Black Box ME445C-X.21, ME444AE-R3, ME445C-35, ME444A-R3, ME445C-530, ME444AE-530-R3 manual Contents

Page 8

CONTENTS

Contents

Chapter

 

 

Page

1.

Specifications

8

2.

Introduction

10

 

2.1

Physical Description

10

 

2.2

Functional Description

11

 

 

2.2.1

Encoder Modulator

11

 

 

2.2.2

Modulation Timing

12

 

 

2.2.3

Signal Levels

12

 

 

2.2.4

Receiver

12

 

 

2.2.5

V.54 Diagnostics

13

 

 

2.2.6 Test-Pattern Generator and Receiver

13

 

2.3 Applications

13

3.

Configuration

15

 

3.1

Placement of the Standalone Version

15

 

3.2

Installing the Card Version in the RackNest 2/14

15

 

3.3

Configuring the Standalone or Card Version

17

4.

Installation

21

 

4.1

Installing the Standalone Version in 19" Racks

21

 

 

4.1.1

Overview

21

 

 

4.1.2 Installing a Single Unit in a 19-Inch Rack

21

 

 

4.1.3 Installing Two Standalone Units in a 19-Inch Rack

22

 

4.2

Installing the 256-kbps Rackmount Card Version

24

 

4.3

Connecting Data Cables

33

 

 

4.3.1

Power Connection

33

 

 

4.3.2

LINE Connection

34

 

 

4.3.3

DTE Connection

34

5.

Operation

...................................................................................................

36

 

5.1

Controls and Indicators

36

 

5.2

Operating Procedure

38

6.

Troubleshooting

39

 

6.1

Loop Tests

39

 

6.2

Bit-Error-Rate Tester (BERT)

39

 

6.3

The Modem Self-Test

41

 

6.4

Local Analog Loopback

41

 

6.5

Remote Digital Loopback

43

 

6.6

Local Digital Loopback

44

 

6.7

Calling Black Box

45

 

6.8

Shipping and Packaging

46

Appendix: Maximum Distances

47

7

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Contents Kbps Line Driver FCC and IC RFI Statements Safety Warnings Declaration of Conformity Kbps Line Driver V.35, RS-530, or NOM Statement Trademarks Used in this Manual Contents Specifications Flow Control NoneSpecifications Introduction Physical DescriptionLine driver block diagram Functional DescriptionModulation Timing Applications Point-to-point applicationTail-circuit application Installing the Card Version in the RackNest 2/14 ConfigurationPlacement of the Standalone Version Description of the Racknest 2/14’S Power Supply Configuring the Standalone or Card Version User-configurable optionsUser-configurable options Layout of the 256-kbps Line Driver circuit board Kbps Line Driver V.35, RS-530, or Installation Installing the Standalone Version in 19-Inch RacksInstalling a single unit in a 19-inch rack Installing two units in a 19-inch rack Installing the 256-kbps Line Driver Rackmount Card Version Installing a card in the RackNest 2/14RackNest 2/14 illustrated Function Installation Kbps Line Driver V.35, RS-530, or Signal ITU-TSS Lead Name Abbrev Circuit Type Rack Norm Nest PIN Pinout of the V.35 standalone’s M/34 connector DB25 DA15 Connecting Data Cables Line Connection Installation Controls and Indicators OperationOperation Operating Procedure IndicatorsLoop Tests TroubleshootingBit-Error-Rate Tester Bert Bert using loops Modem Self-Test Local Analog LoopbackLocal analog loopback Remote Digital Loopback Local Digital Loopback Remote digital loopbackCalling Black Box Local digital loopbackShipping and Packaging Appendix Maximum Distances 19-AWG 22-AWG 24-AWG 26-AWG Kbps MilesCopyright 2004. Black Box Corporation. All rights reserved