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- Operating Manual
Wavetek ANT-20 Operating Manual
Summary of ANT-20
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B n 30 35 /9 8 .25 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 2.
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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 telecommunication union - ...
Page 3: Contents
Ant-20/ant-20e stm-1 mapping i contents specifications 1 stm-1 mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-1 1.1 general information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-1 1.2 tributary channel numbering. . . . . . . . . ....
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Stm-1 mapping ant-20/ant-20e ii 1.8 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 vc-11 error insertion (anomalies). . . . . . . . . . . . . . . . . . . . S-26 1.8.3 vc-11 alarm ...
Page 5: Specifications
Ant-20/ant-20e stm-1 mapping specifications s-1 specifications these specifications apply to the options: stm-1 mapping for etsi tributaries for ansi tributaries 1 stm-1 mapping 1.1 general information mapping/demapping the pdh tributaries are mapped into a stm-1 signal via the au-4 or the au-3 laye...
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Stm-1 mapping ant-20/ant-20e s-2 specifications 1.2 tributary channel numbering 1.3 scrambling/descrambling the sts-n signal is scrambled/descrambled as described in itu-t g.707. 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 # 100 110 111 111 1 200 210 211 211 2 300 ...
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Ant-20/ant-20e stm-1 mapping specifications s-3 1.4 overhead generation 1.4.1 section overhead (soh) standard overhead, stm-1 (hex) xx: inserted by parity formation (b1, b2) h1 and h2 depend on the pointer address setting (pointer address = 0 is shown), h3 depends on whether or not a pointer action ...
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Stm-1 mapping ant-20/ant-20e s-4 specifications 1.4.2 stm-1 error insertion (anomalies) when rate triggering is selected a bit error rate is inserted. The insertion of errors (anomalies) and alarms (defects) are mutually exclusive. The first action selected is active. The second action is rejected. ...
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Ant-20/ant-20e stm-1 mapping specifications s-5 1.4.3 stm-1 alarm generation (defects) . The insertion of alarms (defects) and errors (anomalies) are mutually exclusive. The first action selected is active. The second action is rejected. Defect test sensor function test sensor thresholds on/off m in...
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Stm-1 mapping ant-20/ant-20e s-6 specifications 1.4.4 pointer action generation stimulation pointer sequences on all pointer levels to itu-t g.783 fig. S-1 perodic (single/multiple) pointers with identical polarity fig. S-2 periodic (single/multiple) pointers with different polarity fig. S-3 periodi...
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Ant-20/ant-20e stm-1 mapping specifications s-7 fig. S-5 pointer burst with missing pointers fig. S-6 ”87-3” sequence fig. S-7 ”43-44” sequence with double pointer fig. S-8 ”86-4” sequence with missing pointer t2 t4 t5 t5 n pointer 87 pointer actions 3 x no pointer action t2 t4 43 pointer actions 3 ...
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Stm-1 mapping ant-20/ant-20e s-8 specifications 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
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Ant-20/ant-20e stm-1 mapping specifications s-9 1.4.5 stm-1 error measurements (anomalies) evaluation display of anomalies via leds: display of errors as count or ratio values (equivalent bit error ratio): when calculating the ratio value, correction formulae are used for the anomalies b1, b2, b3 an...
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Stm-1 mapping ant-20/ant-20e s-10 specifications 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. . Display of defects via leds: time resolution of...
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Ant-20/ant-20e stm-1 mapping specifications s-11 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. Display of...
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Stm-1 mapping ant-20/ant-20e s-12 specifications 1.4.8 vc-4 path overhead (poh), high order standard overhead vc-4 poh byte contents • static bytes: all except b3, h4 • overhead sequence m, n, p: j1, c2, g1, f2, f3, k3, n1 • trace identifier (length = 16 frames with crc7 formation): j1 • dynamic byt...
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Ant-20/ant-20e stm-1 mapping specifications s-13 1.4.9 vc-3 path overhead (poh), high order standard overhead vc-3 poh byte contents • static bytes: all except b3, h4 • overhead sequence m, n, p: j1, c2, g1, f2, f3, k3, n1 • trace identifier (length = 16 frames with crc7 formation): j1 • dynamic byt...
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Stm-1 mapping ant-20/ant-20e s-14 specifications 1.4.10 evaluation of section overhead (soh) and vc-4/vc-3 path overhead (poh) display evaluation bit error measurement output of complete soh and poh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hexadecimal of ...
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Ant-20/ant-20e stm-1 mapping specifications s-15 1.5 c-12 mapping (2 mbit/s in stm-1, au-3/au-4) option: bn 3035/90.01 mapping structure: au-4 fig. S-9 mapping structure: 2 mbit/s → c-12 → au-4 → stm-1 mapping structure: au-3 fig. S-10 mapping structure: 2 mbit/s → c-12 → au-3 → stm-1 mapping struct...
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Stm-1 mapping ant-20/ant-20e s-16 specifications 1.5.1 vc-12 path overhead contents measurement channel byte contents (vc-12) • static bytes: all except bits 1-2 of v5 • overhead sequence m, n, p: j2, n2, k4 • trace identifier (length = 16 frames with crc7 formation): j2 • dynamic bytes filled by dc...
