Sunrise telecom SSxDSL-5M User manual

1SSxDSL-5M
IDSL Module
for the MTT and xDSL
Family of Products
MAN-10980-US001 Rev. H00
302 Enzo Drive San Jose, CA 95138
Tel: [phone] Fax: [phone]
User’s Manual
SSxDSL-5M

2 SSxDSL-5 IDSL Module

WARNING
Using the supplied equipment in a manner not specified by Sunrise Telecom may
impair the protection provided by the equipment.
CAUTIONS!
• Donotremoveorinsertthemodulewhilethetestsetison.Insertingorre-
movingamodulewiththepoweronmaydamagethemodule.
• Donotremoveorinsertthesoftwarecartridgewhilethetestsetison.Oth-
erwise,damagecouldoccurtothecartridge.
End of Life Recycling and Disposal Information
DO NOT dispose ofWaste Electrical and Electronic Equipment (WEEE) as
unsorted municipal waste. For proper disposal return the product to Sunrise
Telecom. Please contact our local offices or service centers for information on
howtoarrangethereturnandrecyclingofanyofourproducts.
EC Directive on Waste Electrical and Electronic Equipment (WEEE)
The Waste Electrical and Electronic Equipment Directive aims to
minimize the impact of the disposal of electrical and electronic
equipment on the environment. It encourages and sets criteria for
the collection, treatment, recycling, recovery, and disposal of waste
electrical and electronic equipment.
© 2010 Sunrise Telecom Incorporated. All rights reserved.
Disclaimer:Contentssubjecttochangewithoutnotice.

3SSxDSL-5M
IDSL Module
1 IDSL Module.......................................................5
1.1 Test Set LEDs ...................................................................5
1.2 Module Connector Panel ...................................................7
2 IDSL Menus ........................................................9
2.1 IDSL/ISDN BERT Main Menu..........................................10
2.1.1 Test Configuration.........................................................10
2.1.1.1 U Interface Test Configuration ...................................11
2.1.1.2 S/T Interface Configuration........................................14
2.1.2EOCControl ................................................................16
2.1.3 M4 Access....................................................................18
2.1.4 BERT and Results ........................................................20
2.2 40 kHz Tone.....................................................................23
2.3 ISDN-BRI.........................................................................24
2.3.1 Test Configuration.........................................................24
2.3.2 Call Setup.....................................................................27
2.3.3 D-Channel Status .........................................................29
2.3.4OtherFeatures .............................................................30
2.3.4.1 Auto SPID Detect ......................................................31
2.3.4.2 Guess SPID ..............................................................31
2.3.4.3 Auto Service Scan.....................................................32
2.3.4.4 Self BERT Call...........................................................33
2.3.4.5 Dual BERT Call .........................................................34
2.3.4.6 Bonding Call ..............................................................35
2.3.4.7 Supplementary Service Scan ....................................36
2.3.5 BERT and Results ........................................................38
2.3.6 Protocol Analysis..........................................................40
2.3.6.1 Filter Setup ................................................................40
2.3.6.2ViewPrintBuffer ........................................................41
2.3.7OtherSetup ..................................................................47
2.4 X.25-BRI..........................................................................49
2.4.1 Test Configuration.........................................................49
2.4.2 Call Setup.....................................................................51
2.4.3 Protocol Analysis..........................................................53
2.4.3.1 Filter Setup ..................................................................53
2.5 SRAM Utility ....................................................................61
2.6View/Store/Print...............................................................62
2.6.1 Saving a Test ................................................................63
2.6.2ViewingaStoredTest ...................................................63
2.6.3 Printing a Stored Test ...................................................63
2.6.4 Deleting a Stored Test ..................................................63
2.6.5 Locking & Unlocking a Stored Test ...............................63
2.6.6 Renaming a Stored Test ...............................................63
2.7 Profiles.............................................................................65

4 SSxDSL-5 IDSL Module
3 Applications.....................................................67
3.1 LT Mode Testing...............................................................67
3.2 ISDN Call Setup Testing ..................................................69
3.3 X.25-BRI Testing..............................................................70
4 General Information ........................................73
4.1 Testing and Calibration Statement...................................73
4.2ExpressLimitedWarranty................................................73
4.3 Customer Service............................................................73
Index ......................................................................75

