Encore 24 PORTS NWAY SWITCHING HUB User's Guide download pdf (Page 23)

xxiii

Preface G

The Multi-port Encore DSU/CSU User Guide provides the information to install, test,

operate and manage Digital Link VX Encoreª, DL100 Encoreª and DL1200/2400ª

DSU/CSUs (DSU/CSU or unit in this guide).

Audience

This guide is intended for network managers and technicians experienced in installing

LAN to WAN equipment. Users should be thoroughly familiar with the network

topology within which the DSU/CSU operates.

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 197 198

Encore Multi-port 1
DSU/CSU User Guide 1
Disclaimer 3
ISO RegistrationCompliance 4
Table of Contents 5
Chapter 2, Installation 2-1 6
Chapter 3, ConÞguration 3-1 7
Table of Contents ix 9
Table of Contents xi 11
Glossary Glossary-1 13
Index Index-1 13
List of Figures G 15
List of Figures xvii 17
List of Tables G 19
List of Tables xxi 21
Preface G 23
Typographic Conventions 25
To follow a link: 26
To retrace your viewing path: 26
Examples 26
Returning a DSU/CSU 28
Send Us Your Comments 28
Introduction 29
DL100 30
Service 31
Data ports 32
Access/Management Features 32
Compliancy 33
About the Telnet Utility 33
Installation 35
Required Location 36
Check the Equipment 36
Equipment Model Numbers 37
Installation 2-5 39
Connecting to Power 40
Installation 2-7 41
Connecting to the T1 Network 46
About the Cabling 46
Determine Correct Distance 47
ConÞguration 49
Check the Comm Port Settings 50
Connecting an ANSI Terminal 51
ConÞguration 3-5 53
Access Rights 54
The Unit ID 55
Log On from a Terminal 56
Log On Through Telnet 56
Log On in Other Conditions 57
Logging Off 57
Editing a Parameter 59
ConÞguration 3-13 61
(INTERNAL) is used 66
DSU/CSU and the 66
ConÞguring the Data Ports 67
DSU/CSU inverts the 68
DSU/CSU removes the 1s 68
Allocating Timeslots 69
Three Allocation Methods 69
ConÞguration 3-23 71
ConÞguring for SNMP 76
ConÞguration 3-29 77
How Alarms Are Reported 81
Menu-7 Alarm I 83
DSU/CSU is 84
Menu-8 Alarm II 85
DSU/CSU waits 89
Modem Initialization 90
ConÞguration 3-43 91
Monitoring and 93
Management 93
Monitoring Status 94
Menu-1 Main Status Parameters 95
network signal is missing 96
AUX DTE Status 97
DATA DTE Status 97
Menu-2 Data DTE Status 99
Data DTE Status Parameters 100
Monitoring Performance 101
(Figure 4-4) 103
Displaying the Event Log 107
Event Log Parameters 108
The Front Panel 111
The Interface 112
Using the Front Panel 113
(▲) or Down (▼) arrow 113
(▲) and Down (▼) arrows at 113
Changing Information 114
Monitor Submenus 115
Test Submenus 116
Running a TEST PATTERN 117
ConÞguration Submenus 118
The Front Panel 5-9 119
The AUX CONFIG Menu 120
Required Information 120
Keep a Record 121
Diagnostics and 123
Troubleshooting 123
Adding a Caution Flag 124
Menu-9 Diagnostics Parameters 126
1:1 Pattern QRW Pattern 128
The Self Test 129
The Loop DTE Test 129
The Loop NET Test 130
The Loop Payload Test 131
The DTE/NET Test 132
The Loop Up Remote Test 133
The Pattern Tests 135
The Send All Zeroes Test 136
The Send 1:2 Test 136
Required Tools 137
The DSU/CSU does not Power Up 138
The NET LED is Constantly Red 141
LEDs do not Illuminate 144
Running Loopbacks 146
Running the Pattern Test 147
Technical SpeciÞcations 149
DS1 Interface 150
System Timing 150
Front Panel 151
Power Options 151
Alarm Contacts 152
Environmental 152
Regulatory 153
Diagnostics and Tests 154
Front Panel LEDs 155
LEDs (Continued) 157
T1 line. Non-intrusive 158
T1 network. Non-intrusive 158
Technical SpeciÞcations A-11 159
Factory Default ConÞguration 161
Not Assigned 162
Connector Pin 165
Assignments 165
DTE Port Pin Assignments 166
3 Send toward DTE Tip (T1) 166
DTE Ring (R1) 166
4 Frame Ground 166
(I/O to all DSUs only) 168
Adapter Pin Assignments 169
DTE Clock Rates 170
ConÞguration Worksheet 171
SNMP ConÞguration 173
Glossary 175
Glossary G-3 177
Glossary G-5 179
Glossary G-7 181
See also 183
Glossary G-11 185
Glossary G-13 187
Glossary G-15 189
Glossary G-17 191

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