manuais AT&T Data Service Units 3551

At t Data Service Units 3551 Manual do Utilizador (157 páginas)

Marca: At-t | Categoria: Redes | Tamanho: 1.17 MB |

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Índice

COMSPHERE

1

3550 Series

2

Data Service Units

2

Models 3550 and 3551

2

Model 3550 and 3551

3

Important Safety Instructions

4

Government Requirements

6

4. Operating the DSU

9

5. Configuring the Unit

9

Appendix

9

List of Figures

10

List of Tables

11

Table of Contents

12

About This Guide

14

How to Use This Guide

14

Related Documents

15

Ordering Information

15

Reference Documents

15

About Your DSU

16

Optional Features

17

Upgrades Available

18

Technical Specifications

18

Table 1-1

19

(1 of 2)

19

Specifications

19

Criteria

19

(2 of 2)

20

Specifications Criteria

20

Table 1-2

21

DSU Technical Specifications

21

Table 1-3

22

Equipment Warranty

23

Out of Warranty

24

Installing the Model 3550 DSU

26

How to Change

27

Hardware Straps

27

Table 2-1

28

Where to Place the DSU

29

Installing the DSU

29

Connecting to the Network

30

Connecting to the NMS

31

Tributary DSU Addressing

34

Connecting the DSU to a DTE

35

Verifying Operation and

36

Testing Connections

36

Verifying DBM Operation

37

Verifying TDM/Flex Operation

37

Other Tests

37

Installing the Model 3551 DSU

38

Before You Begin

39

Table 3-1

40

Switch Position

40

Switch Setting Function

40

Connecting to the

46

DDS (or LADS) Network

46

To Connect the SDCP to a DSU

48

Operating the DSU

50

Overview

51

DCP and SDCP Operation

51

Menu Structure

53

Status Branch

53

Device Health and Status

53

Expanded Health and Status

54

Subnetwork Health and Status

54

Backup Branch

55

Understanding Operating Modes

56

Placing a Backup Call

57

Manual DDS Restoration

57

Local Loopback

58

Test Branch

58

DTE Loopback

59

Digital Loopback

59

Remote Digital Loopback

59

Bilateral Loopback

59

End-to-End Test

60

Bit Error Rate Test

60

Configuration Branch

61

Full Mode

62

Reconfiguring a DSU Port

63

Reconfiguring a TDM/Flex Port

63

Displaying the Poll List

64

Changing the Poll List

64

Acquiring the Poll List

65

Entering a Telephone Number

66

Assigning an Address

67

Control Branch

68

Displaying External Leads

68

Changing External Leads

68

Messages Branch

69

Configuring the Unit

70

Using the DCP to

71

Set Configuration Options

71

Saving Configuration Options

72

Example Using the DCP

72

Configuration Option Tables

74

Table 5-1

75

DSU Configuration Options

75

Table 5-2

77

Table 5-3

78

Table 5-4

79

Table 5-5

79

Table 5-6

81

(1 of 4)

81

DBM Configuration Options

81

(2 of 4)

82

(3 of 4)

83

(4 of 4)

84

Table 5-7

85

Table 5-8

86

General Configuration Options

86

Table 5-9

90

Backup Configuration Options

90

Table 5-11

94

Table 5-12

96

Table 5-13

97

Table 5-14

98

DSU Menu

100

System Administrator

103

Configuration Worksheets

104

(Full Menu Mode: Enabled)

105

DBM Installed

105

TDM/Flex Installed

105

(Full Menu Mode: Disabled)

107

Status Indicators and

110

Control Panel Messages

110

(circuit designations)

111

Table C-3

113

(2 of 3)

113

Message Condition

113

(3 of 3)

114

Table C-4

115

Condition

115

Table C-5

116

Progress Messages

117

Error Messages

118

Table C-10

120

(1 of 3)

120

TDM/Flex Error Messages

120

Condition Action

120

Message ActionCondition

121

Pin Assignments

124

Application Configurations

134

Multipoint Applications

136

Equipment List

138

Equipment Comcode

139

Feature/Part No

139

G = Factory Install

139

F = Field Install

139

Equipment* Part Number

140

Glossary

142

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