—INTRODUCTION ........................... 3-55
3.20 FRACTIONALT1OPTION
— TEST SETUP................................. 3-55
3.21 FRACTIONALT1OPTION
—TROUBLESHOOTING ................... 3-58

v
SECTION TABLE OF CONTENTS
SECTION PAGE
AUXILIARYFUNCTIONS
4.1 INTRODUCTION .................................... 4-1
4.2 AUXILIARYFUNCTIONS ....................... 4-3
TESTRESULTS
5.1 TESTRESULTS ..................................... 5-1
5.2 SUMMARYCATEGORY ........................ 5-4
5.3 ERRORSCATEGORY ......................... 5-12
5.4 SIGNALCATEGORY............................ 5-15
5.5 TIMECATEGORY ................................ 5-19
5.6 DATALINKCATEGORY ....................... 5-20
PRINTEROPERATION
6.1 COMPATIBLEPRINTERS...................... 6-1
6.2 PRINTEROPERATION .......................... 6-1
6.3 CONNECTINGTHEPRINTER ............... 6-4
6.4 GENERATINGAPRINTOUT ................. 6-5
6.5 TYPESOFPRINTOUTS ........................ 6-7
SPECIFICATIONS
7.1 INTRODUCTION .................................... 7-1
7.2 GENERALSPECIFICATIONS ................ 7-1
7.3 INPUTSPECIFICATIONS ..................... 7-2
7.4 OUTPUTSPECIFICATIONS .................. 7-3
7.5 MEASUREMENTS.................................. 7-4
7.6 CONNECTORS ...................................... 7-8
7.7 ALARMCRITERIA.................................. 7-8
7.8 PATTERNSPECIFICATIONS .............. 7-10
7.9 LOOPCODES ...................................... 7-12
7.10 GROUNDING ....................................... 7-13
7.11 BATTERY ............................................. 7-14
APPENDICES
A FACTORYDEFAULT SETTINGS...............A-1
B CHANNELTIME SLOTASSIGNMENTS ....B-1
C STRESS PATTERNS .................................C-1
D INTELLIGENTNETWORKEQUIPMENT ...D-1

SECTION TABLE OF CONTENTS
vi
3-4 TESTCONNECTIONSRELATED
SWITCHES ........................................ 3-18
3-5 TESTRESULTSSWITCHESAND
INDICATORS ..................................... 3-21
3-6 TROUBLESHOOTINGCONTROLS
ANDINDICATORS............................. 3-30
6-1 RESULTSPRINTOUT ............................ 6-8
6-2 SIMULATEDBRIDGTAPRESULTS
PRINTOUT ......................................... 6-10
6-3 SIMULATEDMULTIPATTERN
RESULTSPRINTOUT........................ 6-11
6-4 SMARTNIURESULTSPRINTOUT ..... 6-13
6-5 OVERFLOWRESULTSPRINTOUT..... 6-14
6-6 CONTROLSPRINTOUT...................... 6-16
TABLES
3-1 BRIDGTAPPATTERNS ....................... 3-12
3-2 MULTIPATPATTERNS ........................ 3-13
4-1 T-BERD107AAUXILIARY
FUNCTIONS ........................................ 4-2
5-1 SIGNALLEVELTESTLOCATIONS..... 5-14
6-1 PRINTERINTERFACE
PARAMETERS..................................... 6-3
7-1 PRINTERCONNECTORPIN
CONFIGURATION ............................... 7-7
A-1 FACTORYDEFAULTSETTINGS...........A-1
B-1 CHANNELTIMESLOTASSIGNMENTS B-1
D-1 INTELLIGENTNETWORKEQUIPMENT
LOOP CODES.....................................D-1
D-2 INTELLIGENTNETWORKEQUIPMENT
SELECTIONS.......................................D-2
SECTION PAGE
FIGURES
2-1 T-BERD107ATOP PANEL .................... 2-3
3-1 T-BERD107AFRONTPANEL ............... 3-2
3-2 FRONT-PANELDISPLAYAND
SETUPSWITCHES.............................. 3-4
3-3 TOPPANELTESTCONNECTIONS .... 3-17

