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6-8 DL3800 DS1 Inverse Multiplexer User Guide—February 1999

You cannot access the

DL3800 from a terminal.

The terminal must be running a VT100 or compatible terminal emulation

program.

Make sure you are using a straight through cable with pin 8 CTS cut at the

terminal end.

Make sure the Comm Port parameters match the terminal’s, and the DL3800

has a unique ID. If the DL3800 is in a daisy-chain, you can display a roll

call of all unit numbers by pressing Ctrl-x ﬁve times.

Table 6-1 Troubleshooting

(5 of 5)

Problem Solution

1 2 ... 109 110 111 112 113 114 115 116 117 118 119 ... 141 142

DL3800 DS1 Inverse 1
Multiplexer 1
User Guide 1
ISCLAIMER 3
OMPLIANCE 3
NFORMATION 4
Table of Contents 7
Chapter 3, Installation 3-1 8
Table of Contents -ix 9
Chapter 6, Diagnostics 6-1 10
Appendix A, SpeciÞcations A-1 10
Appendix B, Pinouts B-1 11
Table of Contents -xii 12
List of Figures 13
List of Figures -xiv 14
List of Tables 15
List of Tables -xvi 16
AUDIENCE 17
ORGANIZATION 17
CONVENTIONS 18
Typography 19
RETURNING A UNIT 20
SEND US YOUR COMMENTS 21
DOCUMENT CHANGE RECORD 21
Quick Install Guide 1 23
Terminal Log on 24
Terminal Conﬁguration 24
Unit Conﬁguration 24
DTE Conﬁguration 24
Network Conﬁguration 25
Save Conﬁguration 25
Introduction 2 27
DL3800 FUNCTIONAL DESCRIPTION 28
Signal Flow 29
T1 Port Mismatch Detection 30
Overhead Functions 31
DL3800 SYSTEM FEATURES 32
DL3800 SYSTEM BENEFITS 32
APPLICATION 33
Installation 3 35
MOUNTING THE DL3800 36
POWER CABLES AND CONNECTIONS 37
T1 NETWORK CONNECTION 38
DTE CABLE AND CONNECTION 38
ERMINAL AND SNMP CONNECTION 39
Daisy Chaining 40
Terminal Interface 4 41
TERMINAL OPERATION OVERVIEW 42
Terminal Interface 4-3 43
SELECT LOCAL/REMOTE 44
ALARMS AND STATUS 45
Network Common Equipment DTE 46
Statistics 48
Terminal Interface 4-9 49
Event History 51
Conﬁguration 52
Unit Conﬁguration 53
Option Action 54
Parameter Description/Action 57
Network Conﬁguration 58
Network Thresholds 63
System Utilities 64
Software Download 65
Software Download Options 67
RAM Software Options 68
TFTP Software Download 69
Login Conﬁguration 70
Terminal Interface 4-31 71
Parameter Description 72
SNMP Conﬁguration 73
NMS SLIP port on the local 74
Option Description/Action 74
IP Bridging to a Remote Unit 75
In-Band SNMP to Remote 76
DTE/Network Loopback 77
Payload Loopback 78
Line Loopback 78
Local Loopback 78
Manual Network Restoration 79
Front Panel Interface 5 81
BUTTON OVERVIEW 82
Front Panel LEDs 83
POWER UP AND RESET 85
TOP MENU 85
DL3800 Inverse Mux 86
SELECT REMOTE 86
DISPLAY 86
CONFIGURATION 86
SELECT REMOTE/SELECT LOCAL 87
DISPLAY MENU 87
DTE Status 89
NET (1-8) Status 89
NET (1 through 8) Statistics 89
TEST MENU 91
DTE TESTS 93
Network Tests (1 through 8) 94
CONFIGURATION MENU 95
Node Conﬁguration 97
Front Panel Interface 5-19 99
Parameter Deﬁnition 100
To node configuration menu 101
DTE Conﬁguration Menu 102
Network Conﬁg 102
Front Panel Interface 5-23 103
ETWORK THRESHOLDS 104
Front Panel Interface 5-25 105
Diagnostics 6 107
DTE/Network Loopback Test 108
LOCAL Loopback Test 108
TROUBLESHOOTING THE DL3800 109
(1 of 5) 110
Problem Solution 111
SpeciÞcations A 115
DTE INTERFACE 116
COMM PORT 116
FRONT PANEL 117
DIAGNOSTICS 117
ENVIRONMENTAL 118
PHYSICAL /CONNECTORS 118
Pinouts B 119
TWISTED 121
PAIR RS449 DB25 121
PAIR V.35 DB-25 121
T1 NETWORK PIN ASSIGNMENTS 122
DB-25 TO DE-9 ADAPTER PINOUTS 122
Pinouts B-5 123
DTE Clock Rates 124
Factory Default Settings C 125
Network Setting 126
Network Threshold Setting 126
SNMP Conﬁguration Setting 126
Tests Setting 127
Glossary G 129
Glossary G-7 131
Glossary G-9 133
Glossary G-11 135
Glossary G-13 137
Glossary G-15 139
Glossary G-17 141

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Digital Link DL3800 DS1 Guida Utente Pagina 114

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