5SSxDSL-5M
1 IDSL Module
1.1 Test Set LEDs
SSMTT-ACM, -ACM+, -EX SSMTT-B, -C
Figure 1 Test Set LED Panels
ThefollowingtestsetLEDsshowninFigure1areused.Noteif
anLEDisblinking,pressHISTORYtoclear.
MODULE
• Green:Testsetisinmodulemode.
SIGNAL
• Green: The test set is receiving valid signal at the proper inter-
face . For example, if the test set is configured for U interface
testing, this is green to indicate it is receiving a signal at the
U interface.
• Red: Itisredwhenthetestsetisnotreceivingasignal.
LP 1 SYNC
• Green:Layer1framesynchronizationisestablished.ForISDN
testingitblinksgreenwhenLayer1framesyncisestablished,
but the SPIDs have not yet been initialized. It is solid green
once the SPIDs have been accepted.
• Red:Noframesynchronizationhasbeenestablished.
FRAME
• Green:thetestsetisreceivingavalidsignalandhasacquired
frame synchronization on the external clock signal.
• Red:Thetestsetisnotdetectingtheexternalclocksignalat
the interface. See External Clock Signal.
ERRORS
• Red:Thetestsetiscurrentlydetectinganerror.ForS/TIn-
terface testing, this could be a Frame error. For U interface
testing, this could be NEBE or FEBE errors.
• BlinkingRed:Thetestsethaspreviouslydetectedanerror,
but that error is no longer present.

6 SSxDSL-5 IDSL Module
BPV/CODE
• Red:ThetestsetiscurrentlydetectingaBipolarViolationon
the S/T interface.
• BlinkingRed:ThetestsethaspreviouslydetectedaBPVon
the S/T interface, but the error is no longer present.
PAT SYNC
• Green:Thetestsethasachievedpatternsynchronizationdur-
ing IDSL BERT testing or during an ISDN data call.
• Red:Thetestsethaslostpatternsynchronizationorcannot
achieve pattern sync.
BIT ERR
• Red:Thetestsetiscurrentlydetectingbiterrors.
• BlinkingRed:Thetestsethaspreviouslydetectedbiterrors,
but they are no longer present.

7SSxDSL-5M
1.2 Module Connector Panel
ThemoduleconnectorpanelisshowninFigure2.
HANDSET U EXT CLK
T1/E1
EXT CLK ST U-281Q
Figure 2 Module Connector Panel
Themodulecontainsthefollowingports:
U-2B1Q
ThisisanRJ-45portwhichusesthecenterpins(4,5).Itshould
beusedwhentheUinterfacehasbeenselectedinTESTCON-
FIGURATIONandaretestingatthe2-wireUinterface.
S/T
ThisisanRJ-45portwhichusespins3,4,5,and6.Itshouldbe
used when the S/T interface has been selected S/T inTEST
CONFIGURATIONandaretestingatthe4-wireS/Tinterface.
T1/E1 EXT CLK
This bantam port should be used to retrieve timing from the T1 or
E1signal.UseitinLTmodewhenEXT-T1orEXT-E1hasbeen
selected as the TX Clock source. This reference signal can be
obtained from the output of the BITS clock or any T1/E1 signal
carryingthenetworkclockreference.
U EXT CLK
This port should be used to retrieve the timing from the U interface
2B1Qsignal.UseitinLTmodewhenEXT-Uhasbeenselectedas
the TX Clock source. A U 2B1Q reference signal can be obtained
from an IDSL output on a DSLAM.
HANDSET
This is an RJ-9 port that requires the Sunrise Telecom SS427
handset.

8 SSxDSL-5 IDSL Module

9SSxDSL-5M
2 IDSL Menus
Themenutreeshowsthelocationofmajormenuitems:
IDSL/ISDN BERT
2.1.1
TEST CONFIGURATION
EOC CONTROL
2.1.2
M4 ACCESS
2.1.3
BERT AND RESULTS
2.1.4
IDSL - BRI
2.3.1
TEST CONFIGURATION
CALL SETUP
2.3.2
D CHANNEL STATUS
2.3.3
OTHER FEATURES
2.3.4
BERT AND RESULTS
2.3.5
PROTOCOL ANALYSIS
2.3.6
OTHER SETUP
2.3.7
IDSL MAIN MENU
2.1
IDSL BERT
40 kHz TONE
2.2
ISDN - BRI
2.3
X.25 - BRI
2.4
SRAM UTILITY
2.5
VIEW/STORE/PRINT
2.6
PROFILES
2.7
MODULE
KEY
X.25 - BRI
2.4.1
TEST CONFIGURATION
CALL SETUP
2.4.2
PROTOCOL ANALYSIS
2.4.3
OTHER SETUP
2.4.4
Figure 3 Module Menu Tree

