Pickering PXI 40-795-001 Manuel utilisateur

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Page (1)

8/16 TRIBUTARY DAISY CHAIN SWITCH, BALANCED 40-795/796

pickering

Issue 3.2 May 2017

User Manual

8/16 Tributary Daisy Chain Switch, Balanced

(Model Nos. 40-795-001 / 40-796-001)

pickeringtest.com pickering

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8/16 TRIBUTARY DAISY CHAIN SWITCH, BALANCED 40-795/796

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Page (II) REED RELAY MODULE 40-110/115/120/125

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No part of this publication may be reproduced, transmitted, transcribed, translated or stored in any form, or by

any means without the written permission of Pickering Interfaces.

Technical details contained within this publication are subject to change without notice.

ISO 9001

Reg No. FM38792

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8/16 TRIBUTARY DAISY CHAIN SWITCH, BALANCED 40-795/796

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Page (III)

REED RELAY MODULE 40-110/115/120/125

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TECHNICAL SUPPORT

For Technical Support please contact Pickering Interfaces either by phone, the website or via e-mail.

WARRANTY

All products manufactured by Pickering Interfaces are warranted against defective materials and workmanship for a period of

three years, excluding programmable power supplies, from the date of delivery to the original purchaser. Any product found to be

defective within this period will, at the discretion of Pickering Interfaces be repaired or replaced.

Products serviced and repaired outside of the warranty period are warranted for ninety days.

Extended warranty and service are available. Please contact Pickering Interfaces by phone, the website or via e-mail.

ENVIRONMENTAL POLICY

Pickering Interfaces operates under an environmental management system similar to ISO 14001.

Pickering Interfaces strives to full all relevant environmental laws and regulations and reduce wastes and releases to the

environment. Pickering Interfaces aims to design and operate products in a way that protects the environment and the health and

safety of its employees, customers and the public. Pickering Interfaces endeavours to develop and manufacture products that can

be produced, distributed, used and recycled, or disposed of, in a safe and environmentally friendly manner.

Worldwide Technical Support and Product Information

pickeringtest.com

Germany

Tel: +49 89 125 953 160

E-mail: [email protected]

Sweden

Tel: +46 340-69 06 69

E-mail: [email protected]

USA

Tel: (West) +1 541 471 0700

Tel: (East) +1 781 897 1710

E-mail: [email protected]

Czech Republic

Tel: +420 558 987 613

E-mail: [email protected]

France

Tel +33 9 72 58 77 00

E-mail [email protected]

Pickering Interfaces Headquarters

Stephenson Road Clacton-on-Sea CO15 4NL United Kingdom

Tel: +44 (0)1255-687900

E-Mail: [email protected]

China

Tel: +86 4008 799 765

E-mail: [email protected]

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Page (IV)

8/16 TRIBUTARY DAISY CHAIN SWITCH, BALANCED 40-795/796

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Page (IV) REED RELAY MODULE 40-110/115/120/125

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MEANING / DESCRIPTION SYMBOL

PROTECTIVE EARTH (GROUND)

To identify any terminal which is intended for connection to an external conductor for

protection against electric shock in case of a fault, or the terminal of a protective earth

(ground) electrode.

DANGEROUS VOLTAGE

To indicate hazards arising from dangerous voltages.

WARNING / CAUTION

An appropriate safety instruction should be followed or caution to a potential hazard

exists.

Refer to the relevant instructions detailed within the product manual.

HEAVY

If this product is heavy reference should be made to the safety instructions for

provisions of lifting and moving.

STATIC SENSITIVE

To indicate that static sensitive devices are present and handling precautions should

be followed.

SAFETY SYMBOLS

PRODUCT SAFETY

The following safety symbols may be used on the product and throughout the product documentation.

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Technical Support and Warranty................................................III

Product Safety .............................................................................IV

Contents (this page)....................................................................V

Warnings and Cautions ..............................................................VII

Section 1

Technical Specication...............................................................1.1

Section 2

Technical Description .................................................................2.1

Functional Description...........................................................2.1

Relay Schematic.....................................................................2.3

Section 3

Installation....................................................................................3.1

Pre Operation Checks............................................................3.1

Hardware Installation .............................................................3.2

Software Installation ..............................................................3.2

Testing Operation ...................................................................3.3

Section 4

Programming Guide....................................................................4.1

Programming Options For Pickering PXI Cards..................4.1

Module Architecture 40-795/796 ..........................................4.3

Programming The Module 40-795/796.................................4.9

Sub-unit Schematics..............................................................4.10

Signal Routing Examples ......................................................4.12

Section 5

Connector Information................................................................5.1

Section 6

Trouble Shooting .........................................................................6.1

Section 7

Maintenance Information............................................................7.1

Component Layout.................................................................7.2

CONTENTS

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Page (VII)

REED RELAY MODULE 40-110/115/120/125

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WARNINGS AND CAUTIONS

WARNING - HAZARDOUS ENVIRONMENTS SYMBOL

This product is not specically designed for use in hazardous environments, for example in explosive

atmospheres. If the product is to be used in hazardous environments we recommend that the user

ensures suitable protective measures are taken.

