Aethra D2000Pro Bedienungsanleitung

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Quick guide

Guida rapida

Guide rapide

Manual de istrucciones rapide

Handbuch

VX2000

Multiprotocol Interface Option

ENGLISH

VX2000

MULTIPROTOCOL

INTERFACE

D2000PRO OPTION

USER’S MANUAL

The information contained in this document is the

property of Aethra. It is subject to change without

notice and it shall in no way be blinding for

Aethra

Release 3/2.62 – December 2002

Code 074042002ML

This manual is composed of 18 pages

Quick Guide VX2000

Index

1INTRODUCTION.................................................................................... 7

1.1 OPENING THE MANUAL TEST SCREEN ....................................... 7

1.2 COMMON SETUP ............................................................................. 8

1.3 UNFRAMED BER TEST .................................................................... 10

1.3.1 RUNNING AN UNFRAMED BER TEST...................................... 11

2SMART STATUS.................................................................................... 13

2.1 V/X INTERFACE STATUS................................................................. 13

3TECHNICAL SPECIFICATIONS ............................................................ 13

4FUNCTIONAL SPECIFICATIONS.......................................................... 16

4.1 PIN OUT ............................................................................................ 17

4.2 OPTIONAL CODES........................................................................... 20

Quick Guide VX2000

SAFETY RULES

The change from cold to hot environments can cause the formation of

condense inside the device. To avoid malfunctioning, wait at least 2 hours

before connecting the device to the supply mains.

Do not access internal parts of the device (and/or of the power supply unit).

If objects or liquids penetrate inside the device, immediately disconnect the

power supply cable. Before using the device again, have it checked by

specialised staff.

Refer to qualified staff for service.

In case of intervention, always check that the power supply has been

completely and successfully disconnected.

In case of fire, absolutely avoid using water to extinguish it.

WARNINGS

ATTENTION:

Many of the components used in this device are sensitive to

electrostatic charge.

In case of manipulation of the connection cables, disconnect the

power supply and avoid direct contacts with the connector terminals.

When handling electronic components, to eliminate any static

electricity touch a grounded surface. If possible, wear a grounding

armband.

Failure to comply with these warnings could cause permanent

damage to device.

To guarantee continuous protection for operator safety, only use the

mains adapter supplied with the instrument.

Quick Guide VX2000

1 INTRODUCTION

With the VX2000 option, the D2000Pro is able to perform tests over WAN/datacom

lines with a bit rate up to 2.048 Mbit/s.

Thanks to the possibility to emulate both DTE (Data Terminal Equipment) and DCE

(Data Communications Equipment), the D2000Pro allows to carry out quality tests,

bit error rate (BER), in end-to-end mode over datacom line, or checks toward the

User’s DTE (CSU, router, or other WAN equipment).

The criteria monitoring and the possibility to manage local loops (LL), allow to

extend controls over datacom line.

The interfaces supported are: V.35, V.36 and V.11 (X.21),

Fig. 1-1 (single end)

The following paragraphs refer to various tests available using the D2000Pro

interface, further information about the D2000Pro are available in the User’s Manual

of the device.

1.1 Opening the Manual Test Screen

To select the manual test:

Open the TEST MENU.

The last used setup appears on the screen.

Select the ACCESS field.

Select the type of access, V/X INTERFACE.

Quick Guide VX2000

Select the ACT AS field.

Select the instrument mode, e.g. DTE.

The lower section of the screen shows the selected

network configuration. The yellow LED that corresponds to

the selected mode goes on.. It’s possible to choose

between DTE and DCE

Select MANUAL TESTS.

Select the test UNFRAMED BER.

In order to connect to the line, use the appropriate cable

according to the selected mode. In case of DCE mode, an

appropriate cable, to order separately, is needed.

1.2 Common Setup

This page is used to setup the common parameters for the various tests.

To select the COMMON SETUP page

Quick Guide VX2000

The COMMON SETUP page can be selected from any

test

Choose the desired field

The following parameters can be defined for the V/X INTERFACE access:

Interface type: Choose the interface to use among:

• V.35, V.36, V.11 (X.21)

Line rate: Select the line rate, in Kbit/s, used by the device to transmit the data.

Only if Clock TX = Inside and mode = DCE

Ignore criteria: Enable or disable the criteria control

Quick Guide VX2000

• NO, the device guarantees and controls the C108, C107, C105, C106 and C109i

criteria

• YES, the management and the check of these criteria, between DTE and DCE, is

disabled

Clock RX: Define the type of clock used to receive data; with CLOCK RX:

LOOPED, the device samples data received with the clock coming from DTE

(C113). Only DCE.

In DCE mode, the clock TX is fixed at “INSIDE”, whereas in DTE

mode, the device uses the clock coming from the DCE over

C114 criterion.

Loop3 (C141): Set “YES” to ask the DCE to perform a local loop (LL) of the data.

Only DTE.

The LL (local loop) request is supported by V.35 and V.36

interfaces only.

1.3 UNFRAMED BER Test

In order to run a line quality test, select from the manual test menu, the

UNFRAMED BER and set the following parameters:

Duration: Choose the duration of the test. Select from the defined list or define your

own duration

Pass/Fail test: Choose the BER value. This value is used to determine the pass or

fail test condition. Selecting G.821, the result is compared with the quality

performance required by G.821. Only for line rate 64Kbit/s.

Error injection: Choose the BER value used for manual or automatic bit error

injection

Bit sequence: Set the pseudo-random pattern to be used. Select from the list

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