10 SSxDSL-5 IDSL Module
2.1 IDSL/ISDN BERT Main Menu
See Section 3.1 for procedures for LT Mode Testing.
This menu screen contains:
• TESTCONFIGURATION
• EOCCONTROL
• M4ACCESS
• BERTANDRESULTS
2.1.1 Test Configuration
The conguration settings change slightly whether a U or S/T
interface is tested.
INTERFACE
Options:U(F1),S/T(F2)
• U:Usewhenconnectingthemoduletothe2-wireUinterface.
Whenused,usetheU2B1Qjackonthemodule.
• S/T(F2)Usewhenconnectingthemoduletothe4-wireS/T
interface.Whenused,usetheS/Tjackonthemodule.
DSLAM
or
CO Switch
LT U-281Q
NT
TE
S/T
NT1
U-281Q LT
U NT-144K Mode
U LT-144K Mode
Figure 4 U NT and LT-144K Modes

11SSxDSL-5M
2.1.1.1 U Interface Test Configuration
11:50:45
NO PWR
TEST CONFIGURATION
INTERFACE : U
MODE : LT-144K
TX CLOCK : INT
TEST CHANNEL : B1
TEST PATTERN : 2047
US/T
Figure 5 U interface Test Configuration Screen
CongurethefollowingsettingsfortheUinterface:
MODE
Options: NT-144K (F1), LT-144K (F2), NT-LOOP (F3), LT-LOOP
(F4)
• NT-144K:EmulatetheUinterfacesideofanNT1deviceand
terminates the signal. This mode should be used to emulate
the user side and run a BERT test on any combination of B
andD-channels.In144Kmode,thetestpatternwillbeinserted
on the selected test channel.
• NT-LOOP:EmulatetheUinterfacesideofanNT1deviceand
loop the received signal.In this mode, the entire 144 kbps signal
willbeloopedfromthereceivetotransmitsignal.NT-LOOP
mode is similar to the upper illustration in Figure 4; the only
differenceisthemodulewillloopthereceivedsignalbackto
theswitch.
• LT-144K:EmulateanLTdeviceandterminatethesignal.This
modeshouldbeusedtoemulatetheswitch/networksideand
run a BERT test on any combination of B and D-channels. In
144Kmode,thetestpatternwillbeinsertedonthetestchan-
nelselectedbelow.
• LT-LOOP:EmulateanLTdeviceandloopthereceivedsignal.
Inthismode,theentire144kbpssignalwillbeloopedfrom
thereceivetotransmitsignal.LT-LOOPmodeissimilartothe
lowerillustrationinFigure4;theonlydifferenceisitloopsthe
receivedsignalbacktowardthecustomer.

12 SSxDSL-5 IDSL Module
Tx CLOCK
Options:INT(F1),EXT-T1(F2),EXT-E1(F3),EXT-U(F4)
The transmit clock setting determines the clock source to time the
transmit signal. This is applicable to LT mode only; for NT mode,
the test set uses the timing received from the network. Exter-
naltimingshouldbeusedwhentheIDSLcircuitistransported
through a digital loop carrier system that is timed off a central
networkclock.
• INT:Usethetestsetsinternalclocktotimethetransmitsignal.
Itisthemasterclockonthenetwork.
• EXT-T1: Use an external T1 timing source from theT1/E1
EXTCLKbantamport.TheexternalT1timingsourcecanbe
from the output of the BITS clock or any T1 signal carrying the
networkclockreference.
• EXT-E1: Use an external E1 timing source from theT1/E1
EXTCLKbantamport.TheexternalE1timingsourcecanbe
from the output of the BITS clock or any E1 signal carrying
thenetworkclockreference.
• EXT-U:Useanexternaltimingsourcefromthe2-wireUInter-
face,theUEXTCLKport.TheU-2B1QIDSLoutputfromthe
DSLAM can be used an external U-reference source
TEST CHANNEL
Options:B1(F1),B2 (F2), D (F3),B1+B2(more,F1), 2B+D(more,
F2)
Determinewhichchanneltotestandinsertatestpattern.This
settingisapplicableonlytoLTorNT-144Kmodes.Forloopmodes,
theentire144K(2B+D)signalislooped.
• B1:TesttheB-channel1.B-channel1containsthetestpattern,
B2 and D are idle.
• B2:TesttheB-channel2.B-channel2containsthetestpattern,
B1 and D are idle.
• D:TesttheD-channel.TheD-channelcontainsthetestpattern,
both B-channels are idle.
• B1+B2:Test both B-channels. Both B-channels contain the
test pattern, the D-channel is idle.
• 2B+D:TestbothB-channelsandtheD-channel.Thismeans
the test pattern is placed in B1, B2, and D-channels.
TEST PATTERN
Determine the test pattern the test set will transmit. Press F1
display a TEST PATTERN selection screen. In it select a pattern
using and press ENTER. The just selected pattern is
displayedontheTESTPATTERNlineintheTESTCONFIGURA-
TIONscreen.Theavailablepatternsare:
• 63:Alsoknownas2e6,itisapseudorandomsequencegener-

