Data Network Terminal Single-port and Multiport
DNT2Mi sp/mp
User Manual C33975.85--B0
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Product code
DNT2Mi sp/mp, AC-powered
DNT2Mi sp/mp, DC-powered
DNT2Mi sp/mp, remote-powered
2 Introduction to DNT2Mi 3 Applications 4 Construction and interfaces
Contents
Contents Summary of changes 1 About this document
Installing DNT2Mi
Maintaining DNT2Mi
Using front panel menus
Using Q1 menus
10 Technical specifications
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Appendix A
Glossary
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Date
Summary of changes
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Document
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1 About this document
Nokia Proprietary and Confidential
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DN01145897
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
4.1 Front panel
4 Construction and interfaces
4.1.2 Local management interface
4.1.1 Indicators and keys
Length
Connector
Code
Name
Length
Connector
Code
Name
Multiport DNT2Mi
4.2 Rear panel
Remote-powered DNT2Mi
REMOTE-POWERED VERSION
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4.2.1 Terminal interfaces
Pin Line interface
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G.704/2M
DTE interface adapter units
Connector type
Ethernet
Figure 10. DTE interface options continued
5.2 Grounding of DNT2Mi
5 Installing DNT2Mi
5.1 Electromagnetic compatibility
5.3 Clearances around DNT2Mi
Then proceed according to the steps below
5.4 Work order
5.5 Inserting DTE interface units
To insert DTE interface units
5.7.1 Installing DNT2Mi on a wall
5.6 Free-standing installation
5.7 Installing DNT2Mi on a wall or into a rack
To install DNT2Mi free-standing
To install DNT2Mi on a wall
ø 6 mm bit 45 mm Figure 15. Drilling screw holes into a wall
100 mm Figure 14. Marking of fixing points for wall screws
5.7.3 Installing a modem shelf into a 19-inch rack
5.7.2 Uninstalling a wall-mounted DNT2Mi
To uninstall a wall-mounted DNT2Mi
5.7.4 Installing DNT2Mi in a modem shelf
To install a modem shelf into a 19-inch rack
To install DNT2Mi in a modem shelf
To uninstall DNT2Mi from a modem shelf
5.7.5 Uninstalling DNT2Mi from a modem shelf
5.8 Connecting power supply
1.0 mm
Lines correct
Lines cross-connected
5.8.2 Strain relief
5.8.1 Troubleshooting
5.9.2 Adjusting the LCD display
5.9 Completing the installation
5.9.1 Verifying the installation
To verify that you have installed DNT2Mi correctly
6 Commissioning DNT2Mi
6.1 Automatic power-up test
6.2 Management
6.3 Timing source
6.4 Line settings
6.5 Port settings
6.7 Protection settings
6.6 Time slot settings Q1 6,5
6.8 Measurements
Noise margin
6.9 Default values
Bit error ratio
Port parameters, V-series V.11, V.28, V.35 or EIA-530-A
Table 5. Global parameters Continued
Line parameters
Table 7. Multiplexer parameters
Port parameters, G.704/2M
Port parameters
Port parameters, G.703/64k
6.10 Factory values
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7.1 Getting general information
7 Maintaining DNT2Mi
DNT2Mi AS Line no incoming signal Figure 27. Example of Fault display
7.2 Monitoring alarms
Front panel
7.3 Testing
Alarm
Q1 message
panel
Power up test
Front
Automatic
management
Front
Automatic
panel
Figure 31. PRBS 29-1 test transmitter/receiver
Figure 29. Local test loop in a port
Figure 30. Network test loop single-port
7.4 Checking measurements and statistics
Description
DNT statistics via the front panel or Q1
Information
Abbreviation and/or
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8 Using front panel menus
Using front panel menus
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Single-port DNT2Mi
LED INDICATORS
INTERFACE SIGNALS
Multiport DNT2Mi
Display
Figure 36. Front panel main menus
8.2 Configuring DNT2Mi
8.1 Main menu levels
The modem automatically detects the port adapter type in use and shows the corresponding configuration parameters under the Configure Port menu option
