Main
Product code Product versions
T65670/80 DNT2Mi sp/mp, AC-powered DNT2Mi sp/mp, DC-powered DNT2Mi sp/mp, remote-powered
Contents
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4.1.1 Indicators and keys
4.1.2 Local management interface
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DNT2Mi, NMS/10
- - -
DNT2Mi
4.2 Rear panel
3.
4.
4.2.1 Terminal interfaces
G
Figure 9. DTE interface options
.7
D2048 (RJ45 + SMB)
EIA-530-A G.703/2M
Figure 10. DTE interface options (continued)
Ethernet
VF
18
LMI 10Base-T EC PWR EA EL WL CAS
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5.1 Electromagnetic compatibility
5.2 Grounding of DNT2Mi
5.3 Clearances around DNT2Mi
5.4 Work order
Then proceed according to the steps below:
5.5 Inserting DTE interface units
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5.6 Free-standing installation
5.7 Installing DNT2Mi on a wall or into a rack
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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:
WARNING
5.8 Connecting power supply
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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
5.9.3 Recommended actions after the installation
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6.1 Automatic power-up test
6.2 Management
6.3 Timing source
6.4 Line settings
6.5 Port settings
6.6 Time slot settings (Q1: 6,5)
6.7 Protection settings
6.8 Measurements
6.9 Default values
The following default values can be recalled, for example from the Q1 menu path 6,6:
Table 4. Explanation of noise margin Noise margin Bit error ratio
Table 3. Monitoring a line (Continued)
Table 5. Global parameters
Table 6. Line parameters
Table 5. Global parameters (Continued)
Table 7. Multiplexer parameters
Table 8. Port parameters, V-series (V.11, V.28, V.35 or EIA-530-A)
Table 9. Port parameters, X.21
Table 10. Port parameters, G.703/64k
Table 11. Port parameters, G.704/2M
6.10 Factory values
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7.1 Getting general information
7.2 Monitoring alarms
7.3 Testing
DNT2Mi tests can be controlled via the front panel or using Q1 menus.
Table 13. Alarms Alarm source
Q1 message Front panel message
Description
The following tests are available for testing a DNT2Mi terminal:
Table 14. Tests available for DNT2Mi Front panel
Q1 management
Automatic control
Note
Figure 28. Network test loop (all ports)
Table 14. Tests available for DNT2Mi (Continued) Front panel
Q1 management
Automatic control
Note
Figure 29. Local test loop in a port
Figure 30. Network test loop (single-port)
Figure 31. PRBS (29-1) test (transmitter/receiver)
7.4 Checking measurements and statistics
Line attenuation Line voltage (remote-powered) Attenuation can be 0 to 41 dB.
DNT statistics via the front panel or Q1
Number of CPU resets and the time passed since the last reset.
System counters via Q1
Table 15. Statistics values via Q1 Information Abbreviation and/or ratio
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Figure 34. Front panel functions
The following information is useful to know when working with the menus:
LED INDICATORS
INTERFACE SIGNALS
Multiport DNT2Mi
Single-port DNT2Mi
Display
8.1 Main menu levels
Figure 36. Front panel main menus
8.2 Configuring DNT2Mi
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8.2.1 Configuring a port
Figure 37. Configuring port 1 / V.xx type interfaces
Figure 38. Configuring port 2 and port 3 / V.xx type interfaces
Figure 39. Configuring ports / X.21 interfaces
Figure 40. Configuring ports / G.703/64k interfaces
Figure 41. Configuring ports / G.703 interfaces
Figure 42. Configuring ports / G.704 interfaces
...
Figure 43. Configuring ports / VF interfaces
Ports 2 and 3 in multiport version only
1) 1) Scale (0.5 dBm resolution): -22.0 dBm to -7.0 dBm (2-wire) -22.0 dBm to -7.0 dBm (4-wire)
8.2.2 Configuring a line
Figure 44. Front panel menus for line settings
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
8.3 Testing DNT2Mi
8.3.1 Testing a port
Figure 48. Front panel menus for testing a line
Figure 47. Front panel menus for testing a port
8.3.2 Testing a line
8.3.3 Testing the equipment
Figure 49. Front panel menus for testing the equipment
8.4 Monitoring DNT2Mi
8.4.1 Monitoring a port
Figure 50. Front panel menus for monitoring a port
8.4.2 Monitoring a line
Figure 51. Front panel menus for monitoring a line
8.4.3 Monitoring alarms
Figure 52. Front panel menus for monitoring alarms
8.4.4 Monitoring equipment information
Figure 53. Front panel menus for monitoring equipment information
Figure 54. Front panel menus for self testing
8.4.5 Self testing
Self test results
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9.1 General
Figure 55. Main Q1 menu structure
Figure 56. Identifications menu
Figure 57. Identifications menu (continued)
Figure 58. Controls menu
Figure 59. Settings menu structure
Figure 60. Settings menu structure (continued)
Figure 61. Settings menu structure (continued)
Figure 62. Settings menu structure (continued)
Figure 63. Settings menu structure (continued)
Figure 64. Settings menu structure (continued)
Figure 65. Settings menu structure (continued), G.704/2M & D2048 adapters
Figure 66. Settings menu structure (continued), V-type adapters
DN01145897 Nokia Corporation 89 (128)
Figure 67. Settings menu structure (continued), X- and VF-type adapters
Figure 68. Settings menu structure (continued), G.703/64k & G.703/2M
Figure 69. Measurements menu structure
NM = Noise margin At = Attenuation
Figure 70. Statistics menu structure
Figure 71. Statistics menu structure (continued)
Figure 72. Privileges menu structure
9.2 DNT controls (5)
9.3 DNT settings (6)
9.3.1 Display (6,0)
9.3.2 Service options (6,1)
The speed must be selected according to the speed used in the management network.
9.3.3 Timing source (6,2)
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9.3.4 Line settings (6,3)
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m
kbit/s
0.4mm cable, no noise, BER < 1E-7
9.3.5 Port settings (6,4, port #)
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Figure 80. Time slot mapping example, TS0 locally terminated
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9.3.6 Time slot use (6,5)
9.3.7 Default settings (6,6)
9.3.8 Factory settings (6,7)
9.4 Statistics (8)
9.5 User privileges (10)
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10.1 Dimensions
Table 17. DNT2Mi multiport dimensions
Table 18. DNT2Mi single-port dimensions
10.2 Power supply
Table 19. DNT2Mi power supply
10.3 Line interfaces
10.4 Unit identification
10.5 Ambient conditions
10.5.1 Environmental and mechanical requirements
Technical specifications
Figure 82. DNT2Mi climatogram
10.5.2 Electromagnetic compatibility
The electromagnetic compatibility (EMC) of DNT2Mi comply with the following specifications:
Air temp. C
Absolute humidity g/m3
Relative humidity %
10.5.3 Safety and protection
Concerning protection and safety, DNT2Mi follows the requirements and specifications listed below:
Table 23. EMC requirements
Table 24. DNT2Mi safety and protection
Appendix A. A.1 Commissioning chart
Table 25. General settings Setting Setting
Table 26. Port settings Setting Port 1 Port 2 Port 3
Table 27. BER test results
Table 28. Line measurements
Table 26. Port settings (Continued) Setting Port 1 Port 2 Port 3
Table 29. Statistics
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Glossary Abbreviations
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Terms