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Wavetek ANT-20 Operating Manual

Advanced network tester
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2
ANT-20, ANT-20E
Advanced Network Tester
STM-1 Mappings
BN 3035/90.01 to 90.06
Drop & Insert
BN 3035/90.20
in combination with
STM-1 Mappings
Software Version 7.20
Operating Manual

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Summary of Contents for Wavetek ANT-20

  • Page 1 ANT-20, ANT-20E Advanced Network Tester STM-1 Mappings BN 3035/90.01 to 90.06 Drop & Insert BN 3035/90.20 in combination with STM-1 Mappings Software Version 7.20 Operating Manual...
  • Page 2 Please direct all enquiries to your local Wavetek Wandel Goltermann sales company. The addresses are given at the end of this handbook. Copyrights This product or parts of it are based upon Recommendations and/or Standards of the Standardization Sector of the International...

  • Page 3: Table Of Contents

    ANT-20/ANT-20E STM-1 mapping Contents Specifications STM-1 Mapping ......... . S-1 General information.
  • Page 4 STM-1 mapping ANT-20/ANT-20E C-11 mapping (1.5 Mbit/s in STM-1, AU-3/AU-4, TU-11/TU-12) ..S-24 1.8.1 VC-11 Path Overhead contents ..... S-26 1.8.2...

  • Page 5: Specifications

    ANT-20/ANT-20E STM-1 mapping Specifications These specifications apply to the options: STM-1 Mapping for ETSI tributaries C-12 (2 Mbit/s in STM-1, AU-3/AU-4)........BN 3035/90.01 C-3 (34 Mbit/s in STM-1, AU-3/AU-4).

  • Page 6: Tributary Channel Numbering

    STM-1 mapping ANT-20/ANT-20E Tributary channel numbering TU-3 TU-2 TU-12 TU-11 TS # TU-3 TU-2 TU-12 TU-11 TS # TU-3 TU-2 TU-12 TU-11 TS # Table S-1 Channel numbers to G.707 (relationship between TU and time slot TS #) Scrambling/Descrambling The STS-N signal is scrambled/descrambled as described in ITU-T G.707.

  • Page 7: Overhead Generation

    ANT-20/ANT-20E STM-1 mapping Overhead generation 1.4.1 Section Overhead (SOH) Standard Overhead, STM-1 (hex) S O H –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– –– for AU-4 for AU-3 –– –– –– ––...

  • Page 8: Stm-1 Error Insertion (Anomalies)

    STM-1 mapping ANT-20/ANT-20E 1.4.2 STM-1 error insertion (anomalies) Error insertion (anomalies) ........B1, B2, B3 parity errors,...

  • Page 9: Stm-1 Alarm Generation (Defects)

    ANT-20/ANT-20E STM-1 mapping 1.4.3 STM-1 alarm generation (defects) Defect Test sensor Test sensor thresholds function On/Off M in N |----t1----| |------t2------| M = 800 bis 7200 t1 = 0.1 bis 60.0 s N = 1600 bis 8000 t2 = 0.2 bis 600 s M = 1 to N - 1 t1 = 0.1 to 60.0 s...

  • Page 10: Pointer Action Generation

    STM-1 mapping ANT-20/ANT-20E 1.4.4 Pointer action generation Stimulation Pointer sequences On all pointer levels to ITU-T G.783 T1, T4: 0.25 ms to 600 s ........(2 to 4800000 frames) T2, T3: 0.25 ms to 10 s .
  • Page 11 ANT-20/ANT-20E STM-1 mapping n Pointer Fig. S-5 Pointer burst with missing pointers 87 pointer actions 3 x no pointer action Fig. S-6 ”87-3” sequence 43 pointer actions 44 pointer actions 3 x no pointer action Fig. S-7 ”43-44” sequence with double pointer...
  • Page 12 STM-1 mapping ANT-20/ANT-20E Pointer jumps Pointer jump from pointer value A to pointer value B (also setting a new pointer). Pointer jumps are executed with NDF. Pointer range A + B: AU-4/AU-3 pointer ........... . . 0 to 782 TU-3 pointer.