13SSxDSL-5M
atedwitha6-bitshiftregister.
• 127: Also known as 2e7, it is a pseudorandom sequence
generatedwitha7-bitshiftregister.
• 511: Also known as 2e9, it is a pseudorandom sequence
generatedwitha9-bitshiftregister.
• 2047:Alsoknownas2e11,itisapseudorandomsequence
generatedwitha11-bitshiftregister.
• 2e15:This is a pseudorandom sequence generated with a
15-bit shift register.
• 2e20:This is a pseudorandom sequence generated with a
20-bit shift register.
• ALL1:Thisisanallonespattern.
• ALL0:Thisisanallzerospattern.
• 1010:Thisisanalternatingonesandzerospattern.
In addition to the standard patterns, three custom test patterns
may be stored at USER1, USER2, or USER3.
To create a custom pattern:
1. In TEST PATTERN, select either USER1, USER2, or
USER3.
2. Press F1 to create and the cursor shifts to the USERx line.
3. Press SHIFT then enter the bit pattern using the keypad. This
is in binary format so enter 1’s and 0’s. Enter up to 16 bits.
• Ifamistakeismadewhileenteringadigit:
A. Press SHIFT and use to select the incorrect digit.
B. Press SHIFT again and use the numeric keypad to enter
the correct digit.
4. Whennished,pressDONE(F1).
5. Select the just created USER pattern and press ENTER. The
selected USER is then displayed in the TEST PATTERN line
intheTESTCONFIGURATIONscreen.
Whennished,pressESC.

14 SSxDSL-5 IDSL Module
2.1.1.2 S/T Interface Configuration
US/T
11:50:45
NO PWR
TEST CONFIGURATION
INTERFACE : S/T
MODE : LT-144K
TEST CHANNEL : B1
TEST PATTERN : 2047
S/T TERM : ON
Figure 6 S/T Interface Test Configuration Screen
DSLAM
or
CO Switch
LT UNT1
S/T
TE
S/T TE-144K Mode
TE
S/T
NT
S/T NT-144K Mode
Figure 7 S/T TE and NT-144K Modes
CongurethefollowingsettingsfortheS/Tinterface:
MODE
Options: TE-144K (F1), NT-144K (F2),TE-LOOP (F3), NT-LOOP
(F4)
• TE-144K:EmulateaTEdeviceandterminatethesignal.This
should be used to emulate the user side and run a BERT test
onanycombinationofBandD-channels.In144Kmode,the
testpatternwillbeinsertedonthetestchannelselectedbelow;

15SSxDSL-5M
theunselectedchannel(s)willtransmitidlecode.
• TE-LOOP:EmulateaTEdeviceandloopthereceivedsignal.
In this, the entire 144 kbps signal is looped from the receive
totransmitsignal.Thismodeissimilartothatshowninthe
top illustration in Figure 7; the only difference is the module
willloopthereceivedsignalbacktotheswitch.
• NT-144K:EmulateanNT1deviceandterminatethesignal.
Usetoemulatetheswitch/networksideandrunaBERTtest
onanycombinationofBandD-channels.In144Kmode,the
testpatternwillbeinsertedonthetestchannelselectedbelow;
unselecedchannelswilltransmitidlecode.
• NT-LOOP:EmulateanNT1deviceandloopthereceivedsig-
nal.Inthis,theentire144kbpssignalwillbeloopedfromthe
receivetotransmitsignal.Thismodeissimilartothatshown
in the bottom illustration in Figure 7; the only difference is it
loopsthereceivedsignalbacktowardthecustomer.
TEST CHANNEL
Options: B1 (F1), B2 (F2), D (F3), B1+B2 (more, F1), 2B+D
(more,(F2)
Determinewhichchannelstotestandinsertatestpattern.This
settingisapplicableonlytoLTorNT-144Kmodes.Forloopmodes,
theentire144K(2B+D)signalislooped.Fordetails,seeSection
2.1.1.1-TEST CHANNEL.
PATTERN
Determine the test pattern the test set will transmit. Press F1
display a TEST PATTERN selection screen. In it select a pattern
using and press ENTER. The just selected pattern
isdisplayedontheTESTPATTERNlineintheTESTCONFIGU-
RATION screen.The available patterns are listed in Section
2.1.1.1-PATTERN.
S/T TERM
Options:ON(F1),OFF(F2)
DeterminewhetherornottoterminatetheS/Tinterface.
• ON:Thelineisterminatedwith100W.Usewhenthetestset
is the only TE device connected to the S/T bus.
• OFF:Placeahighimpedanceresistanceontheline.Usewhen
there are other TE devices connected to the S/T bus.

