Aethra D2000Pro Benutzerhandbuch

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Quick guide

Guida rapida

Guide rapide

Manual de istrucciones rapide

Handbuch

VX2000

Multiprotocol Interface Option

ENGLISH

GB

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

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GB

Index

1 INTRODUCTION.................................................................................... 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

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

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

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

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

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

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

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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.

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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:

1

Open the TEST MENU.

The last used setup appears on the screen.

2

Select the ACCESS field.

3

Select the type of access, V/X INTERFACE.

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4

Select the ACT AS field.

5

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

6

Select MANUAL TESTS.

7

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.

1

To select the COMMON SETUP page

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1

The COMMON SETUP page can be selected from any

test

2

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

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• 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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HRX(%): Enter the variation percentage for the DM and SES thresholds. Only for 1

channel bandwidth

DM Threshold: Choose the number of errors per minute to consider it as degraded.

Use the G.821 (4) default value when no other value is preferred. Only for line rate

64Kbit/s

SES Threshold: Choose the number of errors per second to be considered as

severely errored. Use the G.821 (64) default value when no other value is preferred.

Only for line rate 64Kbit/s

Auto print: Choose the autoprint condition for the test results between:

• Time interval: every 15 or 30 minutes

• DM: when the DM threshold value is exceeded

1.3.1 Running an Unframed BER Test

VX2000 adapter is fed directly by the D2000Pro, this cause a

decrease of the battery duration.

The test can be carried out both end-to-end and single end mode. In the first case is

necessary to put another D2000Pro/VX2000 at the remote end of the line (fig. 1-2).

In single-end mode, is necessary to carry out a loop over the line. The loop can be

request to DCE with C141 criterion, through a specific command given to the DCE

or carrying out a physical loop between TX side and RX side (see figure 1-1).

Fig. 1-2 (end-to-end)

When you have defined the setup for the Unframed BER test, continue as follows:

1

Select ‘Use this setup for testing’ in the first SETUP page.

2

Connect the instrument as displayed on the screen and

press the RIGHT CURSOR key.

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3

Start the BER test.

The LED RUN goes on and the test results appear on the screen.

4

Scroll through the result pages.

The pages show the following results for each call:

The status line indicates the status of the test.

• Bit Error Rate (BER)

• Received bits

• Errored bits transmitted

• Errored bits received

• Synchronization and time without synchronization expressed in h, m, s (S-loss).

• Result of the PASS/FAIL test

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• G.821 data: SES (severely errored seconds), DM (degraded minutes), ES

(errored seconds), US (unavailable seconds) in absolute value and percentage,

result of the PASS/FAIL test according the G.821 quality targets.

2 SMART STATUS

To have a complete description of the Smart Status feature, see the specific

chapter in the D2000Pro User’s Manual.

2.1 V/X Interface status

The 2

nd

page, relative to V/X INTERFACE access, shows the activity of the used

interface.

1

Goes to page 2.

The Clock Rx value, is displayed on the Status pages only if the

clock value has been set as ‘Looped’, in the common setup.

Selecting the relative interface field and pushing ENTER, it is possible to insert a

loop on the data, the device will send, in transmission, the data received from the

remote. Perform the same operation to remove the loop.

The 3

rd

page shows the state of criteria toward DCE and DTE

2

Goes to page 3.

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GB

The criteria displayed are:

• C103, C104, data transmitted respectively from DTE and from DCE

• C113, C115, clock transmitted respectively from DTE and from DCE

• C105 (RTS), C106 (CTS), C107 (DSR), C108 (DTR), C109 (DCD)

• C141, loop request from DTE to DCE

3 TECHNICAL SPECIFICATIONS

INTERFACES

V.11

Conforms at

User’s connection

CCITT (ITU-T) Rec.V.11

15 poles male, ISO 4903

V.35

Conforms at

User’s connection

CCITT (ITU-T) Rec.V35

34 poles male, ISO 2593

V.36

Conforms at

User’s connection

CCITT (ITU-T) Rec.V.36

37 poles male, ISO 4902

Transmission Clock

Structure

N*64Kbps

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GB

Maximum rate 2.048Kbps

Reception Clock

Structure

Maximum rate

N*64Kbps

2.048Kbps

Criteria

Management and reading

C108, C107, C105, C106, C109, C141

ENVIRONMENTAL CHARACTERISTICS

Dimension

Weight, with battery

Dimensions (mm)

≅ 200 gr.