  • Page 13: Stm-1 Error Measurements (Anomalies

    ANT-20/ANT-20E STM-1 mapping 1.4.5 STM-1 error measurements (anomalies) Evaluation All errors (anomalies) are counted simultaneously and stored. Gate times ........... . . 1 to 99 seconds...

  • Page 14: Stm-1 Alarm Detection (Defects

    STM-1 mapping ANT-20/ANT-20E 1.4.6 STM-1 alarm detection (defects) Evaluation All alarms (defects) which occur are evaluated simultaneously where possible and stored. Storage takes place only within a started measurement interval. Time resolution of defects ..........100 ms...

  • Page 15: Measurement Of Au And Tu Pointer Actions

    ANT-20/ANT-20E STM-1 mapping 1.4.7 Measurement of AU and TU pointer actions Evaluation All pointers in the selected path are shown as absolute values and the direction and number of pointer movements is detected and counted. NDF (New Data Flag) is recorded and counted.

  • Page 16: Path Overhead (Poh), High Order

    STM-1 mapping ANT-20/ANT-20E 1.4.8 VC-4 Path Overhead (POH), High Order Standard overhead POH byte Option 3035/90.01, Option 3035/90.02 and Option 3035/90.03 Option 3035/90.04, Option 3035/90.05 Option 3035/90.06 J1 (ASCII) “WG HP-TRACE” “VC-4 MAPPING” “VC-4 BULK” B3 (hex) Inserted by parity formation C2 (hex) “02”...

  • Page 17: Vc-3 Path Overhead (Poh), High Order

    ANT-20/ANT-20E STM-1 mapping 1.4.9 VC-3 Path Overhead (POH), High Order Standard overhead POH byte Option 3035/90.01, Option 3035/90.04 Option 3035/90.02 and and Option 3035/90.06 Option 3035/90.05 Measured channels Fill channels Measured channels Fill channels J1 (ASCII) “WG HP-TRACE” “WG IDLE”...

  • Page 18: Evaluation Of Section Overhead (Soh) And Vc-4/Vc-3 Path Overhead (Poh

    STM-1 mapping ANT-20/ANT-20E 1.4.10 Evaluation of Section Overhead (SOH) and VC-4/VC-3 Path Overhead (POH) Display of complete SOH and POH ......... . . hexadecimal of Trace Identifier J0, J1 .

  • Page 19: Mapping (2 Mbit/S In Stm-1

    ANT-20/ANT-20E STM-1 mapping C-12 mapping (2 Mbit/s in STM-1, AU-3/AU-4) Option: BN 3035/90.01 Mapping structure: AU-4 Mapping structure: 2 Mbit/s → C-12 → AU-4 → STM-1 Fig. S-9 Mapping structure: AU-3 Mapping structure: 2 Mbit/s → C-12 → AU-3 → STM-1 Fig.

  • Page 20: Path Overhead Contents

    STM-1 mapping ANT-20/ANT-20E 1.5.1 VC-12 Path Overhead contents POH byte Measurement channel Filler channels V5 (binary) LP-BIP (bits 1-2) Inserted by parity formation Inserted by parity formation LP-REI (bit 3) “0” “0” LP-RFI (bit 4) “0” “0” Path Label (bit 5-7) “010”...

  • Page 21: Error Measurements (Anomalies

    ANT-20/ANT-20E STM-1 mapping 1.5.3 VC-12 alarm generation (defects) The following defects can be generated in addition to the alarm types specified in Sec. 1.4.3, Page S-5: Defect Test Sensor thresholds sensor function On/Off M in N I----t1----I I------t2------I TU-LOM M = 1 to N - 1 t1 = 0.1 to 60.0 s...

  • Page 22: Alarm Detection (Defects

    STM-1 mapping ANT-20/ANT-20E 1.5.5 VC-12 alarm detection (defects) The following defects can be evaluated and displayed in addition to the alarm detection specified in Sec. 1.4.6, Page S-10: Defect TU-LOM TU-LOM TU-LOP TU-LOP TU-AIS TU-AIS LP-UNEQ LP-UNEQ LP-PLM LP-PLM LP-RDI...

