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S-8

Specifications

PDH MUX/DEMUX

ANT-20/ANT-20E

3.1.4

Measurements

There are no restrictions on measurements (see Sec. 2, Page S-4).

3.2

Signal outputs

3.2.1

AUXILIARY signal output [11], electrical

3.2.2

LINE/AUXILIARY signal output [13], electrical

Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . unbalanced, (coaxial)

Socket type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BNC

Output impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Ω

Max. permitted peak spurious input voltage . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . ±

5 V

Interface

Bit rate (Mbit/s)

Line code

Output voltage

139.264

CMI

0.5 V

DS3

44.736

B3ZS

1.0 V

34.368

HDB3

8.448

HDB3

2.37 V

2.048

HDB3

DS1

1.544

B8ZS

The bit rates depend on the mapping options fitted.

Table S-5

Specifications of the AUXILIARY signal output [11], electrical

Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .balanced

Socket type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Lemo SA

(Bantam)

Output impedance
2.048 Mbit/s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

Ω

1.544 Mbit/s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Ω

Max. permitted peak spurious input voltage

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±

5 V

Содержание ANT-20

Страница 1: ...BN 3035 98 23 ANT 20 ANT 20E Advanced Network Tester PDH MUX DEMUX BN 3035 90 30 to 90 31 Drop Insert BN 3035 90 20 in combination with PDH MUX DEMUX Software Version 7 20 Operating Manual 4...

Страница 2: ...e ETSI These Recommendations and Standards are subject to copyrights of these organizations Without written permission of the ITU T and or ETSI it is not permitted to copy ITU T Recommendations or ETS...

Страница 3: ...51 S 2 1 3 1 PDH tributary offset S 2 1 4 Error insertion anomalies S 3 1 5 Alarm generation defects S 3 1 6 Test signals for bit error rate measurements S 3 1 6 1 Internal test signals S 3 1 6 2 Exte...

Страница 4: ...1 2 Anomaly insertion S 7 3 1 3 Defect generation S 7 3 1 4 Measurements S 8 3 2 Signal outputs S 8 3 2 1 AUXILIARY signal output 11 electrical S 8 3 2 2 LINE AUXILIARY signal output 13 electrical S 8...

Страница 5: ...exer Chain option This allows testing of the multiplex functions of individual hierarchy levels right up to tests covering all hierarchies from 140 Mbit s down to 64 kbit s including linking to SDH si...

Страница 6: ...rchy levels from 140 Mbit s to 64 kbit s Tests can be performed between two SDH ports or between an SDH and a PDH port Alarm sensor test Comprehensive facilities for inserting errors into the PDH sign...

Страница 7: ...ls Frame alignment signals FAS corresponding to ITU T recommendations G 751 G 742 and G 704 1 2 1 Frame bit modifications The following bits can be statically programmed Bit ratekbit s Frame conformin...

Страница 8: ...osition in the pulse frame 1 3 Justification as per ITU T G 742 and G 751 The bit rates in the upper and subordinate systems are in a fixed relationship to each other Justification is at a nominal rat...

Страница 9: ...nt 1 6 2 External signal with option 3035 90 20 only An external signal with bit rate 34 368 kbit s coaxial 8 448 kbit s coaxial or 2 048 kbit s coaxial or balanced can be inserted into the selected t...

Страница 10: ...evaluated and indicated by means of LEDs Also see in the Specifications of the mainframe instrument 2 2 2 CRC evaluations PCM 30 CRC PCM 31 CRC Errored CRC words are evaluated in the selected channel...

Страница 11: ...scribed in the Specifications for the mainframe instrument The RDI alarms in all hierarchy stages of the selected path are checked simultaneously 2 6 Evaluation of test signals for bit error measureme...

Страница 12: ...smit signal Fig S 1 Drop Insert Generator and receiver operate independently An unbalanced digital input and output are provided on the mainframe instrument for dropping and for inserting tributary si...

Страница 13: ...ode not possible 3 1 1 Clock generator Drop Insert As specified in the Specifications of the mainframe instrument Through Mode In Through Mode clock generation is always derived from the receive signa...

Страница 14: ...tput impedance 75 Max permitted peak spurious input voltage 5 V Interface Bit rate Mbit s Line code Output voltage E4 139 264 CMI 0 5 V DS3 44 736 B3ZS 1 0 V E3 34 368 HDB3 E2 8 448 HDB3 2 37 V E1 2 0...

Страница 15: ...nd on the mapping options fitted Table S 6 Specifications of the LINE AUXILIARY signal output 13 electrical Connector unbalanced coaxial Socket type BNC Input impedance 75 Max permitted frequency offs...

Страница 16: ...LIARY input Connector balanced Socket type Lemo SA Bantam Input impedance 2 048 Mbit s 120 1 544 Mbit s 100 Max permitted frequency offset 500 ppm Max number of consecutive zeros for line code AMI 15...

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