1-1
SECTION 1
GENERAL
INFORMATION
GENERALINFORMATION
1.1 INTRODUCTION
This manual provides information about the
physical features, functional operation, and speci-
fications of the Telecommunications Techniques
Corporation (TTC) T-BERD 107A T-Carrier
Analyzer.
In addition to this manual, a T-BERD 107A
User’sGuideprovidesinformationonsettingupand
operating the T-BERD 107A in a number of in-
serviceandout-of-serviceapplications.
1.2 INSTRUMENTOVERVIEW
TheT-BERD107Aisafull-featured,hand-held
T1testsetdesignedforoutsideplanttesting.Itcanbe
usedduringcircuitinstallation,acceptancetesting,
andfaultisolation.TheT-BERD107Acanmonitor
a T1 circuit without interrupting service, generate
andreceivetestpatternsduringout-of-servicecircuit
testing, and emulate a network device, such as a
Network Interface Unit (NIU) or Channel Service
Unit(CSU).Inaddition,theT-BERD107Adetects
andisolatesproblemsrelatedtocustomerpremises
equipment(e.g., NIU) and detectsproblemsorigi-
natingfromtheT1span.

SECTION 1
1-2
GENERAL
INFORMATION
1.3 STANDARDFEATURES
D1D, D4, ESF, and SLC-96™framing patterns
offercompatibilitywithavarietyofframingformats.
Anunframedmodeisalsoavailableforapplications
whereframingisnotrequired.
Automated BRIDGTAP™ pattern sequence de-
tects bridge taps on a T1 span by automatically
generating 21 test patterns and monitoring the re-
turnedsignalforerrors.
AutomatedMULTIPAT™patternsequencegen-
eratesfivestandardtestpatternswithvariabledura-
tionsthateliminatetheneedtoperformseparatetests
witheachpattern.
Logic error, bipolar violation, and frame error
(CRCerrorifESFframing)analysisareperformed
simultaneously with the associated error rate and
erroredsecondsmeasurements.
Complete signal analysis includes signal level,
timingslips,receivedclockfrequency,andsimplex
currentmeasurements.
In-band and ESF out-of-band loopback codes
enabletheinstrumenttoloopbackoremulatedevices
thataccepteitherin-bandorout-of-bandloopcodes.
Bit-Patterned Message (BPM) recognition en-
ables the T-BERD 107A to identify and display
BPMs from the ESF datalink in accordance with
ANSI T1.403. In addition, the T-BERD 107A can
generateBPMs.

1-3
SECTION 1
GENERAL
INFORMATION
Channeldropfeaturedisplaysuser-selectedDS0
channelsignalingbits,databits,andVFfrequency/
level measurements. In addition, the selected DS0
channelisdroppedtotheinternalspeakerandtheVF
OUTjackforanalysisbyanexternalTIMStestset.
SUMMARYcategorydisplayseitherALLRESULTS
OKoranyout-of-specificationornon-zeroresults,
eliminatingtheneedtosearchthroughlonglistsof
testresults.
AUTOmodeletstheT-BERD107Aconfigureitself
totheproperframing,coding,andpattern.Nosetup
isrequiredwhenmonitoringlivecircuits.
Logicerrorandbipolarviolation(BPV)insertion
enables the T-BERD 107A to simulate span and
equipmenterrors.
Line Build-Out selections add troubleshooting
capability to uncover marginal problems such as
cablecrosstalkandbridgetaps.
Rechargeable battery and AC power adapter
provideoperatingflexibilitytomeetdifferenttesting
needs.Thelead-acidbatteryprovidesfourhoursof
continuouscord-freeoperationandcanberecharged
fromtheT-BERD107AACpoweradapter.
VF OUT jack enables the T-BERD 107A to drop a
voicefrequencysignalfromonechanneltoanexter-
naltestsetforanalysis.
RS-232InterfaceconnectorenablestheT-BERD
107A to print test results and test setup for various
tests.

SECTION 1
1-4
GENERAL
INFORMATION
1.4 OPTIONS
SLCDatalinkDecodeOption(107A-1)
SLC-96 datalink major, minor, and power/
miscellaneous alarms are decoded and re-
portedonthefrontpanel.
SLC-96alarm seconds and alarmfield size
arecalculatedandreportedonthefrontpanel.
AdvancedStressPatternsOption(107A-2)
Fixed long patterns stress the timing and re-
coverycircuitryoflinerepeaters.
EnhancedESFOption(107A-3)
Monitors and reports on the received ESF
datalink ANSI T1.403 Performance Report
Message(PRM).
Adds PRM results to the DATALINK and
SUMMARYcategories.
Generates and transmits PRMs on the T1
signal.
Adds a SMARTNIU mode that enables the
T-BERD 107A to query, retrieve, store, and
clear T1 circuit statistics obtained by the per-
formance monitor feature of the Westell
NIU/PerformanceMonitor.