WARNING - DANGER OF ELECTRIC SHOCK SYMBOL

This module may contain hazardous voltages. Before removing the module from the rack remove all

supplies and disconnect user I/O signals.

Unused slots in the PXI/LXI chassis are populated with blanking plates to prevent access to user

I/O signals that may be present. Blanking panels are available to order from Pickering in a variety

of slot widths. If the product is not used in this manner for example by using an extender card then

additional care must be taken to avoid contact with exposed signals.

CAUTION - HANDLING OF ELECTROSTATIC-SENSITIVE DEVICES SYMBOL

Certain semiconductor devices used in this equipment are liable to damage due to static voltage.

Observe the following precautions when handling these devices in their unterminated state, or

sub-assemblies containing these devices:

1. Persons removing sub-assemblies from equipment using these devices must be earthed by a

wrist strap and a resistor at the point provided on the equipment.

2. Soldering irons used during the repair operations must be low voltage types with earthed tips and

isolated from the mains voltage by a double insulated transformer.

3. Outer clothing worn must be unable to generate static charges.

4. Printed Circuit Boards (PCBs) tted with these devices must be stored and transported in

anti-static bags.

CAUTION - PRODUCT DOCUMENTATION SYMBOL

Suitably qualied & trained users should ensure that the accompanying documentation is fully read

and understood before attempting to install or operate the product.

SAFETY INSTRUCTIONS

All cleaning and servicing requires the equipment to be isolated and disconnected from the power source and user I/O

signals (refer to the Maintenance Section).

• Appropriate manual handling procedures should be followed as dictated by the weight of the individual module or

the combined weight of the modules & chassis.

• Should a fault occur with the module or chassis, immediately isolate and disconnect the incoming power to the

chassis and the user I/O signals.

• Ensure the equipment is installed, operated and maintained by trained and authorised personnel.

• For suitably equipped products in the event of an emergency press the red “emergency stop” button situated on

the front of the unit.

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Page 1.1

8/16 TRIBUTARY DAISY CHAIN SWITCH, BALANCED 40-795/796

pickering SECTION 1 - TECHNICAL SPECIFICATION

SECTION 1 - TECHNICAL SPECIFICATION

pickeringtest.com

TEST SIGNAL IN

RX1

DAISY

CHAIN

TX1 RX2 TX2 RX16 TX16

DAISY

CHAIN

OUT

16-Chan.

MUX

21 3 4 16

16-Chan.

MUX

21 3 4 16

TEST SIGNAL OUT

DEVICE UNDER TEST

40-795/796

8/16 Tributary Daisy Chain Switch Balanced

●Suitable For Testing SONET/SDH Transmission

Multiplexers

●Suitable For Switching 100/120ΩBalanced Lines

●8 or 16 Tributaries Per 1-Slot Module

●Up To 272 Tributaries Per 18 Slot PXI Chassis

●Expandable To Any Size: 8, 16, 24...

●All Tributaries Can be Daisy-Chained to One Signal

●VISA, IVI & Kernel Drivers Supplied for Windows

●Supported by PXI or LXI Chassis

●Diagnostic Tool Available (PI-MXT)

●3 Year Warranty

The 40-795/796 Daisy Chain Switching Module is designed

for telecom test applications. It allows production or

veriﬁcation testing of SONET/SDH transmission multiplexers

switching 2MBit/s (E1) or 1.5MBit/s (T1) data over 100Ωor

120 Ωbalanced lines. The following modules are available:

• 8 Tributary Daisy Chain Switch Balanced Module

(40-795-001)

• 16 Tributary Daisy Chain Switch Balanced Module

(40-796-001)

Multiple modules can be cascaded together to form very large

systems, for example a 7-slot PXI chassis can contain a 112

tributary switching system and an 18-slot PXI chassis can

contain up to 272 tributaries.

The Daisy Chain Switching Module allows trafﬁc to be

sequentially Daisy-Chained through all tributaries (or any

selection of tributaries) and modules can be cascaded to test

any number of tributaries. Multiplexers are provided to allow

transmit or receive instrumentation to be connected to any

tributary. This allows speciﬁc testing of a port, for example for

the measurement of pulse shape distortion or return loss.

Simpliﬁed Block

Diagram for the

16 Tributary Daisy

Chain Switch

Balanced Module

(40-796).

The 8 Tributary

version (40-

795) is the same

conﬁguration with

half the channels.

Note that each

path and switch

shown represents a

two-pole balanced

connection.

ISSUE 6.2 MAY 2017

SDH/SONET Tributary Testing is a very specialised

area, please contact Pickering Interfaces for additional

application information and to discuss your exact

requirements.

Pickering Interfaces also have SDH/SONET switching

solutions in our System 30 (VXI) and system 20 (IEEE-

488) switching systems.

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

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