User Manual C33975.85--B0
DNT2Mi sp/mp
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Data Network Terminal Single-port and Multiport
DNT2Mi sp/mp, DC-powered
DNT2Mi sp/mp, AC-powered
DNT2Mi sp/mp, remote-powered
Product code
Contents Summary of changes 1 About this document
Contents
Installing DNT2Mi
2 Introduction to DNT2Mi 3 Applications 4 Construction and interfaces
Using Q1 menus
Using front panel menus
10 Technical specifications
Maintaining DNT2Mi
Glossary
Appendix A
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Summary of changes
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
4.1 Front panel
4 Construction and interfaces
4.1.2 Local management interface
4.1.1 Indicators and keys
Code
Connector
Name
Length
Code
Connector
Name
Length
Remote-powered DNT2Mi
4.2 Rear panel
REMOTE-POWERED VERSION
Multiport DNT2Mi
Pin Line interface
4.2.1 Terminal interfaces
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G.704/2M
Ethernet
Connector type
Figure 10. DTE interface options continued
DTE interface adapter units
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 Installing DNT2Mi on a wall or into a rack
5.6 Free-standing installation
To install DNT2Mi free-standing
5.7.1 Installing DNT2Mi on a wall
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
5.9.1 Verifying the installation
5.9 Completing the installation
To verify that you have installed DNT2Mi correctly
5.9.2 Adjusting the LCD display
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
Line parameters
Table 5. Global parameters Continued
Table 7. Multiplexer parameters
Port parameters, V-series V.11, V.28, V.35 or EIA-530-A
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
Alarm
7.3 Testing
Q1 message
Front panel
Front
Power up test
Automatic
panel
Automatic
Front
panel
management
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
Information
DNT statistics via the front panel or Q1
Abbreviation and/or
Description
Using front panel menus
8 Using front panel menus
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INTERFACE SIGNALS
LED INDICATORS
Multiport DNT2Mi
Single-port 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
Figure 37. Configuring port 1 / V.xx type interfaces
8.2.1 Configuring a port
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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
Ports 2 and 3 in
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Figure 44. Front panel menus for line settings
8.2.2 Configuring a line
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Figure 45. Front panel menus for common settings
8.2.3 Configuring common settings
Figure 46. Front panel menus for default settings
8.2.4 Default settings
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8.3.1 Testing a port
8.3 Testing DNT2Mi
8.3.2 Testing a line
Using front panel menus
Figure 49. Front panel menus for testing the equipment
8.3.3 Testing the equipment
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8.4.1 Monitoring a port
8.4 Monitoring DNT2Mi
Using front panel menus
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Figure 51. Front panel menus for monitoring a line
8.4.2 Monitoring a line
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Figure 52. Front panel menus for monitoring alarms
8.4.3 Monitoring alarms
8.4.4 Monitoring equipment information
8.4.5 Self testing
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5. Controls temporary 6. Settings permanent
9 Using Q1 menus
9.1 General
4 Identifications 5 Controls 6 Settings 7 Measurements 8 Statistics
1 Fault display
DNT settings
Figure 55. Main Q1 menu structure
Give new Eq name
Figure 56. Identifications menu
4,7,4
Figure 57. Identifications menu continued
4,7,4,0
4,7,4,1
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
Power backoff 0 Display 1 ON 2 OFF
Using Q1 menus
BER alarm limit 0 Display 1 E-3 2 E-6
BER alarm severity 0 Display 1 No alarm 2 A-level alarm
6,4,port#
Figure 63. Settings menu structure continued
6,5,1
6,5,1,TS#
6,4, port #
Figure 64. Settings menu structure continued
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
X.21 interface settings 6,4,port#,3
Figure 67. Settings menu structure continued, X- and VF-type adapters
VF Interface settings 6,4,port#,3
6,4,port #,3,1
G.703/64k Interface settings 6,4, port #
Figure 68. Settings menu structure continued, G.703/64k & G.703/2M
G.703/2M Interface settings 6,4, port #
6,4,port #,3,1
NM = Noise margin At = Attenuation
Figure 69. Measurements menu structure
Figure 70. Statistics menu structure
8,2,3
Figure 71. Statistics menu structure continued
8,2,4
8,3,1
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
Port timing
DNT2Mi
This menu branch allows you to perform settings to a line
9.3.4 Line settings 6,3
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 76. Measured SHDSL symmetric PSD and mask 4-w, 2M or 2-w, 1M
Figure 75. Measured SHDSL symmetric PSD and mask 2-w, 2M
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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
103 113 114 104 115
CT103 timing by CT113, Line timing DNT2Mi
Tx Line SHDSL Rx
Timing
CT103 timing by CT113, Internal timing
DTE circuits 6,4, port #,3,3
DNT2Mi
CT103 timing by CT114, Internal timing
CTS use 6,4, port #,3,3,1
G.704/2M-type interface settings 6,4, port #,3
DCD use 6,4, port #,3,3,2
DSR & DTR use 6,4, port #,3,3,3
CRC monitoring only with the D2048-type adapters
BF 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
9.3.6 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
10.1 Dimensions
10 Technical specifications
Technical specifications
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Power consumption, depending on adapters and power supply used AC, DC
10.2 Power supply
AC power supply
DC power supply
10.4 Unit identification
10.3 Line interfaces
10.5.1 Environmental and mechanical requirements
10.5 Ambient conditions
Technical specifications
10.5.2 Electromagnetic compatibility
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Operating conditions
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
Setting
Table 26. Port settings Continued
Port
Port
Line
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Port
Port
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Glossary Abbreviations
Errored Seconds Ratio
Power
Terms