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5.1 Main menu

5.2 Line interface

5.2.1 Mode

5.2.2 Frame structure

5.2.3 CRC-4

5.2.4 Line code

5.2.5 Transmitter synchronization

5.2.6 Long haul

5.2.7 Deviation

5.2.8 Test speed

5.2.9 Protective resistors

5.3 Test pattern

5.3.1 Send pattern

5.3.2 Type

5.3.3 Byte 1, Byte 2, Byte 3

5.3.4 Invert RX

5.3.5 Invert

ТХ

5.4 Voice functions

5.4.1 Voice functions measurements

5.4.2 Voice function settings

5.5 Measurements

5.5.1 G821/G826/M2100

5.5.2 Propagation delay

5.6 View data

5.6.1 FAS/NFAS/Sa/Si

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TX50e e-Manual D07-00-009 REVA00

Содержание TX50e

Страница 1: ...er 2 6 Results 2 7 LED indication 2 8 Software Features 2 9 Hardware platform 3 General Description 3 1 Main Parts 3 1 1 Front panel 3 1 2 LED indicators description 3 1 3 Keyboard description 3 2 Spe...

Страница 2: ...st speed 5 2 9 Protective resistors 5 3 Test pattern 5 3 1 Send pattern 5 3 2 Type 5 3 3 Byte 1 Byte 2 Byte 3 5 3 4 Invert RX 5 3 5 Invert 5 4 Voice functions 5 4 1 Voice functions measurements 5 4 2...

Страница 3: ...generating 5 8 Pulse shape 5 8 1 Operation 5 8 2 Pulse shape monitoring 5 8 3 Oscilloscope 5 9 Jitter 5 9 1 Jitter measurements 5 9 2 Maximum Tolerable Jitter 5 9 3 Jitter Transfer Function 5 9 4 Jitt...

Страница 4: ...n 0 162 Technical specifications Output Line interface Input Line interface Transmitter Transmitter Clock Interface G 703 Connector RJ 45 banana or BNC Rate 2 048 Mbit s Impedance 120 balance or 75 un...

Страница 5: ...2 to 7 Alarm type LOS Loss of Signal AIS Alarm indication signal LOF Loss of Frame alignment RDI Remote Alarm Indicator LOM Loss of CAS Multiframe Alignment RMA Multiframe Remote Alarm Indicator LSS L...

Страница 6: ...ed Alarm LOS Loss of Signal AIS Alarm indication signal LFA Loss of Frame alignment RDI Remote Alarm Indicator LOM Loss of CAS Multiframe Alignment SW CAS RMA Multiframe Remote Alarm Indicator SW CAS...

Страница 7: ...t Error Rate Bit monitoring Timeslot 0 FAS NFAS Timeslot 16 MFAS abcd signaling bits of all 30 channels All timeslots frame SIG Signal Presence AIS Alarm Indication Signal G 703 FRM Frame Alignment De...

Страница 8: ...1 Software update USB External power Input 100 240V AC 50 60 Hz Output 9V 0 8 A Battery power rated voltage 4 8V from interface USB Dissipation 8 Watt Autonomy mode 6 hours Interface USB Dimensions H...

Страница 9: ...st one error has been registered 2 Display 320 x 240 pixels backlight color LCD 3 Keyboard 15 button keyboard 4 Power button On Off To switch the instrument on off press the power button and hold it f...

Страница 10: ...since reset AIS alarm has been registered at least once FRM Frame Alignment Detected Green frame is synchronized Red loss of frame synchronization at the moment Yellow since reset loss of frame synchr...

Страница 11: ...value in the data input mode z Main menu Use this button to move to the Main menu z Functional buttons F1 F2 F3 and F4 z A button To view information on the current hardware and software version z B b...

Страница 12: ...used normally NOTE Installation of internal battery pack has to be done at the service center only 4 When the power is on the test set performs a self diagnosis When the self diagnosis successfully c...

Страница 13: ...s and graphical display of MTJ and JTF characteristics also jitter insertion in transmitted signal Configuration To configure base hardware and software parameters Line interface The Line interface me...

Страница 14: ...f the Long haul mode The Long haul mode is able to receive a signal level up to 36 dB If the mode is switched off then minimum level of received signal level is up to 18 dB Deviation If the transmitte...

Страница 15: ...istors are used only in Monitor and Transit Monitor operational modes If the field is set to Off value protective resistors are shunted Test pattern This menu allows the user to set test pattern param...

Страница 16: ...1 Transmit audio data from the microphone into selected timeslot 2 Transmit 1000 Hz signal into selected timeslot 3 Measure signal frequency and level in selected timeslot 4 Listen to the voice channe...

Страница 17: ...timeslot into which audio information from selected source will be transmitted Note T S selected in Line Interface menu for BERT measurement cannot be selected for voice testing Source Select the sour...

Страница 18: ...d and press Enter In appeared menu see Figure 5 8 select required timeslot number and press button Note T S selected in Line Interface menu for BERT measurement cannot be selected for voice testing Te...

Страница 19: ...This menu contains five screens Base parameters To measure and analyze different type of errors and alarms G 821 parameters To measure performance parameters according to ITU T G 821 recommendation G...

Страница 20: ...for receiving and transmitting ports the timeslots quantity for both directions must be equal 2 Stop or pause all currently performed measurements 3 Stop or pause the errors insertion or alarms gener...

Страница 21: ...S MFAS words in last sixteen frames Use F1 to start stop data update process Use F2 to switch between CAS and MFAS contents display screens Frame monitoring The Frame monitoring submenu see Figure 5 1...

Страница 22: ...ors in a MFAS word CRC Generate CRC error REBE Generate REBE errors CODE Generate Coding Violation Speed The Speed field provides the ability to set up errors insertion rate Count Select number of err...

Страница 23: ...in PCM 30 systems LSS Test Pattern synchronization loss ARTF Transmission of unstructured alternating 1s and 0s Time The Time field allows the user to select a duration of the alarm generating proces...

Страница 24: ...equency passband of 0 01 10 MHz An example oscillogram is shown on the figure below Horizontal grid step is 250 ns vertical grid step is displayed in upper left corner of the screen Press F1 to update...

Страница 25: ...ess F1 to start measurements Press F2 to reset the screen To select the HP1 LP 20 Hz 100 kHz or HP2 LP 18 kHz 100 kHz filter press F4 Maximum Tolerable Jitter This menu allows user to measure and anal...

Страница 26: ...ulation formula It is necessary to perform a calibration to increase the results accuracy The calibration must be performed in following cases z Changing the test pattern type z Changing the type of f...

Страница 27: ...ak jitter UIpp Receive Current jitter value received signal Configuration The Configuration menu see Figure 5 26 provides the ability to configure analyzer s basic parameters line interface parameters...

Страница 28: ...for 10 minutes Type 3 The test set will switch off if the test set was idle for 10 minutes and no key has been pressed LCD auto off Automatically switch off the LCD to conserve battery power Language...

Страница 29: ...omer along with proof of purchase within thirty 30 days of the request by the customer freight prepaid Software Coverage VeEX Inc warrants software and firmware materials against defects in materials...

Страница 30: ...Inc z Unauthorized alteration or misusage z Damage occurred from operating the unit from outside of the environmental specifications for the product z Improper installation by the customer Go back to...

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