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24 PORTS NWAY SWITCHING HUB
User's Guide
Encore 24 PORTS NWAY SWITCHING HUB User's Guide Page 110
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4-18
Encore Multi-port DSU/CSU User GuideÑJuly
, 1997
4
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2
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197
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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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