Paradyne ACCULINK 316x User Manual Page 126
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- Table of contents
- TROUBLESHOOTING
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ACCULINK 316x DSU/CSU
4-10 December 1996 3160-A2-GB22-10
Starting a Data Terminal Loopback
The Data Terminal loopback command (DTLB) loops
the data received from the selected port, for all DS0
channels allocated to the port, back out the port. This
loopback occurs after the data passes through the port
circuitry but before it reaches the T1 framer.
HANDLING
PRECAUTIONS
FOR
STA
TIC-SENSITIVE DEVICES
This product is designed to protect
sensitive components from damage
due to electrostatic discharge (ESD)
during normal operation. When
performing installation procedures,
however, take proper static control
precautions to prevent damage to
equipment. If you are not sure of the
proper static control precautions,
contact your near
est sales or service
representative.
To perform a Data Terminal loopback,
1.
Press F2 to select T
est from the top-level menu
screen.
F1
DS
U E
SF
Stat Test Cnfig
F2
F3
2. From the T
est screen, press F2 to select Lpbk.
F1
Test:
Rlpbk Lpbk Ptrns
F2
F3
3. From the Loopback screen, press four times
to display the DTLB selection on the screen.
F1
Loopback:
Abort LLB PLB
F2
F3
4.
Press F3 to select DTLB.
F1
Loopback:
RLB DCLB DTLB
F2
F3
5. From the DTLB screen, press the function key for
the port for which you want to perform the data
terminal loopback. Use the scroll keys, if
necessary.
F1
Loopback: DTLB
Prt1 Prt2 Prt3
F2
F3
Test Started appears on Line 2. If a Data
Terminal loopback is already in progress, the
Already Active
message appears. If an invalid
combination of loopbacks is in progress, the error
message I
nvalid Test Combo
appears (see
Table 4-2 for valid loopback test combinations).
- ACCULINK 1
- 316x DATA SERVICE UNIT/ 1
- CHANNEL SERVICE UNIT 1
- (INCLUDES TERMINAL USER 1
- INTERFACE) 1
- United States 5
- Government Requirements 7
- Table of Contents 8
- 3. Operation 9
- 4. Maintenance 9
- Appendices 9
- List of Figures 10
- List of Tables 12
- Objectives and Reader 14
- Assumptions 14
- Related Documents 14
- Reference Documents 14
- Introduction 15
- Features 16
- Physical Description 18
- 3160/3164 DSU/CSU Front Panel 18
- 3160/3164 DSU/CSU Rear Panel 18
- Table 1-1 21
- Connector Name 21
- Model 3161 DSU/CSU Rear Panel 22
- Installation 24
- SERVICES 25
- FRACTIONAL T1 26
- Box Contents 28
- Important Safety Instructions 28
- Quick Start Procedure 28
- Optional Power Selection 29
- Power-Up Self-Test 32
- Selecting a Model 3161 33
- DSU/CSU Identity 33
- Establishing Access Security 35
- Setting/Changing a Password 35
- 3160/3164 DSU/CSU Cabling 37
- Factory Default Configuration 39
- Installing Front Panel 39
- Emulation Software 39
- Enabling/Disabling the Front 40
- 3160/3164 DSU/CSU User 41
- Interface Access Security 41
- Operating the Front Panel 45
- 496-14392-0 46
- Other Displays 47
- Table 3-1 49
- System LEDs 49
- Color Meaning 49
- Table 3-2 50
- NETWORK Interface LEDs 50
- Table 3-3 51
- DSX-1 Drop/Insert Port LEDs 51
- Table 3-4 52
- Data Port LEDs 52
- Front Panel Emulation on a PC 55
- Test Jacks 56
- Configuring the DSU/CSU 58