16 SSxDSL-5 IDSL Module
2.1.2 EOC Control
IfLTwasselectedastheTESTMODE,aloopbackcanbeused
on NT1 and any U-repeaters in the this screen. The Embedded
OperationsChannelisa2kbpssectionofoverheadontheISDN
basic rate signal. It carries special commands to U-BRITE cards,
mid-span repeater, or NT1s.
SEND NEXT
11:50:45
EOC CONTROL
ADDRESS : 0(NT1)
COMMAND : B1 LOOPBACK
EOC BITS : 000101010001
------------------------------
RX ADDRESS : 7 (GLOBAL)
RX COMMAND : B1 LOOPBACK
RX EOC BITS : 000101010001
PREV
Figure 8 EOC Control Screen
The top three lines of this screen pertain to transmitted com-
mands. The bottom three lines display the received information.
WhenthemoduleisconguredtoNT-144KorNT-LOOPmode
ontheUinterface,onlythebottomthreelinesofthedisplaywill
be available.
ADDRESS
Options:0–7
TheEOCaddressiscontainedintherstthreebits,anddesig-
nateswhichdevicewillreceivetheEOCcommand.PressNEXT
(F2)andPREV(F3)tomakeaselection.Theaddressisdisplayed
atrightinparentheses.Thefollowingareavailable:
• 0:NT1
• 1–6:Mid-spanU-repeatersorU-BRITEcard.1referstothe
first repeater on the span; 2 to the second, and so forth.
• 7:Global,theselectedCOMMANDwillbeperformedbythe
first device to receive it.
Note :TherstthreebitsofEOCBITSchangeasADDRESSis
changed.

17SSxDSL-5M
COMMAND
Options:NORMAL(F2),LOOP2BD(F3),LOOPB1(more,F2),
LOOPB2(more,F3),REQ_CRC(more,F2),NTI_CRC (more,
F3),HLD_STA(more,F2)
Thefollowingcommandscanbesent:
• NORMAL:ReturntoNormalmessageisusedtoloopdown
a device and to return it to an idle condition. It is also the idle
conditionwhichisconstantlybeingsentontheEOCchannel.
After looping a device and running the test, send this command
to return the device to its normal state.
• LOOP2BD:Thiscommandloopsthewhole144kpipe:both
B-channels and the D-channel.
• LOOPB1orLOOPB2:ThiscommandloopsthespeciedB-
channel data stream, either B1 or B2.
• REQ_CRC:TheRequestCorruptedCRCmessagestellsthe
addressed device to send CRC errors toward the network.
Use this it to check CRC error detection at the U interface.
• NTI_CRC:NotifyCorruptedCRCtellstheaddresseddevice
that the network will be sending CRCs towards customer
equipment.
• HLD_STA:TheHoldStatemessagetellstheaddresseddevice
to hold its current state.
EOC BITS
AsselectionsineithertheADDRESSorCOMMANDeldsare
made,theEOCBITSwillchangeaccordingly.However,ifdesired,
they may be manually entered by:
1. Press SHIFT and use the numeric keypad to enter zeros and
ones.
2. Press SHIFT to use tomovewithintheline.
Whenready,pressF1tosendthecommand.