84 (w) x 150 (l) x 32 (d)

Power

Hint

Accessory is feed through D2000

PRO

power out port

Temperature

Storage/Transport

Operating, nominal

Operating, limits

-40

o

C to +70

o

C

-5

o

C to +45

o

C

-10

o

C to +55

o

C

Humidity, non-condensing

≤ 93% RH @ 40

o

C

≤ 70% RH @ 55

o

C

Altitude

Storage/transport

Operating

12,000 meters

4,500 meters

User's Safety Aspects

EN 61010-1, EN 60950, EN 41003

EMC Aspects

EN 55022, EN 55024, EN 61000-3-2 / -

3-3

CE Marking

Class B (residential devices)

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4 FUNCTIONAL SPECIFICATIONS

OPERATING MODES AVAILABLE

Simulation

Ignore criteria

Mode selection

DTE, DCE

User defined

Runtime

USER’S BIT RATE

Transmission Clock

Structure

DTE

DCE

Internal clock rates

External maximum rate

Mode selection

N*64Kbps

External (C114 -> C113)

Internal (C115)

48, 64, 128, 192, 256, 320, 384, 512,

640, 768, 960, 1.024, 1.280, 1.536,

1.920, 2.048 Kbps

2.048Kbps

Runtime

Reception Clock

Structure

DTE

DCE

Internal clock rates

External maximum rate

Mode selection

N*64Kbps

External (C115)

Internal (C114), Looped (C113)

48, 64, 128, 192, 256, 320, 384, 512,

640, 768, 960, 1.024, 1.280, 1.536,

1.920, 2.048 Kbps

2.048Kbps

Runtime

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4.1 Pin Out

DTE Mode

DCE Mode

1 - Nc

2 - C113A

3 - C115B

4 - C105

,

Control A

(

V.11

)

5 - C106

,

Indication A

(

V.11

)

6 - C103A

(

TxA

1

)

7 - Ground

8 - C114A

9 - C104A

(

RxA

1

)

10 - C109 Byte timing B (V.11)

12 - C107

11 - C141

13 - Reserved

In

Out

-

C113B -14

Out

In

Out

In

-

Out

C115A -15

Control B

(

V.11

)

-16

Indication B

(

V.11

)

-17

C103B

(

TxB

1

)

-18

C114B -19

C104B

(

RxB

1

)

-20

Byte timinig A (V.11) -21

22

23

C108 -24

Ground -25

Out

In

-

1 - Nc

2 - C114A

3 - C115B

4 - C106

,

Indication A

(

V.11

)

5 - C105

,

Control A

(

V.11

)

6 - C104A

(

TxA

1

)

7 - Ground

8 - C115A

9 - C103A

(

RxA

1

)

10 - C109 Byte timing B (V.11)

12 - C108

11 - Reserved

13 - Reserved

Out

-

C114B -14

Out

In

Out

In

Out

-

Out

C115A -15

Indication B

(

V.11

)

-16

Control B

(

V.11

)

-17

C104B

(

TxB

1

)

-18

C115B -19

C103B

(

RxB

1

)

-20

Byte timinig A (V.11) -21

22

23

C107 -24

Ground -25

Out

-

In

Out

In

Out

In

-

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GB

X.21bis/V.35 - 34 poles socket (ISO2593) – DTE mode

PIN CRITERION DIRECTION

AA C114B In

Y C114A In

S C103B (TxB1) Out

P C103A (TxA1) Out

X C115B In

V C115A In

T C104B (RxB1) In

R C104A (RxA1) In

W C113B Out

U C113A Out

F C109 (DCD) In

H C108 (DTR) Out

E C107 (DSR) In

D C106 (CTS) In

C C105 (RTS) Out

L C141 (LL) Out

B Ground -

X.21bis/V.36 - 37 poles socket (ISO4902) - DTE mode

PIN CRITERION DIRECTION

23 C114B In

5 C114A In

22 C103B (TxB1) Out

4 C103A (TxA1) Out

26 C115B In

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8 C115A In

24 C104B (RxB1) In

6 C104A (RxA1) In

35 C113B Out

17 C113A Out

13 C109 (DCD) In

12 C108 (DTR) Out

11 C107 (DSR) In

9 C106 (CTS) In

7 C105 (RTS) Out

10 C141 (LL) Out

20, 25, 30,

37

Ground -

X.21/V.11 - 15 pole socket (ISO4903) - DTE mode

PIN CRITERION DIRECTION

9 C103B (TxB

1

) Out

2 C103A (TxA

1

) Out

13 C115B In

6 C115A In

11 C104B (RxB

1

) In

4 C104A (RxA

1

) In

14 Byte timing A (n.a.) In

7 Byte timing B (n.a.) In

3 Control A Out

10 Control B Out

5 Indication A In

12 Indication B In

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8 Ground -

1

Signals referred to D2000Pro

4.2 Optional Codes

CODE DESCRIPTION

6100999171 Cable kit, DTE simulation

6100999172 Cable kit, DCE simulation

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