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Glossary G-11
U
UA1 (Unframed All 1s)ÑWhen the DSU loses its signal from the DTE device,
it generates a
NET UA1 Received Alarm to the E1 network.
V
V.35ÑA CCITT standard for the trunk interface between a network access
device and a packet network. It deÞnes signaling for data rates greater than
19.2
Kbps.
V.52ÑTerminal emulation standard. CCITT standard (1976) for various loop-
back tests that can be incorporated into modems for testing the telephone cir-
cuit and isolating transmission problems. Operating modes include local and
remote digital loopback and local and remote analog loopback.
V.54ÑA CCITT standard for loop test devices in modems. It deÞnes local and
remote loopbacks.
X
X.21ÑAn interface between data terminal equipment (DTE) and data circuit-
equipment
(DCE) for synchronous operation on public data networks. Also, a
CCITT standard protocol for a circuit switching network.
- DL600E E1 1
- Data Multiplexer 1
- UserÕs Guide 1
- Product Limited Warranty 4
- Disclaimer 5
- ISO Registration 5
- Table of Contents 7
- Table of Figures 11
- Table of Tables 13
- ¥ About this Manual xviii 15
- About this Manual 16
- Typographic Conventions 17
- Send Us Your Comments 19
- When Returning a Unit 19
- About the DL600E Unit 21
- Introducing the DL600E Unit 22
- About the DL600E Unit 1-3 23
- DL600E Features 24
- About the Telnet Utility 25
- Applications 25
- Installing 27
- Checking the Equipment 28
- Equipment Model Numbers 29
- Gathering Information 29
- About the Power Supply 30
- Warning! 31
- CAUTION: 33
- ConÞguring 35
- Preparing to ConÞgure 36
- Connection be set to 38
- Modem in Menu-8 Alarm II 38
- User Access Rights 40
- Logging on from a Terminal 40
- password a second time when 41
- IP address 42
- Logging off 43
- Before You Begin 43
- Using the Terminal Interface 43
- Setting a Parameter in a Menu 43
- Overview of the ConÞguration 43
- About the Remote System 44
- NET (the alternate clock 46
- Downloading New Software 47
- DOWNLOAD UTILITY 0.1 48
- Operational Software: 48
- Updated Download Utility: OK 48
- Factory Download Utility: OK 48
- Download RAM allocated: OK 48
- Description* 49
- Configuring the Data Port 50
- Allocating Timeslots 51
- Allocation Type 52
- Allocation Type in edit mode 52
- 2 To specify Data Port 1: 53
- 1 To select Manual 53
- Allocate by Port Þeld 54
- ConÞguring for SNMP 55
- Ñ public) 56
- Ñ public) 56
- Superuser Access Rights 57
- Assigning User Passwords 57
- ConÞguring Alarm Conditions 58
- ConÞguring Alarms 59
- Menu-7 Alarm I Parameters 60
- Example: 1.2 x 10 61
- Example: 61
- Menu-8 Alarm II Parameters 62
- 15 Min. 30 Min., Unlimited 63
- Monitoring and Managing 65
- Introduction 66
- Logging on to the DL600E 66
- In Other Conditions 68
- Logging Off 70
- Monitoring Status 70
- Menu-1 Main Status Parameters 71
- E1 signal 72
- DTR or RTS DTE lines, user 73
- Menu-2 Data DTE Status 74
- Data DTE Status Parameters 74
- Reports which displays 75
- CRC errors 76
- CRC is incremented 76
- Using the Front Panel 77
- Interface 77
- Front Panel Description 79
- ( ) and press ENTER 80
- Front Panel Keys 81
- Front Panel Key 81
- Editing a Parameter 82
- Required Information 83
- Keeping a Record 83
- UNIT CONFIG submenu appears 84
- The UNIT CONFIG Submenu 85
- The Comm Port Settings 86
- The NET CONFIG Menu 87
- Setting External Timing 87
- NET TIMING 88
- Enabling NET IBC 89
- The AUX CONFIG Menu 89
- ConÞguring the Data Ports 90
- The TIMESLOT CONFIG Menu 91
- 01 - - 24 92
- 01, starts to blink) 93
- TS CONF MANUAL and press 93
- Using the MONITOR Menu 95
- Using the TEST Menu 96
- 2 To end the test, press 97
- Sending a Test Pattern 98
- 0 and can 99
- Pattern Options 100
- LAMP Test 101
- Diagnosing 103
- Running Diagnostic Tests 104
- The Diagnostics Menu 105
- Test Parameters 106
- Test Types 108
- Loop NET Test 109
- Loop Payload Test 110
- Send 1:2 Test 112
- Appendix 113
- Technical SpeciÞcations 113
- Technical SpeciÞcations A-3 115
- Terminal Supported 116
- Equipment Grounding Conductor 116
- Front Panel LEDs and Buttons 116
- Technical SpeciÞcations A-5 117
- Factory Default ConÞguration 119
- ConÞguration Worksheet 120
- DL600E Model Numbers 121
- Appendix B 123
- Connector and 123
- Pin Assignments 123
- E1 Network Pin Assignments 124
- DCD signal 130
- Glossary 133
- Glossary G-3 135
- DSU/CSU 137
- T1 capacity (one or 137
- DSU/CSU 138
- MIB pro 138
- QRW bit errors 139
- Glossary G-9 141
- DTE device 143
- Index I-1 145
- T1 network port 147
- X.21 format 3-17 147
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