18 SSxDSL-5 IDSL Module
2.1.3 M4 Access
Inthisscreen,viewandcontroltheD-channelM4maintenance
bits. M4 maintenance bits are sent in both directions of the ISDN
BRIspan.ThisfeatureisavailableonlywithUinterfacetesting.
SEND
11:50:45
M4 ACCESS
NET -> NT
M4 : 01111111
_ACT *DEA *SCO *UOA *AIB
NT -> NET
M4 : 01110111
_ACT *PS1 *PS2 *NTM_CSO *SAI
Figure 9 M4 Access Screen
TherstthreelinesshowtheM4bitsinthenetworktoNT1direction;
whenthetestsetisinLTmode,thesebitscanbecontrolled.The
lowerthreelinesshowtheM4bitsintheNT1tonetworkdirection.
WhenthetestsetisconguredtoNT-144KorNT-LOOPmode,
only the NET-> NT M4 status is available.
The status of each bit is represented by:
A * : Indicates that this bit is set for 1. For example, in Figure 9,
fromNET->NT,theDEA,SCO,UOA,andAIBbitsaresetto1.
A _ : Indicates that this bit is set to 0. In Figure 9, from NET ->NT,
the ACT bit is set for 0.
Eachbitisdenedasfollows:
ACT: The Activation or start-up bit is set to 1 during the start up
sequence to communicate readiness for layer 1 communication.
DEA :The Deactivation or turn-off bit is set to 0 by the LT to indicate
itsintentiontotakedownlayer1.
SCO :Thisbitissetto1bytheLTtonotifytheNT1thattheLTwill
deactivatetheloopbetweencalls.
UOA :TheUinterfaceOnlyActivationbitissetto1toindicateto
the NT1 to activate the S/T Interface or it is set for 0 to tell the
NT1 to deactivate the S/T Interface.

19SSxDSL-5M
AIB : The Alarm Indication Bit is set to 1 to indicate good framing
and timing from the NT1 or it is set to 0 to indicate a loss of signal
of frame synchronization from the NT1 to LT.
PS1, PS2 :ThesearePowerStatus1and2bits.Theyareusedto
indicatetheNT1’spowerstatus.Thesearecodedasfollows:
• 11:AllNormalPower,primaryandsecondaryareinservice.
• 10:Secondarypowerisoutofservice.
• 01:Primarypowerisoutofservice.
• 00:Primaryandsecondaryareoutofservice.
NTM : The NT1 in Test Mode bit is set to 0 to indicate that the
NT1 is in a customer initiated test mode and may not be able to
respond to messages or eoc commands.
CSO :TheColdStartOnlybitissetto1toindicatethattheNT1
hasaColdStartOnlytransceiver.
SAI :The S/T Interface Activation Indicator bit is set to 1 to indicate
the S/T Interface is active or it is set to 0 to indicate no activity.

20 SSxDSL-5 IDSL Module
2.1.4 BERT and Results
STOP
11:50:45 Meas
> <
> <
ELASPSED TIME:
000:03:24
ERROR COUNT:
SIG LOSS
PAGE-DNPAGE-UP
Use this for testing of the
physical layer, as well as
running a BERT. Three screens
are available.
These measurements are
independent of test pattern
and pattern synchronization.
The first screen, shown on the
right displayes elapsed time
and error count.
Figure 10 Summary Results Screen
ThefollowingF-keysareavailableinallresultscreens:
PAGE-UP (F1) and PAGE-DN (F2): Use to scroll through the
available screens.
STOP/START (F3):Usetostopthecurrentmeasurement.Press
again to restart the test and reset all counters to zero.
Whenthetestisstopped,thefollowingF-keyisavailable.
STORE (F4):PresstostorethemeasurementresultsasaCSV
file. See Section 2.6..
Logical Results Screen
STOP
11:50:45 Meas
> <
> <
RESULT - LOGICAL
ET - 000:43:31 RT - CONTINU
RX - 63 TX - 63
BIT : 0 BER : 0
ES : 0 %ES : 0
SES : 0 %SES : 0
EFS : 2611 %EFS : 100
AS : 2611 %AS : 100
UAS : 0 %UAS : 0
DGRM: 0 %DGRM : 0
PAGE-DNPAGE-UP
This screen is the logical
screen, it records all bit errors.
The measurements refer to
out of service testing with a
known test pattern. The test
set must have pattern sync to
measure bit errors; otherwise
it reports UAS.
Figure 11 Logical Results Screen
Thefollowingisreported.
ET: Elapsed Time in Hours:Minutes:Seconds
RT: Remaining Time is Continuous in a untimed measurement.
RX: Received test pattern.
TX: Transmitted test pattern.
AS: Count of Available Seconds since the start of the test. A bit AS
is any bit error-free, bit errored, or bit severely errored second.
%AS: Percentage of Available Seconds since the start of the
test.