DNT2Mi sp/mp
User Manual C33975.85--B0
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Data Network Terminal Single-port and Multiport
DNT2Mi sp/mp, AC-powered
DNT2Mi sp/mp, DC-powered
DNT2Mi sp/mp, remote-powered
Product code
Contents
Contents Summary of changes 1 About this document
Installing DNT2Mi
2 Introduction to DNT2Mi 3 Applications 4 Construction and interfaces
Using front panel menus
Using Q1 menus
10 Technical specifications
Maintaining DNT2Mi
Appendix A
Glossary
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Summary of changes
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Document
Date
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1 About this document
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2 Introduction to DNT2Mi
G.704/2M EIA-530-A Ethernet VF D2048
3 Applications
DNT2Mi provides an n x 64 kbit/s n = 1 to 32 data access and enables TDM multiplexing of line rates to three n x 64k ports. It also incorporates V.110 rate adaptation enabling port rates lower than 64 kbit/s
4 Construction and interfaces
4.1 Front panel
4.1.1 Indicators and keys
4.1.2 Local management interface
Connector
Code
Name
Length
Connector
Code
Name
Length
4.2 Rear panel
Remote-powered DNT2Mi
REMOTE-POWERED VERSION
Multiport DNT2Mi
4.2.1 Terminal interfaces
Pin Line interface
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G.704/2M
Connector type
Ethernet
Figure 10. DTE interface options continued
DTE interface adapter units
5.1 Electromagnetic compatibility
5 Installing DNT2Mi
5.2 Grounding of DNT2Mi
5.3 Clearances around DNT2Mi
5.5 Inserting DTE interface units
5.4 Work order
Then proceed according to the steps below
To insert DTE interface units
5.6 Free-standing installation
5.7 Installing DNT2Mi on a wall or into a rack
To install DNT2Mi free-standing
5.7.1 Installing DNT2Mi on a wall
To install DNT2Mi on a wall
100 mm Figure 14. Marking of fixing points for wall screws
ø 6 mm bit 45 mm Figure 15. Drilling screw holes into a wall
To uninstall a wall-mounted DNT2Mi
5.7.2 Uninstalling a wall-mounted DNT2Mi
5.7.3 Installing a modem shelf into a 19-inch rack
To install a modem shelf into a 19-inch rack
5.7.4 Installing DNT2Mi in a modem shelf
To install DNT2Mi in a modem shelf
5.7.5 Uninstalling DNT2Mi from a modem shelf
To uninstall DNT2Mi from a modem shelf
5.8 Connecting power supply
1.0 mm
Lines cross-connected
Lines correct
5.8.1 Troubleshooting
5.8.2 Strain relief
5.9 Completing the installation
5.9.1 Verifying the installation
To verify that you have installed DNT2Mi correctly
5.9.2 Adjusting the LCD display
6.1 Automatic power-up test
6 Commissioning DNT2Mi
6.2 Management
6.5 Port settings
6.4 Line settings
6.3 Timing source
6.6 Time slot settings Q1 6,5
6.7 Protection settings
6.8 Measurements
Bit error ratio
6.9 Default values
Noise margin
Table 5. Global parameters Continued
Line parameters
Table 7. Multiplexer parameters
Port parameters, V-series V.11, V.28, V.35 or EIA-530-A
Port parameters, G.703/64k
Port parameters
Port parameters, G.704/2M
6.10 Factory values
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7 Maintaining DNT2Mi
7.1 Getting general information
7.2 Monitoring alarms
DNT2Mi AS Line no incoming signal Figure 27. Example of Fault display
7.3 Testing
Alarm
Q1 message
Front panel
Power up test
Front
Automatic
panel
Front
Automatic
panel
management
Figure 30. Network test loop single-port
Figure 29. Local test loop in a port
Figure 31. PRBS 29-1 test transmitter/receiver
7.4 Checking measurements and statistics
DNT statistics via the front panel or Q1
Information
Abbreviation and/or
Description
8 Using front panel menus
Using front panel menus
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LED INDICATORS
INTERFACE SIGNALS
Multiport DNT2Mi
Single-port DNT2Mi
Display
8.1 Main menu levels
8.2 Configuring DNT2Mi
Figure 36. Front panel main menus
The modem automatically detects the port adapter type in use and shows the corresponding configuration parameters under the Configure Port menu option
8.2.1 Configuring a port
Figure 37. Configuring port 1 / V.xx type interfaces
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Using front panel menus
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Figure 39. Configuring ports / X.21 interfaces
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Using front panel menus
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Figure 42. Configuring ports / G.704 interfaces
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Using front panel menus
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Ports 2 and 3 in
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8.2.2 Configuring a line
