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ST-2125 E1 Transmission Analyzer
ST2125 E1 Transmission Analyzer is a powerful handheld instrument, providing a scalable, future-proof solution for the testing needs of technicians involved in the installation and maintenance of E1 digital networks. It offers full-featured the error and alarm measurements you will need to verify qu

 Specifications

ST-2125 E1 Transmission Analyzer

ST2125 E1 Transmission Analyzer is a powerful handheld instrument, providing a scalable, future-proof solution for the testing needs of technicians involved in the installation and maintenance of E1 digital networks. It offers full-featured the error and alarm measurements you will need to verify quality-of-service in your networks. Plus, signal quality measurements including frequency, level, pulse shape, jitter and other functions ensure your costly, time-consuming work performed quickly and efficiently.

Basic Functions

  • HDB3 and AMI line codes
  • 75 (Unbalanced), 120 (Balanced) and high impedance line interfaces
  • Out-of-service framed/unframed testing (TX/RX mode):
    2Mb/s, N64kb/s BER testing
    Monitoring: Signal Loss, AIS, Frame Loss, Remote Alarm, Remote MF
    Alarm, CRC MF Loss, CAS MF Loss, Pattern Loss alarms and BIT,
    Code, FASCRC-4E-BIT errors
    Clock slips measurement
  • In-service framed/unframed testing (RX HI-Z and Through mode):
    Rx Hi-Z and through mode testing
    Code, FAS, CRC-4 and E-BIT BER testing
    FAS/NFAS, MFAS/NMFAS, timeslot activity monitoring
    Timeslot data monitoring
    Built-in 64kb/s tone channel listen capability
    CAS and CCS signalling monitoring
  • Round trip delay measurement
  • APS delay measurement
  • PCM simulator:
    Extensive alarm and error generation
    Frame data Si, Sa, A, FAS, CRC-4, MFAS, NMFAS and E-BIT control and
    monitoring
    Idle word timeslot insertion
    VF tone generation and measurement
    CAS and CCS signalling generation and monitoring
  • Frequency and offset measurement
  • Clock slips measurement
  • Up to 999 ppm transmit clock deviation
  • Double E1 channels in-service monitoring Option1
    Double E1 channels Rx Hi-Z and through mode testing
    Double E1 channels Code, FAS, CRC-4, E-BIT BER testing
    Double E1 channels FAS/NFAS, CAS Multiframe, CCS timeslot 16 and
    timeslot activity monitoring
    Double E1 channels timeslot data monitoring
    Double E1 channels built-in 64kb/s tone channel listen capability
    Double E1 channels CAS and CCS signalling monitoring
  • Pulse mask measurement Option2
    Input E1 pulse shape display
    Pulse width measurement
    ̡Pulse width and amplitude ratio measurement
    Rising edge and falling edge time measurement
    Overshoot and undershoot ratio measurement
    Pulse amplitude and level measurement
  • Jitter measurement Option3
    Peak-peak jitter measurement
    Jitter measurement comply with O.172 filter (18-100kHz)
    Hit seconds and hit free seconds counts
  • Level measurement Option4
    ̡Pulse level real-time measurement
    Peak-peak pulse level measurement
  • Transmit clock sourced from external clock or signal Option1
  • Real-time transmit circuit open/short indication
  • Autoconfigure function:
    E1 frame format auto-detection and autoconfiguration
    BERT pattern auto-detection and autoconfiguration
    The timeslots carried BERT pattern auto-detection and autoconfiguration
  • Real-time clock
  • BERT pattern: PRBS, Fixed Code, 16-BIT User Word
  • Error injection: Single and Fixed Rate
  • Reset the results to zero function
  • Manual and auto-timer testing
  • Self-check, keyboard and LED testing
  • TU-T G.821, G.826 and M.2100 performance analysis
  • Histograms analysis of error and alarm events
  • Upgradeable embedded software via an RS232C interface

