Manuale d’uso / di manutenzione del prodotto DNT2Mi sp/mp del fabbricante Nokia
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DNT2Mi sp/mp User Manual C33975.85--B0 DN01145897 © Nokia Cor poration 1 (128) Issue 2-0 en Nokia Proprietary and Confidential Data Network Terminal Single-port and Multiport Operating Instructions.
Data Network Terminal Single-port and Multiport Operating Instructions 2 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en The information in this documentation is subject to change without notice and describes only the product defined in the introduction of this documentation.
DN01145897 © Nokia Cor poration 3 (128) Issue 2-0 en Nokia Proprietary and Confidential Contents Contents 3 Summary of changes 7 1 About this document 9 2 Introduction to DNT2Mi 11 3 Applications 13 4 Construction and interfaces 15 4.1 Front panel 15 4.
Data Network Terminal Single-port and Multiport Operating Instructions 4 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en 6.10 Factory values 47 7 Maintaining DNT2Mi 49 7.1 Getting general information 49 7.2 Monitoring alarms 50 7.
DN01145897 © Nokia Cor poration 5 (128) Issue 2-0 en Nokia Proprietary and Confidential Appendix A. 121 A.1 Commissioning chart 121 Glossary 125.
Data Network Terminal Single-port and Multiport Operating Instructions 6 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en.
DN01145897 © Nokia Cor poration 7 (128) Issue 2-0 en Nokia Proprietary and Confidential Summary of changes Document Date Comment DN01145897 Issue 1–0 en 19 April 2002 DN01145897 Issue 2–0 en 27 March 2003 Inf or mation on two new D2048 interf ace units (E62628.
Data Network Terminal Single-port and Multiport Operating Instructions 8 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en.
About this document DN01145897 © Nokia Cor poration 9 (128) Issue 2-0 en Nokia Proprietary and Confidential 1 About this document These operating instructions introduce the DNT2Mi Data Network Terminal and provide information needed for its installation and use.
Data Network Terminal Single-port and Multiport Operating Instructions 10 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en.
Introduction to DNT2Mi DN01145897 © Nokia Cor poration 11 (128) Issue 2-0 en Nokia Proprietary and Confidential 2 Introduction to DNT2Mi Figure 1. Single-port (above) and multiport (below) DNT2Mi terminals Nokia DNT2Mi is a single- or multiport (sp/mp) data access network terminal intended for customer premises.
Data Network Terminal Single-port and Multiport Operating Instructions 12 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en • G.
Applications DN01145897 © Nokia Cor poration 13 (128) Issue 2-0 en Nokia Proprietary and Confidential 3 Applications The DNT2Mi Data Network Terminal can be used for Local Area Network (LAN) and Private Automatic Branch Exchange (PABX) connections (see Figure 2).
Data Network Terminal Single-port and Multiport Operating Instructions 14 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 3. DNT2Mi used in a point-to-point application 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.
Construction and interfaces DN01145897 © Nokia Cor poration 15 (128) Issue 2-0 en Nokia Proprietary and Confidential 4 Construction and interfaces This chapter introduces the mechanical construction and interfaces of DNT2Mi.
Data Network Terminal Single-port and Multiport Operating Instructions 16 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en 4.
Construction and interfaces DN01145897 © Nokia Cor poration 17 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 5. Local management connector OK EXIT DTR DSR DCD RTS CTS STATUS PWR TEST P1 P2 P3 18 Local management connector (RJ-45) 1. 107 (OUT) Tx b (OUT) 2.
Data Network Terminal Single-port and Multiport Operating Instructions 18 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Several DNT2Mi units can be connected to the same Q1 bus of V.11-type via a local management interface.
Construction and interfaces DN01145897 © Nokia Cor poration 19 (128) Issue 2-0 en Nokia Proprietary and Confidential 4.2 Rear panel Figure 7. Rear panels of the DNT2Mi units 1. a 3. 1. b Line 2. 2. 2. G.704 V.11 X.21 4. RPWR 2. 1. a 3. Line 4. RPWR 1.
Data Network Terminal Single-port and Multiport Operating Instructions 20 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 8. Line interface connector 4.2.1 Terminal interfaces This section briefly introduces the DTE interface unit options.
Construction and interfaces DN01145897 © Nokia Cor poration 21 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 9. DTE interface options G .7 04/2M V .11 X.21 G.703/64k V.28 V.35 EIA-530-A G.703/2M 1 6 9 RT 43 2 7 8 C 5 51 6 9 43 2 7 8 1 1 1 9 8 1 G.
Data Network Terminal Single-port and Multiport Operating Instructions 22 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 10. DTE interface options (continued) The interface type is selected by installing an appropriate interface unit.
Installing DNT2Mi DN01145897 © Nokia Cor poration 23 (128) Issue 2-0 en Nokia Proprietary and Confidential 5 Installing DNT2Mi This chapter provides instructions on how to mechanically install and connect DNT2Mi. The menu settings required for bringing the unit into use can be found in Chapter 6.
Data Network Terminal Single-port and Multiport Operating Instructions 24 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Caution 5.3 Clearances around DNT2Mi When installing DNT2Mi on a wall or freely on a horizontal level, you must ensure that there is an adequate space for connecting cables.
Installing DNT2Mi DN01145897 © Nokia Cor poration 25 (128) Issue 2-0 en Nokia Proprietary and Confidential Caution 5.4 Work order First examine the unit and make sure that it has not been damaged during transportation. Also, check that you have the cables needed for connections (mains cable, DTE cable, line cable).
Data Network Terminal Single-port and Multiport Operating Instructions 26 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Caution To insert DTE interface units: 1.
