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2-6 Solo E1 DSU User Guide—June 1998

DIP switch mode is the active mode by default (switch S2-12 is OFF). The

default is all switches OFF (Figure 2-2).

Figure 2-2 Solo E1 DSU Rear Panel

Table 2-4 and Table 2-5 on page 2-8 describe the S1 and S2 DIP switches.

CAUTION: Only connect one network port at a time (75 or 120 ohm),

unit may cause network harm if both ports are used.

NOTE: Switches 8,9 are not used on Bank S1 and switches 3,4 are

not used on Bank S2.

DC power

DATA Port

DIP switches

120 ohm NET Port

COMM Port

75 ohm NET Port

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 139 140

Solo E1 DSU User 1
Disclaimer 3
ISO Compliance 3
Table of Contents 5
Chapter 3, ConÞguration 3-1 6
Chapter 4, Maintenance 4-1 7
Chapter 5, Diagnostics 5-1 8
Table of Contents ix 9
List of Figures 11
List of Figures xiii 13
List of Tables 15
List of Tables xvii 17
Audience 19
Organization 19
Conventions 20
Typography 21
Returning a Unit 22
Send Us Your Comments 22
Preface xxiii 23
Introduction 1 25
Service Features 26
Management Capabilities 27
Installation 2 29
Terminal and DIP Switch Mode 30
Cable Requirements 30
Installing on a Flat Surface 31
Installing on a Tray 32
Installation 2-5 33
OFF (Figure 2-2) 34
DIP switches 34
DIP switches for S1 and S2 35
Installation 2-9 37
Grounding the Solo E1 DSU 39
Cable Connections 40
Network BNCs 41
Connect a Modem 43
DE-9 Connector, Pin 8 44
Installation 2-17 45
Installing the Module 46
Installation 2-19 47
Item Status Description 48
ConÞguration 3 51
Log On from a Terminal 52
Log On Through Telnet 52
Access Rights 53
Using The Terminal Interface 55
Setting a Parameter 56
Conﬁguration 3-7 57
Setting Unit ID 58
Setting Date or Time 59
Conﬁguring Network Parameters 59
Conﬁguring the DATA Port 61
Allocating Timeslots 62
to choose 63
Menu-0 SNMP Conﬁguration 65
Menu-7 Alarm I Conditions 67
Figure 3-8 Menu-8 Alarm II 70
(Default) Setting Description 71
Conﬁguration 3-23 73
Modem Initialization Strings 74
Conﬁguration 3-25 75
Maintenance 4 77
Menu-1 Main Status 78
Unit Status 79
Network Status 80
Error Statistics 81
DATA Status 82
Maintenance 4-7 83
Parameter Description 85
Event Log 87
(Default) Events 88
Diagnostics 5 91
Shortcut 92
Parameter Value Description 93
Shortcut Test Options 93
Self Test 94
Error Code Description 95
The Loop DTE Test 96
The Loop NET Test 97
The Loop Payload Test 97
The DTE/NET Test 98
The Loopup/Down Remote Tests 99
Pattern Tests 100
The Send 1:2 Test 101
The Lamp Test 101
Status LEDs 102
The Pattern Tests 103
Pattern Test Description 104
Troubleshooting 6 105
Troubleshooting 6-3 107
The NET LED is Constantly Red 108
Troubleshooting 6-5 109
No LEDs Illuminate 110
Technical SpeciÞcations A 111
Regulatory 112
Technical Speciﬁcations A-3 113
Diagnostics 114
Telnet and SNMP Management 114
Related Model Numbers 115
Communications 116
Cables Cable to terminal 116
Model Number Description 116
Connector and Pin 117
Assignments 117
DATA port can 118
DTE side connection only 119
V.35 DB-25 121
RS-449 DB-25 121
Pin Signal Description 122
Parameter 123
(Default) Option 123
DE-9 DB-25 123
Factory Default ConÞgurationC 125
COMM Port and Terminal 126
Item Default Item Default 126
ConÞguration Worksheet D 127
Item Setting Item Setting 128
Software Download E 129
Setting Up for TFTP 130
Initiating TFTP 131
Setting Up for XMODEM 132
(as instructed in the 132
Group Field Description 133
Abnormal Termination 134
Error Indicators 135
Download Aborted by User 136
Index I-3 139

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