Main Features

  • Handheld design and easy-to-use
  • Full-featured measurements to E1 signals
  • High resolution large backlit and contrast-adjustable LCD
  • Smart navigation mode displays
  • Extensive error and alarm generation, detection and indication
  • Up to 6 hours operation from a single battery charge
  • Up to 99 days continuance test performance
  • Save/Recall of up to 10 user-defined setups and results
  • Built-in NiMH rechargeable batteries and smart charger circuit
  • Can be charged with automobile cigarette lighter battery adapter
  • Test results could be uploaded, conserved by TestManagerPro
  • The stored results could be output or printed with A4-szie report form, Excel and test files

Specifications

Item

Descriptions

Internal Clock

2048Kb/s 10ppm

Frequency Deviation

999ppm

Line Interfaces

75 (Unbalanced), 120 (Balanced); High Input Impedance >2KW

Line Code

HDB3, AMI

Framing

Unframed, PCM30, PCM30CRC, PCM31, PCM31CRC

Receive Sensitivity

> -43dB

Tx Clock Source

Internal, Interface and External 2MHz clock or HDB3 signal

Pulse Mask Measurement

Comply with G.703

Jitter Measurement

Comply with O.172

Frequency measurement

Accuracy: 1Hz

Offset Measurement

Accuracy: 1ppm
Range: -999ppm+999ppm

VF Injection

Frequency: 200Hz3400Hz, Step: 10Hz

Level: -60dBm+3dBm

VF Measurement

Frequency: 200Hz3400Hz, Accuracy: 1Hz

Level range : -60.00dBm+3.14dBm
-60.00dBm-21.00dBm, accuracy: 2.87dBm
-20.00dBm+3.14dBm, accuracy: 0.21dBm

Delay Measurement

Accuracy: 1s

Test Patterns

PRBS

223-1, 215-1, 211-1, 29-1

Fixed Code

1111, 0000, 1010

16-BIT

User Programmable Word

Alarm Indications

Signal Loss, AIS, Frame Loss, MFrame loss, Pattern Loss,
Remote Alarm, Remote MF Alarm, Errors, Clock Slip, Low Battery

Error Injection

Type: BIT, FAS, CODE, CRC4, E-BIT

Single, Fixed Rate: 10-2, 10-3, 10-4, 10-5, 10-6, 10-7

Alarm injection

AIS, Frame Loss, CAS and CRC MFrame Loss,
Remote Alarm, Remote MFrame Alarm

Performance Analysis

ITU-T G.821, G.826 and M.2100

Display

320x240 pixel backlit monochromatic LCD

Serial Port

USB Connector

Rechargeable Batteries

51.2V AA NiMH batteries, continuous working for 6 hours

Recharge Time

Approx. 2 hours

AC Power Adapter

Input: 100V240VAC, 50/60Hz
Output: 12VDC /1.5A

TestManagerPro

Operating System: WIN98/ME/2000/NT/XP

Dimensions

LWH: 266mm 90/144mm 60mm

Operating Temperature

0桫50

Storage Temperature

-20桫70

Humidity

5%95% non-condensing

Weight

Approx. 800g


Configurations
Standard configuration list of the E1 Transmission Analyzer:

Item

Qua

Item

Qua

E1 Transmission Analyzer

1

TestManagerPro Setup CD

1

AC Power Adapter

1

AA NiMH Rechargeable Batteries (Built-in)

5

Automobile Cigarette Lighter Battery Adapter Cable

1

Waterproof Package

1

E1 75 Unbalanced Test Cable

2

Quality Certificate Card

1

E1 120 Balanced Test Cable

1

Maintenance Card

1

USB Communication Cable

1

Packing List

1

Users Manual

1

 

 


Optional configuration list of the E1 Transmission Analyzer:

Code

Option Name

Acquired Way

Additional Accessories

Qua

Option1

Double E1 channels monitoring and E1 External Clock

Add-on Hardware and Authorized Software

Hardware Module

1

External Clock Access Cable

1

Double E1 Channels Monitoring Test Cable

2

Embedded Software and Function Control Code

1

Option2

Pulse Mask Measurement

Authorized Software

Embedded Software and Function Control Code

1

Option3

Jitter Measurement

Authorized Software

Embedded Software and Function Control Code

1

Option4

Level Measurement

Authorized Software

Embedded Software and Function Control Code

1


 
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