  • Page 23: Mapping (34/45 Mbit/S In Stm-1

    ANT-20/ANT-20E STM-1 mapping C-3 mapping (34/45 Mbit/s in STM-1, AU-3/AU-4) Option: BN 3035/90.02 for 34 Mbit/s Option: BN 3035/90.05 for 45 Mbit/s Mapping structure: AU-4 Mapping structure: 34/45 Mbit/s → C-3 → AU-4 → STM-1 Fig. S-11 Mapping structure: AU-3 Mapping structure: 34/45 Mbit/s →...

  • Page 24: Path Overhead Contents (Low Order

    STM-1 mapping ANT-20/ANT-20E 1.6.1 VC-3 Path Overhead contents (Low Order) POH byte Measurement channel Filler channels J1 (ASCII) “WG TRACE” “WG IDLE” B3 (hex) Inserted by parity formation C2 (hex) “04” for mapping signal “04” “FE” for bulk signal G1 (hex) “00”...

  • Page 25: Alarm Generation (Defects

    ANT-20/ANT-20E STM-1 mapping 1.6.3 VC-3 alarm generation (defects) The following defects can be inserted in addition to the defects specified in Sec. 1.4.3, Page S-5: Defect Test Sensor thresholds sensor function On/Off M in N I----t1----I I------t2------I TU-LOP M = 1 to N - 1 t1 = 0.1 to 60.0 s...

  • Page 26: Alarm Detection (Defects

    STM-1 mapping ANT-20/ANT-20E 1.6.5 VC-3 alarm detection (defects) The following defects can be evaluated and displayed in addition to the alarm detection specified in Sec. 1.4.6, Page S-10: Defect TU-LOP TU-LOP TU-AIS TU-AIS LP-UNEQ LP-UNEQ LP-PLM LP-PLM LP-RDI LP-RDI LP-TIM...

  • Page 27: Mapping (140 Mbit/S In Stm-1/Sts-3C

    ANT-20/ANT-20E STM-1 mapping C-4 mapping (140 Mbit/s in STM-1/STS-3c) Option BN 3035/90.03 STS-3c see also Operating Manual “STS-1 mappings”, section “STS-3c SPE mappings”. Mapping structure Mapping structure: 140 Mbit/s → AU-4 → STM-1 Fig. S-13 The mapping characteristics are described in Sec. 1.4, Page S-3.

  • Page 28: Mapping

    STM-1 mapping ANT-20/ANT-20E C-11 mapping (1.5 Mbit/s in STM-1, AU-3/AU-4, TU-11/TU-12) Option BN 3035/90.04 Mapping structure: AU-3, TU-11 Mapping structure: 1.5 Mbit/s → C-11 → TU-11 → AU-3 → STM-1 Fig. S-14 Mapping structure: 1.5 Mbit/s → C-11 → TU-11 → AU-3 → STM-0;...
  • Page 29 ANT-20/ANT-20E STM-1 mapping Mapping structure: AU-4, TU-11 Mapping structure: 1.5 Mbit/s → C-11 → TU-11 → AU-4 → STM-1 Fig. S-16 Mapping structure: AU-4, TU-12 Mapping structure: 1.5 Mbit/s → C-11 → TU-12 → AU-4 → STM-1 Fig. S-17 Mapping method The following modes are available: •...

  • Page 30: Path Overhead Contents

    STM-1 mapping ANT-20/ANT-20E 1.8.1 VC-11 Path Overhead contents POH byte Measurement channel Filler channels V5 (binary) LP-BIP (bits 1-2) Inserted by parity formation Inserted by parity formation LP-REI (bit 3) “0” “0” LP-RFI (bit 4) “0” “0” Path Label (bit 5-7) “010”...

  • Page 31: Alarm Generation (Defects

    ANT-20/ANT-20E STM-1 mapping 1.8.3 VC-11 alarm generation (defects) The following defects can be generated in addition to the alarm types specified in Sec. 1.4.3, Page S-5: Defect Test Sensor thresholds sensor function On/Off M in N I----t1----I I------t2------I TU-LOM M = 1 to N - 1 t1 = 0.1 to 60.0 s...

