Agilent Technologies ProBER 2 Istruzioni per il montaggio

User Reference

Manual

Agilent ProBER 2

User Reference Manual

Latest Agilent ProBER 2 Information

For the latest Agilent ProBER 2 information, please refer to the following URL on the WorldWide Web:

http://www.tm.agilent.com/tmo/datasheets/English/HPE7580A.html

Introduction

Manual Conventions

The conventions used in this manual to illustrate instrument keys and display

information are as follows:

This is an example of a hardkey. They are located below the display in the handle of

ProBER 2 and give access to different sets of instrument settings. The key shown

here accesses the main menu of the instrument and returns the cursor to the top of

the display.

This is an example of a softkey. They are located immediately below the display and

are used to select instrument settings. The functions associated with softkeys are

shown in the display directly above the softkey and change as you move the display

cursor from one instrument setting to another.

These are the cursor control keys. They are located in the handle and are used to

move the display cursor from one instrument setting to another.

Tx + Rx

Introduction

ProBER 2 - an overview

2 Mb/s BER and signal quality measurements in a hand-held tester

The ProBER 2 test set provides a powerful hand-held solution for testing 2 Mb/s

and 64 kb/s digital circuits. It offers extensive BER test functions plus a unique

range of signal quality measurements (pulse mask, jitter, level and frequency). This

unmatched (in a hand-held) test capability, combined with the intuitive operation of

ProBER 2, simplifies installation and maintenance testing for faster problem

resolution.

A range of signal quality measurements for faster problem resolution

Save time by quickly identifying signal quality problems before running long-term

error measurements or during trouble-shooting. With a single keystroke, ProBER 2

rapidly identifies any frequency, level, pulse shape or jitter problem on a 2 Mb/s

signal.

Measurement summary

ProBER 2 supports comprehensive functional and parametric capability providing

the ability to fully evaluate 2 Mb/s, n x 64 kb/s and 64 kb/s co-directional circuits.

• Extensive error and alarm generation and measurement

• ITU-T recommendations G.821, G.826 and M.2100 performance analysis

• Frequency and level measurements

• Pulse mask measurements (+ pulse, – pulse, pulse width ratio, pulse amplitude

ratio)

• Jitter measurements to ITU-T standard O.172 (supports pointer jitter tests)

• Delay measurement

• VF tone generation and measurement

• Timeslot activity monitor

• Line rate offset

• Frame data control and monitoring

• Synchronization status messages

• Built-in talk/listen capability

Contents - 1

Contents

1 Getting Started

Initial Switch-on 1-3

Navigating around the displays 1-3

Choosing your HELP Language 1-3

Setting the Date and Time 1-4

Taking Care of your Battery 1-4

Charging your Battery 1-4

Verify Instrument Operation 1-5

Performing Measurements with ProBER 2 1-5

2 Installation

Initial Inspection 2-2

Operating Environment 2-2

Safety Precautions for the User 2-3

Safety Symbols 2-4

Preparation for Use 2-5

Power Requirements 2-5

Connecting the dc Charger to the ac Power Supply 2-6

Connecting to the Network 2-7

User’s Maintenance 2-8

Cabinet Cleaning 2-8

Battery Replacement 2-8

3 Managing the Displays

Accessing the Displays 3-2

Navigating the Displays 3-3

Modifying Display Data 3-4

LEDs 3-5

Signal Loss LED 3-5

Alarm LED 3-5

Error LED 3-6

History LED 3-6

Low Battery LED 3-6

Start/Stop LED 3-6

dc In LED 3-6

Contents - 2

Contents

4 Setting the Interfaces

Connecting to the Network 4-2

Setting Transmit and Receive Interfaces 4-3

AutoSetup 4-5

5 Test Setup Features

Adding Alarms or Errors 5-2

Adding Frequency Offset 5-3

Setting Signaling Bits 5-4

Setting Spare Bits 5-5

Setting Framing Bits 5-6

Generating a VF Tone 5-7

Configuring as a Telephone Handset 5-8

Enabling DTMF Dialling 5-9

6 Making Measurements

Setting Test Timing 6-2

Measuring Errors and Alarms 6-4

Measuring Error Analysis 6-6

Performing a Trouble Scan 6-10

Measuring Round Trip Delay 6-11

Measuring Frequency and Frequency Offset 6-13

Making Pulse Mask Measurements

(Option 001 only) 6-14

Measuring Signal Level

(Option 001 only) 6-15

Measuring Jitter 6-16

Measuring a VF Tone (Using Channel Map) 6-18

Monitoring Signaling Bits 6-20

Monitoring Spare Bits 6-21

Monitoring Framing Bits 6-22

7 Results

Saving Graphs Results 7-2

Recalling Graphs Results 7-3

Contents - 3

Contents

Viewing Graphs Results 7-4

Logging Results to a Printer 7-5

Connecting a 15730B Printer 7-7

Printing a Display 7-8

Logging Results to a PC 7-9

8 Using “Other” Features

Setting Time and Date 8-2

Storing and Titling Instrument Settings 8-3

Recalling Instrument Settings 8-4

Instrument Reset (Cold Start) 8-4

Setting Beep on Error/Alarm 8-5

Setting Backlight Mode 8-6

Setting Display Contrast 8-7

Choosing Local Language Help Messages 8-8

Charging the Battery 8-9

Running Self Test 8-11

Contents - 4

Contents

1Getting Started

This chapter is intended to give first-time users a quick over-

view of the main features of ProBER 2. It is a repeat of the

information in the Getting Started booklet, E7580-90019.

Much of the information is repeated later in this manual, but

in greater detail.

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