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4-1
4
Maintenance 4
This chapter discusses maintenance methods for the Solo E1 DSU:
¥ ÒMenu-1 Main StatusÓ on page 4-2
¥ ÒMenu-2 Data StatusÓ on page 4-5
¥ ÒCheck EfÞciency with Menu-3 Performance ReportsÓ on page 4-6
¥ ÒEvent LogÓ on page 4-12
The Solo E1 DSU collects and displays performance data to help you
manage and troubleshoot problems on the network. It monitors the line
continuously and displays the data on a terminal screen.
You can monitor and manage the Solo E1 DSU:
¥ From an ANSI terminal
¥ A Telnet connection
¥ An SNMP network management station (NMS) connected to the
COMM port.
The front panel LEDs also show the Solo E1 DSU status (refer to ÒInstalling
the ModuleÓ on page 2-18).
Monitor the status of the Solo E1 DSU from Menu-1 Main Status and the
status of the single DATA port from Menu-2 Data DTE Status.
Use the menus to troubleshoot the Solo E1 DSU:
¥ Menu-1 Main StatusÑdisplays Solo E1 DSU status
¥ Menu-3 Performance ReportsÑdisplays carrier and user registers, and
the event log.
¥ Menu-9 DiagnosticsÑto verify connections and circuits and
troubleshoot problems (refer to Figure 5-1 on page 5-2).
How Alarms Are Reported and Displayed
The Solo E1 DSU always reports all alarm conditions to either:
¥ The device connected to its COMM port (such as a terminal, printer, or
modem).
¥ The device connected to the COMM port of the remote device if
Connection is set to IBC (in Menu-8 Alarm II) on the local device.
- 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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