1-5
SECTION 1
GENERAL
INFORMATION
Smart Loopback/Command Codes Option
(107A-4)
Addsintelligentrepeaterloopcodesthaten-
abletheT-BERD107Atocontrolintelligent
networkequipment,suchasofficerepeaters,
linerepeaters,andmaintenanceswitches.
Adds HDSL loop codes that enable the
T-BERD107AtocontrolPAIRGAINorequiva-
lentHDSLcircuitrepeaters.
FractionalT1Option(107A-5)
Fractional T1 (FT1) modes provide contigu-
ous and noncontiguous, 56KxN and 64KxN,
fractional T1 testing capabilities in D4, D1D,
andESFframingformats.
AddsthreeFT1patterns(63,511,and2047)
fortestingDDSandfractionalT1circuits.
AddsVFtones(404Hz,1004Hz,and2804Hz
atuser-selectable output level; 2713Hz at 0.0
dBm)thatcanbetransmittedonauser-selected
DS0channel.
1.5 ACCESSORIES
T-BERDT1RepeaterExtender
(Model#41157)
TheT-BERDT1RepeaterExtenderisahand-
heldcircuitcardextenderthatprovidestestaccessto
T1signalsatspanrepeaterhousings.Itisdesignedto

SECTION 1
1-6
GENERAL
INFORMATION
workinconjunctionwithaT-BERDT-CarrierAna-
lyzertoperformout-of-servicetestingormonitoring
ofT1signalsalongrepeateredspans.TheT-BERD
T1RepeaterExtenderenablestheusertomonitorT1
signals at repeater inputs and outputs without dis-
rupting the span current loop. It also helps to
sectionalizespanlinesbyperformingsignalloopbacks
attherepeaterandbyterminatingrepeateroutputs.
Formoreinformation,seetheT-BERDT1Repeater
ExtenderOperatingManual.
T-BERDRepeaterPowerSupply
(Model#41084)
The T-BERD Repeater Power Supply enables
outside plant technicians to power-up a T1 circuit
fromthedistributionframeinthecentralofficetothe
customersitefortestingthecompletionofthespan.
TheT-BERDRepeaterPowerSupplydeliversacon-
stantcurrent source of60 mA,100 mA,or 140 mA.
Theoutputvoltagevariesupto260VDC,depending
onthenumberofrepeaterspowered,spanlength,and
cablegauge.Formoreinformation,seetheT-BERD
RepeaterPowerSupplyOperatingManual.
PR-40AThermalPrinter
ThePR-40Aisathermal,40-column/80-column,
graphicsprinter.ThisprinterconnectstotheAUXIL-
IARYPORT(RS-232printerinterface)connector.

1-7
SECTION 1
GENERAL
INFORMATION
ReplacementBattery
Areplacementlead-acidbatterycanbeordered
fortheT-BERD107A.Batteryreplacementinstruc-
tionsareprovidedinSection2.7BatteryReplacement.
1.6 CABLES
Thefollowingcables provide aninterconnec-
tionbetweentheT-BERD107A,othertestsets,and
thenetwork.
Model Description
10559 WECO310plugtobantam
plug(10')
10599 WECO310plugtobantam
plug(4')
10615 Bantamplugtobantamplug
(10')
10648 Bantamplugtoalligator
clips(10')
11-008690 T-BERD107AACpower
adapter
30758 Printercable—8-pinDINto
25-pinD
30840 Dualbantamplugtomini
testclips
41649 Dualbantamplugto15-pinD
(T-BERDRepeaterPower
Supplyadaptercable)

SECTION 1
1-8
GENERAL
INFORMATION
1.7 ORDERINGINFORMATION
ContactTTCCustomerServiceDepartmentat
[phone]forinformationonorderingoptions
oraccessories.

SECTION 2
2-1
INSTRUMENT CHECKOUT
AND MAINTENANCE
INSTRUMENT CHECKOUT AND
MAINTENANCE
2.1 UNPACKINGANDINITIAL
INSPECTION
TheT-BERD107Ashippingcontainershould
be inspected for damage when it is received. If the
shippingcontainerorshippingmaterialisdamaged,
itshould be keptuntil thecontents ofthe shipment
havebeencheckedforcompletenessandtheinstru-
ment has been checked mechanically and electri-
cally. Procedures for checking the electrical
performanceoftheinstrumentaregiveninSection
2.5InstrumentSelf-Test/Checkout.Ifthecontents
areincomplete,oriftheT-BERD107Adoesnotpass
the Instrument Self-Test/Checkout, notify TTC at
[phone]. If the shipping container is dam-
aged,notifythecarrieraswellasTTC,andkeepthe
shipping container and materials for the carrier’s
inspection.
2.2 EQUIPMENTINCLUDED
The following equipment should be present
whenthe T-BERD 107Ashipment is receivedand
unpacked.
•T-BERD107AT-CarrierAnalyzer
•T-BERD107AACpoweradapter
•Printercable(8-pinDINto25-pinD)
•Referencemanualanduser’sguide
•Carryingcase