Figure 44. Front panel menus for line settings
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8.2.3 Configuring common settings
Figure 45. Front panel menus for common settings
8.2.4 Default settings
Figure 46. Front panel menus for default settings
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8.3 Testing DNT2Mi
8.3.1 Testing a port
8.3.2 Testing a line
Using front panel menus
8.3.3 Testing the equipment
Figure 49. Front panel menus for testing the equipment
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8.4 Monitoring DNT2Mi
8.4.1 Monitoring a port
Using front panel menus
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8.4.2 Monitoring a line
Figure 51. Front panel menus for monitoring a line
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8.4.3 Monitoring alarms
Figure 52. Front panel menus for monitoring alarms
8.4.5 Self testing
8.4.4 Monitoring equipment information
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9.1 General
9 Using Q1 menus
5. Controls temporary 6. Settings permanent
1 Fault display
4 Identifications 5 Controls 6 Settings 7 Measurements 8 Statistics
DNT settings
Figure 55. Main Q1 menu structure
Figure 56. Identifications menu
Give new Eq name
Figure 57. Identifications menu continued
4,7,4
4,7,4,0
4,7,4,1
DNT controls
Figure 58. Controls menu
5,2, port #
Figure 59. Settings menu structure
Figure 60. Settings menu structure continued
Interface type
Figure 61. Settings menu structure continued
Using Q1 menus
Power backoff 0 Display 1 ON 2 OFF
BER alarm limit 0 Display 1 E-3 2 E-6
BER alarm severity 0 Display 1 No alarm 2 A-level alarm
Figure 63. Settings menu structure continued
6,4,port#
6,5,1
6,5,1,TS#
Figure 64. Settings menu structure continued
6,4, port #
6,4, port#,2
6,4, port#,4
G.704/2M & D2048 Interface settings 6,4, port #
Figure 66. Settings menu structure continued, V-type adapters
Figure 67. Settings menu structure continued, X- and VF-type adapters
X.21 interface settings 6,4,port#,3
VF Interface settings 6,4,port#,3
6,4,port #,3,1
Figure 68. Settings menu structure continued, G.703/64k & G.703/2M
G.703/64k Interface settings 6,4, port #
G.703/2M Interface settings 6,4, port #
6,4,port #,3,1
Figure 69. Measurements menu structure
NM = Noise margin At = Attenuation
Figure 70. Statistics menu structure
Figure 71. Statistics menu structure continued
8,2,3
8,2,4
8,3,1
Give new password 1...7 characters
Figure 72. Privileges menu structure
9.2 DNT controls
9.3 DNT settings
9.3.1 Display 6,0
9.3.2 Service options 6,1
Q1 speed 6,1,1
9.3.3 Timing source 6,2
Internal timing
DNT2Mi
Port timing
DNT2Mi
9.3.4 Line settings 6,3
This menu branch allows you to perform settings to a line
In this menu, you can select the following line settings SHDSL mode
2-wire or 4-wire mode Line rate
STU-C 6,3,3,1
Figure 75. Measured SHDSL symmetric PSD and mask 2-w, 2M
Figure 76. Measured SHDSL symmetric PSD and mask 4-w, 2M or 2-w, 1M
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Give line rate 6,3,3,1,2,n 6,3,3,1,4,n
DNT2Mi reach
kbit/s
9.3.5 Port settings 6,4, port #
Synchronous or asynchronous 6,4, port #,3,1
CT103 timing by CT113, Line timing DNT2Mi
103 113 114 104 115
Tx Line SHDSL Rx
Timing
DTE circuits 6,4, port #,3,3
CT103 timing by CT113, Internal timing
DNT2Mi
CT103 timing by CT114, Internal timing
G.704/2M-type interface settings 6,4, port #,3
CTS use 6,4, port #,3,3,1
DCD use 6,4, port #,3,3,2
DSR & DTR use 6,4, port #,3,3,3
BF monitoring only with the D2048-type adapters
CRC monitoring only with the D2048-type adapters
TS mapping 6,4, port #,3,4
Figure 80. Time slot mapping example, TS0 locally terminated
BER alarm limit 6,4, port #,3,7
9.3.8 Factory settings 6,7
9.3.7 Default settings 6,6
9.3.6 Time slot use 6,5
9.4 Statistics
In the Port/Line statistics submenu
9.5 User privileges
10 Technical specifications
10.1 Dimensions
Technical specifications
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10.2 Power supply
Power consumption, depending on adapters and power supply used AC, DC
AC power supply
DC power supply
10.3 Line interfaces
10.4 Unit identification
10.5 Ambient conditions
10.5.1 Environmental and mechanical requirements
10.5.2 Electromagnetic compatibility
Technical specifications
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Operating conditions
10.5.3 Safety and protection
The conditions listed in Section 5.1 must be fulfilled
Table 25. General settings
Appendix A A.1 Commissioning chart
Table 26. Port settings
Table 26. Port settings Continued
Setting
Port
Port
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Line
Port
Port
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Glossary Abbreviations
Errored Seconds Ratio
Power
Terms