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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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Figure 45. Front panel menus for common settings
8.2.3 Configuring common settings
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8.2.4 Default settings
Figure 46. Front panel menus for default settings
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Using front panel menus
8.3 Testing DNT2Mi
8.3.1 Testing a port
8.3.2 Testing a line
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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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Figure 52. Front panel menus for monitoring alarms
8.4.3 Monitoring alarms
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8.4.5 Self testing
8.4.4 Monitoring equipment information
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5. Controls temporary 6. Settings permanent
9 Using Q1 menus
9.1 General
Figure 55. Main Q1 menu structure
1 Fault display
4 Identifications 5 Controls 6 Settings 7 Measurements 8 Statistics
DNT settings
Give new Eq name
Figure 56. Identifications menu
4,7,4,1
Figure 57. Identifications menu continued
4,7,4
4,7,4,0
5,2, port #
Figure 58. Controls menu
DNT controls
Figure 59. Settings menu structure
Interface type
Figure 60. Settings menu structure continued
Figure 61. Settings menu structure continued
BER alarm severity 0 Display 1 No alarm 2 A-level alarm
Using Q1 menus
Power backoff 0 Display 1 ON 2 OFF
BER alarm limit 0 Display 1 E-3 2 E-6
6,5,1,TS#
Figure 63. Settings menu structure continued
6,4,port#
6,5,1
6,4, port#,4
Figure 64. Settings menu structure continued
6,4, port #
6,4, port#,2
G.704/2M & D2048 Interface settings 6,4, port #
Figure 66. Settings menu structure continued, V-type adapters
6,4,port #,3,1
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 #
NM = Noise margin At = Attenuation
Figure 69. Measurements menu structure
Figure 70. Statistics menu structure
8,3,1
Figure 71. Statistics menu structure continued
8,2,3
8,2,4
Figure 72. Privileges menu structure
Give new password 1...7 characters
9.3.1 Display 6,0
9.3 DNT settings
9.2 DNT controls
Q1 speed 6,1,1
9.3.2 Service options 6,1
9.3.3 Timing source 6,2
DNT2Mi
Internal timing
DNT2Mi
Port timing
2-wire or 4-wire mode Line rate
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
STU-C 6,3,3,1
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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
Nokia Corporation
Give line rate 6,3,3,1,2,n 6,3,3,1,4,n
kbit/s
DNT2Mi reach
9.3.5 Port settings 6,4, port #
Synchronous or asynchronous 6,4, port #,3,1
Timing
CT103 timing by CT113, Line timing DNT2Mi
103 113 114 104 115
Tx Line SHDSL Rx
CT103 timing by CT114, Internal timing
DTE circuits 6,4, port #,3,3
CT103 timing by CT113, Internal timing
DNT2Mi
DSR & DTR use 6,4, port #,3,3,3
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
Figure 80. Time slot mapping example, TS0 locally terminated
BF monitoring only with the D2048-type adapters
CRC monitoring only with the D2048-type adapters
TS mapping 6,4, port #,3,4
BER alarm limit 6,4, port #,3,7
9.3.6 Time slot use 6,5
9.3.7 Default settings 6,6
9.3.8 Factory settings 6,7
In the Port/Line statistics submenu
9.4 Statistics
9.5 User privileges
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10 Technical specifications
10.1 Dimensions
Technical specifications
DC power supply
10.2 Power supply
Power consumption, depending on adapters and power supply used AC, DC
AC power supply
10.4 Unit identification
10.3 Line interfaces
10.5.1 Environmental and mechanical requirements
10.5 Ambient conditions
Operating conditions
10.5.2 Electromagnetic compatibility
Technical specifications
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The conditions listed in Section 5.1 must be fulfilled
10.5.3 Safety and protection
Table 26. Port settings
Appendix A A.1 Commissioning chart
Table 25. General settings
Port
Table 26. Port settings Continued
Setting
Port
Port
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Line
Port
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Glossary Abbreviations
Errored Seconds Ratio
Power
Terms