SECTION 2
2-2
INSTRUMENT CHECKOUT
AND MAINTENANCE
Check the purchase order against the option
label(s) on the back panel of the T-BERD 107A to
verifythattheoption(s)orderedareinstalled.
2.3 WARNINGSANDCAUTIONS
KEEPAWAY FROMLIVE VOLTAGES
Donotremovetheinstrumentfromthechassis
whilepowerisappliedtotheunit.
DO NOT OPERATE IN AN AMBIENT
TEMPERATUREABOVE122°F(50°C)
Operatingthisunitintemperaturesabove122°F
(50°C)cancausedamagetotheunit.
2.4 POWERREQUIREMENTS
The T-BERD 107A can be powered from an
externalACpowersupply(115VAC)oraninternal
rechargeablebattery.TheACADAPTERconnector
islocatedonthetoppaneloftheT-BERD107A.The
batteryislocatedinsidethelidpaneloftheT-BERD
107A.Complete ACpowerspecificationsare pro-
videdinSection7Specifications.
AC ADAPTER Connector — The T-BERD
107AACpoweradapterplugsintothisjackto
providelinevoltagetotheunit(seeFigure2-1).
IfanACpowersupplyisconnected,itautomati-
cally overrides the battery and supplies the
T-BERD107AwithACpower.

SECTION 2
2-3
INSTRUMENT CHECKOUT
AND MAINTENANCE
Figure2-1
T-BERD107A TopPanel
T-BERD 107A AC Power Adapter — The
T-BERD107AisequippedwithanACpower
adapter.TheT-BERD107AACpoweradapter
mustbepluggedintoanapprovedtwo-contact
electricaloutlet.
POWERSwitch—Thisswitchislocatedonthe
lid panel and controls the power to the instru-
ment.Itisatwo-positionpushbuttonswitch;the
down position turns on the T-BERD 107A,
whiletheuppositionturnsofftheinstrument.

SECTION 2
2-4
INSTRUMENT CHECKOUT
AND MAINTENANCE
AUTOPOWER OFFSwitch—Thisswitchis
locatedonthelidpanelandcutsoffthepowerto
the instrument whenever the lid is shut. It is a
spring-loadedpushbuttonswitchthatremains
extendedwhenthelidisopen.Wheneverthelid
isshuttheAUTOPOWEROFFswitchispressed
inbycontactwiththefrontpanelandturnsoff
theT-BERD107A.Ifthelidisopenedafterthe
T-BERD 107A was turned off by the AUTO
POWEROFFswitch,theT-BERD107Aturns
onagain.
TheAUTOPOWEROFFswitchhasabuilt-in
delayoftwosecondstopreventturningoffthe
T-BERD107A by accidental contactwith the
switch.Thisswitchconservesbatterypowerin
casethelidisshutwiththePOWERswitchstill
intheONposition.
Charging LED — This red LED is located on
the top panel adjacent to the AC ADAPTER
connector.TheChargingLEDilluminatesany-
time AC power is applied and the battery is
charging.
LowBatteryLED—ThisredLEDislocatedon
thefrontpanelwiththeAlarmsLEDs.TheLow
Batt LED illuminates approximately 15 min-
utesbeforethebatteryiscompletelydrainedof
power. The battery is recharged anytime AC
powerisapplied.

SECTION 2
2-5
INSTRUMENT CHECKOUT
AND MAINTENANCE
2.5 INSTRUMENTSELF-TEST/
CHECKOUT
Perform the following checkout procedure to
verifytheoperationoftheT-BERD107A.Perform
theoptioncheckoutprocedure(s)foreachinstalled
optionandskiptheoptioncheckoutprocedure(s)for
theoption(s)notinstalled.
InstrumentCheckoutBasicSetup
1. Open the T-BERD 107A cover
Release the latch on the right side of the
instrument and open the cover to its full
extension.
2. Connect AC power to the T-BERD 107A
InserttheT-BERD107AACpoweradapter
intotheACADAPTERconnectoronthetop
panel of the T-BERD 107A and plug the
other end of the cable into an AC power
source.
3. POWERswitch
Press this switch on the lid panel to apply
power to the T-BERD 107A. When the in-
strument is powered up, an automatic self-
testis initiated thatperforms the following
functions.
•MomentarilyilluminatesallLEDs.
•IlluminatestheChargingLED.