  • Page 32: Alarm Detection (Defects

    STM-1 mapping ANT-20/ANT-20E 1.8.5 VC-11 alarm detection (defects) The following defects can be evaluated and displayed in addition to the alarm detection specified in Sec. 1.4.6, Page S-10: Defect TU-LOM TU-LOM TU-LOP TU-LOP TU-AIS TU-AIS LP-UNEQ LP-UNEQ LP-PLM LP-PLM LP-RDI...

  • Page 33: Mapping (6.3 Mbit/S In Stm-1

    ANT-20/ANT-20E STM-1 mapping C-2 mapping (6.3 Mbit/s in STM-1, AU-3/AU-4, TU-2) Option BN 3035/90.06 Mapping structure: AU-3, TU-2 Mapping structure: 6.3 Mbit/s → C-2 → TU-2 → AU-3 → STM-1 Fig. S-18 Mapping method The following mode is available: • Asynchronous mode Mapping structure: AU-4, TU-2 Mapping structure: 6.3 Mbit/s →...

  • Page 34: Path Overhead Contents

    STM-1 mapping ANT-20/ANT-20E 1.9.1 VC-2 Path Overhead contents POH byte Measurement channel Filler channels V5 (binary) LP-BIP (bits 1-2) Inserted by parity formation Inserted by parity formation LP-REI (bit 3) “0” “0” LP-RFI (bit 4) “0” “0” Path Label (bit 5-7) “010”...

  • Page 35: Alarm Generation (Defects

    ANT-20/ANT-20E STM-1 mapping 1.9.3 VC-2 alarm generation (defects) The following defects can be generated in addition to the alarm types specified in Sec. 1.4.3, Page S-5: Test Defect sensor function Sensor thresholds On/Off M in N I----t1----I I------t2------I TU-LOM M = 1 to N - 1 t1 = 0.1 to 60.0 s...

  • Page 36: Alarm Detection (Defects

    STM-1 mapping ANT-20/ANT-20E 1.9.5 VC-2 alarm detection (defects) The following defects can be evaluated and displayed in addition to the alarm detection specified in Sec. 1.4.6, Page S-10: Defect TU-LOM TU-LOM TU-LOP TU-LOP TU-AIS TU-AIS LP-UNEQ LP-UNEQ LP-PLM LP-PLM LP-RDI...

  • Page 37: Drop & Insert / Through Mode

    Through Mode The received signal is looped through the ANT-20 and re-transmitted by the generator. One tributary signal can be output (dropped). The ANT-20 can also operate in Through Mode as a signal monitor without affecting the signal content. Fig. S-21...

  • Page 38: Clock Generator

    In conjunction with the Options “PDH MUX/DEMUX” and “M13 MUX/DEMUX”, BN 3035/90.30 to BN 3035/90.32, the ANT-20 provides access to the tributary channels within the MUX/ DEMUX chain (except DS2). This also applies if the PDH signal is transmitted in a container.

  • Page 39: Overhead Generator

    ANT-20/ANT-20E STM-1 mapping 2.1.2 Overhead generator Drop & Insert As specified in Sec. 1.4.1, Page S-3. Through Mode The “From Rx” function can be set in addition to the functions described in Sec. 1.4.1, Page S-3 for all bytes except bytes B1, B2 and M1.

  • Page 40: Signal Outputs

    STM-1 mapping ANT-20/ANT-20E Signal outputs 2.2.1 AUXILIARY signal output [11], electrical Connector ..........unbalanced, (coaxial) Socket type .

  • Page 41: Signal Inputs

    ANT-20/ANT-20E STM-1 mapping Signal inputs 2.3.1 AUXILIARY signal input [10], electrical Connector ..........unbalanced, (coaxial) Socket type.

  • Page 42: Line/Auxiliary Signal Input [12], Electrical

    STM-1 mapping ANT-20/ANT-20E 2.3.2 LINE/AUXILIARY signal input [12], electrical Connector ............balanced Socket type .

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