ADC HDSL4 Manuel d'utilisateur

ATT-TP-000-000-006SSTC: SSIM:: High Capacity Digital TestingTo: ATT technicians that test Hi-Cap DS1 circuitsEffective Date: June, 2001Issue Date: Iss

4.1. NCI and NC CODES TO IDENTIFY LINE CODE (AMI VS.B8ZS),FRAMING, AND IMPEDANCETable 3, below carries select NC codes. The fourth character is not in

NOTE:For more information see Telcordia Technologies Practice BR-795-403-100.4.2. FACILITY TYPE AND LINE CODE FOR USE WITH CLFI CODEAMI or B8ZS can be

Table 5: DefinitionsErrored Second Any one-second period containing one or more bit errors.AMI Alternate Mark Inversion is a pseudo-ternary signal con

voltage between the two test points labeled CURRENT or VOLTAGE. The voltage should be 0.6 VDC +/- 0.03 volts toequal 60ma.NOTE:Current measurement tes

Table 7: 1 in 8 TEST PATTERN FOR B8ZS LINE CODINGPattern Average Ones Dens-ityMaximum Zeros Circuit Stressed1 in 8 (un-framed) 12.5% 7 Timing1 in 8 (f

Table 9: ALL 1'S TEST PATTERN FOR AMI AND B8ZS LINE CODEPattern Average Ones Dens-ityMaximum Zeros Circuit StressedAll Ones (un-framed) 100% 0 Re

PB/NB: Tech Pub L-780059-PB/NB that is available upon customer request contains parameters from this documentfor provisioning and maintenance tests. N

Table 10: AMI Standard (Non-HDSL) Spans - ProvisioningRequired Tests General Information ParametersDB Loss Test Unframed all ones pattern sent fromCO

Table 11: AMI HDSL Span - ProvisioningRequired Tests General Information ParametersPulse (Attenuation) HDSL reading at customerpremises (This reading

•Date and time must be set.•Actual pair loss for HDSL and HDSL2 should not exceed -35 dB at 196 kHz using a 135 # termination per link orsection. This

Table Of ContentsGeneral1. REASON FOR REISSUE12. IDENTIFYING HICAP (T1) SERVICES22.1. COMMON LANGUAGE CIRCUIT IDENTIFICATION (CLCI)22.2. COMMON LANGUA

Table 12: B8ZS Standard (Non-HDSL) Spans - ProvisioningRequired Tests General Information ParametersDB Loss Test Unframed all ones pattern sent from C

Table 13: B8ZS HDSL Spans - ProvisioningRequired Tests General Information ParametersPulse (Attenuation) HDSL card reading at customerpremises (This r

1 thirty second testSpecial Note: For Adtran HDSL2 cards used in a Litespan application. Although the Adtran card is shipped with aline code of B8ZS,

NOTE:Above tests constitute acceptable test parameters for circuit turnup in accordance with ANSI StandardT1 403 Figure 1. If these parameters are not

Table 15: 24 Hour Test Parameters (Not a Standard Extended Test)Facility Type Errored Seconds (ES) Al-lowedSevere ErroredSeconds (SES) Al-lowedConsecu

•Accepted by - name of person accepting service•LCON - name and phone number of Local Contact•NI A/Z - Physical location, type and position numbers of

Automated Testing and Analysis System (ATAS) is the automated system that will populate test results in the log ofWFA/C. These test results are used f

Table 17: AMI HDSL Span - MaintenanceRequired Tests General Information ParametersPulse (Attenuation) HDSL card reading at customerpremisesADC/Pairgai

required test.•Actual pair loss for HDSL4 should not exceed -44 dB at 196 kHz using a 135 # termination for circuits not using aregenerator or on the

Table 18: Maintenance Test Patterns B8ZS Line Code Standard SpansRequired Tests General Information ParametersQRSS1 five minute testtest pattern 0 err

GeneralPurposeThis document replaces regional documents for 13 state conformity. Special Services Test Centers Managementrequested a team to update te

Table 19: B8ZS HDSL Spans - MaintenanceRequired Tests General Information ParametersPulse (Attenuation) HDSL card reading at customerpremisesADC/Pairg

SSTC must set the Litespan linecode to B8ZS to ensure proper line code information is set in the Litespan system linecard. The SSIM technician is not

Figure 1: B8ZS Line Code VerificationNOTE:Do not utilize loopbacks to run this line code verification. A straight-away test is used. This test may ber

5.0 ATAS TESTING5.1 Circuits tested by ATASATAS will grab a new report from the WFA/C trouble list when the following conditions are met:•The circuit

Test patterns used are determined by the line coding. ATAS will run these tests depending on the linecode ATAS is checking for.AMI ATAS tests are:•QRS

B8ZS - Binary with 8 Zero Substitution line codingBERT - Bit Error Rate TestBT - Bridged Tap - See definition in Attachment 3CART - Craft Access Remot

PA - Pulse Attenuation - See definition in Attachment 3PM - Performance MonitoringPROCDS - TIRKS ModelQRSS - Quasi Random Signal Sequence - test patte

•Single or multi-gauge ( 19, 22, or 24 ) cable plus bridged tap may not exceed 12 kft•HDSL2 requires that Multi-gauge containing 26-gauge cable plus b

•38% of the units returned were found to have been subjected to a power surge. Proper grounding eliminates thisproblem.•38% of the units had no troubl

Issue 10: 01/07/03 PMW Change AIT to SBC Midwest, SWBT to SBC Southwest, PB/NB to SBC West and SNET toSBC SNET to show correct corporate identity. Add

•HX or FL•IP•SY•YB•UM2.2. COMMON LANGUAGE FACILITY IDENTIFICATION (CLFI)The Common Language Facility Identification (CLFI) is located on WFA/C screens

Below is a portion of a WORD document containing an example of a standard span utilizing Intelligent Office Repeat-ers(IOR). Note the pair separation.

3.2. HDSL SPAN IDENTIFICATIONSpan type identification is determined from circuit design on the WORD document. The span type is determined fromthe cust

Table 1: Span Types ATT Midwest, ATT Southwest and ATT SNETT1S Standard span no HDSLT1SH ADC(Pairgain) HDSL no regeneratorsT1SHDNote: WFA may populate

Table 2: ATT West Equipment CodesUsage Co Repeater NCTE at Customer EndT1 (non HDSL) KENTORB TSNPSC2ANNT1 (non HDSL) Teltrend ORBSTT TSNPSC2ANNT1 (non