- Configuration Procedures 59
- Saving Edit Changes 62
- Selecting a Specific Port 63
- To Copy to One or All Ports 65
- Selecting the Port 66
- Setting the IP Address 68
- Access Type(s) 71
- Configuring DS0 Channels 76
- Allocating Data Ports 84
- 496-14341a-01 91
- Selecting the Shared 94
- Communication Port 94
- Checking the Status of the 95
- Table 3-9 96
- Health and Status Messages 96
- Self-Test Health 97
- Displaying Self-Test Results 98
- Performance Report 99
- Table 3-11 100
- (2 of 2) 100
- Performance Registers 100
- Operation 101
- ACCULINK 316x DSU/CSU 102
- Controlling the DSU/CSU 103
- Interface 104
- Starting Front Panel 111
- Emulation 111
- Using the Async Terminal 112
- COM Use:Term Modem Use:Term 112
- Char Length:8 Char Length:8 112
- Dial-In:Enab 112
- Customer ID: New Cust 113
- Model: ACCULINK XXXX 113
- Enter Password: _________ 113
- Menu Selection Screens 114
- Edit and Display Screens 114
- Terminating a Session 116
- Maintenance 117
- SNMP Traps 118
- Test Commands 119
- Remote Loopback Tests 120
- Sending a V.54/ANSI FT1 121
- Activation/Deactivation 121
- Starting a Line Loopback 122
- Starting a Payload Loopback 123
- Starting a DTE Loopback 123
- Starting a Repeater Loopback 124
- DTE-initiated Loopbacks 127
- Aborting Loopbacks 127
- Sending Test Patterns 128
- Monitoring Test Patterns 129
- Aborting Test Patterns 130
- Starting a Lamp Test 130
- Aborting a Lamp Test 131
- Downloading Software 133
- Resetting the DSU/CSU 133
- Front Panel Menu A 135
- Front Panel Menu 137
- Technical Specifications 138
- Table B-1 139
- Specifications Criteria 139
- Table B-2 140
- (1 of 2) 140
- Configuration Options 142
- Context-Sensitive Menu 143
- DTE Interface Configuration 143
- Table C-1 144
- Port Configuration Options 145
- Table C-2 146
- (2 of 3) 146
- (3 of 3) 147
- Network Interface 148
- Table C-3 149
- Channel Configuration 150
- Table C-5 151
- General Configuration Options 153
- User Interface Configuration 154
- Table C-7 155
- (2 of 4) 155
- (3 of 4) 156
- (4 of 4) 157
- Alarm Configuration Options 158
- Table C-8 159
- SNMP Configuration Options 161
- Table C-9 162
- Table C-10 163
- Pin Assignments 165
- Receiver Ring 1 166
- Receiver Tip 2 166
- Transmitter Ring 4 166
- Transmitter Tip 5 166
- Receiver Ring 1 11 167
- Receiver Tip 2 3 167
- Transmitter Ring 4 9 167
- Transmitter Tip 5 1 167
- DSX-1 Port DTE Interface 168
- Integral Modem Service Port 169
- VF Ring 2 169
- VF Tip 3 169
- AUX Port Interface 170
- COM Port Interface 171
- Table D-6 172
- COM Port Connector (J6) 172
- Direction Pin Number 172
- EIA-530A DB25 Port Interface 173
- Connector 173
- RS449 Port Interface 174
- V.35 Port Interface Connector 176
- Power Cable 178
- Power Input Connector 178
- External Clock Connector 179
- Slide Latch Adapter 180
- SNMP MIB Objects 181
- Management Information Base 182
- (MIB) II (RFC 1213) 182
- (ifEntry 7) 185
- DS1/E1 MIB (RFC 1406) 187
- RS-232-like MIB (RFC 1317) 190
- Generic-Interface MIB 193
- Extensions (RFC 1229) 193
- Troubleshooting Table 195
- Table F-1 196
- Troubleshooting 196
- Configuration Worksheets 197
- Port Chan 202
- Options Value 202
- Equipment List 205
- Glossary 206
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