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Ant-20/ant-20e stm-1 mapping specifications s-17 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: alarm generation refers to the selected measurement channel. 1.5.4 vc-12 error measurements (anomalies) the...
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Stm-1 mapping ant-20/ant-20e s-18 specifications 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: evaluation and display refer to the selected measurement channel. 1.5.6 vc-12 path overhe...
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Ant-20/ant-20e stm-1 mapping specifications s-19 1.6 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 fig. S-11 mapping structure: 34/45 mbit/s → c-3 → au-4 → stm-1 mapping structure: au-3 fig. S-12 mapping...
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Stm-1 mapping ant-20/ant-20e s-20 specifications 1.6.1 vc-3 path overhead contents (low order) test channel byte contents (vc-3) • static bytes: all except b3, h4 • overhead sequence m, n, p: j1, c2, g1, f2, f3, k3, n1 • trace identifier (length = 16 frames with crc7 formation): j1 • dynamic byte fi...
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Ant-20/ant-20e stm-1 mapping specifications s-21 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: alarm generation refers to the selected measurement channel. 1.6.4 vc-3 error measurement (anomalies) the followi...
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Stm-1 mapping ant-20/ant-20e s-22 specifications 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: evaluation and display refer to the selected measurement channel. 1.6.6 vc-3 path overhead...
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Ant-20/ant-20e stm-1 mapping specifications s-23 1.7 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 fig. S-13 mapping structure: 140 mbit/s → au-4 → stm-1 the mapping characteristics ar...
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Stm-1 mapping ant-20/ant-20e s-24 specifications 1.8 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 fig. S-14 mapping structure: 1.5 mbit/s → c-11 → tu-11 → au-3 → stm-1 mapping structure: 1.5 mbit/s → c-11 → tu-11 → au-3 → stm-0; optio...
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Ant-20/ant-20e stm-1 mapping specifications s-25 mapping structure: au-4, tu-11 fig. S-16 mapping structure: 1.5 mbit/s → c-11 → tu-11 → au-4 → stm-1 mapping structure: au-4, tu-12 fig. S-17 mapping structure: 1.5 mbit/s → c-11 → tu-12 → au-4 → stm-1 mapping method the following modes are available:...
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Stm-1 mapping ant-20/ant-20e s-26 specifications 1.8.1 vc-11 path overhead contents measurement channel byte contents (vc-11) • static bytes: all except bits 1-2 of v5 • overhead sequence m, n, p: j2, n2, k4 • trace identifier (length = 16 frames with crc7 formation): j2 • dynamic bytes via v.11 int...
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Ant-20/ant-20e stm-1 mapping specifications s-27 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: alarm generation refers to the selected measurement channel. 1.8.4 vc-11 error measurements (anomalies) the...
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Stm-1 mapping ant-20/ant-20e s-28 specifications 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: evaluation and display refer to the selected measurement channel. 1.8.6 vc-11 path overhe...
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Ant-20/ant-20e stm-1 mapping specifications s-29 1.9 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 fig. S-18 mapping structure: 6.3 mbit/s → c-2 → tu-2 → au-3 → stm-1 mapping method the following mode is available: • asynchronous mode mapping s...
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Stm-1 mapping ant-20/ant-20e s-30 specifications 1.9.1 vc-2 path overhead contents measurement channel byte contents (vc-2) • static bytes: all except bits 1-2 of v5 • overhead sequence m, n, p: j2, n2, k4 • trace identifier: j2 (length = 16 frames with crc7 formation) • dynamic bytes via v.11 inter...
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Ant-20/ant-20e stm-1 mapping specifications s-31 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: alarm generation refers to the selected measurement channel. 1.9.4 vc-2 error measurements (anomalies) the f...
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Stm-1 mapping ant-20/ant-20e s-32 specifications 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: evaluation and display refer to the selected measurement channel. 1.9.6 vc-2 path overhead...
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Ant-20/ant-20e stm-1 mapping specifications s-33 2 drop & insert / through mode option: bn 3035/90.20 2.1 functions this option provides the following functions for all mapping options fitted to the ant-20. Drop & insert generator and receiver operate independently as mapper and demapper. The signal...
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Stm-1 mapping ant-20/ant-20e s-34 specifications 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...
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Ant-20/ant-20e stm-1 mapping specifications s-35 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. 2.1.3 anomaly insertio...
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Stm-1 mapping ant-20/ant-20e s-36 specifications 2.2 signal outputs 2.2.1 auxiliary signal output [11], electrical 2.2.2 line/auxiliary signal output [13], electrical the balanced output is used both as “line” and as “auxiliary” output. Connector . . . . . . . . . . . . . . . . . . . . . . . . . . ....
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Ant-20/ant-20e stm-1 mapping specifications s-37 2.3 signal inputs 2.3.1 auxiliary signal input [10], electrical los (loss of signal) status display led lights up if the signal input is active but no signal is present. Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
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Stm-1 mapping ant-20/ant-20e s-38 specifications 2.3.2 line/auxiliary signal input [12], electrical los (loss of signal) status display led lights up if the signal input is active but no signal is present. The balanced input is used both as “line” and as “auxiliary” input. Connector . . . . . . . . ...