Installing DNT2Mi DN01145897 © Nokia Cor poration 27 (128) Issue 2-0 en Nokia Proprietary and Confidential Note Caution Note 5.6 Free-standing installation A free-standing installation of DNT2Mi is allowed only if permitted by the local electric safety regulations! To install DNT2Mi free-standing: 1.
Data Network Terminal Single-port and Multiport Operating Instructions 28 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 13. Installation of DNT2Mi on a wall To install DNT2Mi on a wall: 1. Position the mounting bar onto DNT2Mi.
Installing DNT2Mi DN01145897 © Nokia Cor poration 29 (128) Issue 2-0 en Nokia Proprietary and Confidential 2. Fasten the mounting bar into the opening in the bottom of DNT2Mi with the screw included. Use a Phillips screwdriver. 3. Mark fixing points on the wall for two screws using the wall-mounting bracket as schema (Figure 14).
Data Network Terminal Single-port and Multiport Operating Instructions 30 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en 5. Fasten the wall-mounting bracket on the wall. • Position the bracket on the wall and fasten it by screwing the included wall screws into the drilling holes.
Installing DNT2Mi DN01145897 © Nokia Cor poration 31 (128) Issue 2-0 en Nokia Proprietary and Confidential To install a modem shelf into a 19-inch rack: 1. Insert the modem shelf into the 19-inch rack. • Align the fixing holes of the modem shelf with the fixing holes in the rack.
Data Network Terminal Single-port and Multiport Operating Instructions 32 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en To install DNT2Mi in a modem shelf: 1. Insert DNT2Mi into a free slot in the shelf. • Push until the unit locks into the stopper at the end of the slot rail.
Installing DNT2Mi DN01145897 © Nokia Cor poration 33 (128) Issue 2-0 en Nokia Proprietary and Confidential 5.7.5 Uninstalling DNT2Mi from a modem shelf To uninstall DNT2Mi from a modem shelf: 1. Switch off the power. 2. Disconnect the cabling. 3. Loosen the thumb screws of the locking bar.
Data Network Terminal Single-port and Multiport Operating Instructions 34 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en WARNING Note 5.8 Connecting power supply This section specifies the requirements for the mains power supply of the site.
Installing DNT2Mi DN01145897 © Nokia Cor poration 35 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 20. Principle of a negative-grounded DC power system Figure 21. Principle of a positive-grounded DC power system -48V system Earthing bar + bar + - Fuse 2 A max.
Data Network Terminal Single-port and Multiport Operating Instructions 36 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Note Figure 22.
Installing DNT2Mi DN01145897 © Nokia Cor poration 37 (128) Issue 2-0 en Nokia Proprietary and Confidential Note 5.8.1 Troubleshooting Remote-powered DNT2Mi If there is a backlight but no menu on the display of DNT2Mi, the line is too long, or there is a line break on one of the pairs.
Data Network Terminal Single-port and Multiport Operating Instructions 38 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Caution 5.9 Completing the installation 5.9.1 Verifying the installation To verify that you have installed DNT2Mi correctly: 1.
Commissioning DNT2Mi DN01145897 © Nokia Cor poration 39 (128) Issue 2-0 en Nokia Proprietary and Confidential Note 6 Commissioning DNT2Mi This chapter describes the most common items that need to be checked before DNT2Mi is taken into use.
Data Network Terminal Single-port and Multiport Operating Instructions 40 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Note After the automatic power-up test, the display indicates possible errors found during the test.
Commissioning DNT2Mi DN01145897 © Nokia Cor poration 41 (128) Issue 2-0 en Nokia Proprietary and Confidential 6.3 Timing source Before connecting DNT2Mi to a network, you need to know how the network is timed. DNT2Mi can receive timing information through the line and port interfaces.
Data Network Terminal Single-port and Multiport Operating Instructions 42 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Note Note Port settings (Q1: 6,4, port#,3) Different adapters include different configurable parameters.
Commissioning DNT2Mi DN01145897 © Nokia Cor poration 43 (128) Issue 2-0 en Nokia Proprietary and Confidential Note 6.8 Measurements After all the settings have been checked, we recommend that you carry out a line quality and a BER test. Before starting the BER test, reset all statistics and error counters.
Data Network Terminal Single-port and Multiport Operating Instructions 44 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en 6.
Commissioning DNT2Mi DN01145897 © Nokia Cor poration 45 (128) Issue 2-0 en Nokia Proprietary and Confidential Use of front panel ke ys In use Q1 rate *) 4800 bit/s *) = Recalling the def ault values does not change the v alues set f or the Q1 management parameters.
Data Network Terminal Single-port and Multiport Operating Instructions 46 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en T able 9.
Commissioning DNT2Mi DN01145897 © Nokia Cor poration 47 (128) Issue 2-0 en Nokia Proprietary and Confidential Note 6.10 Factory values Recalling the default values does not affect the following settings that are considered as factory settings. When the factory settings are recalled, the values in this section and in Section 6.
Data Network Terminal Single-port and Multiport Operating Instructions 48 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en.
Maintaining DNT2Mi DN01145897 © Nokia Cor poration 49 (128) Issue 2-0 en Nokia Proprietary and Confidential 7 Maintaining DNT2Mi This chapter describes what general information and statistics you can get on the equipment to be monitored. It also deals with possible alarms and faults.
Data Network Terminal Single-port and Multiport Operating Instructions 50 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en 7.2 Monitoring alarms The Fault display (see Figure 27) gives error information concerning the unit chosen.
Maintaining DNT2Mi DN01145897 © Nokia Cor poration 51 (128) Issue 2-0 en Nokia Proprietary and Confidential 7.3 Testing DNT2Mi tests can be controlled via the front panel or using Q1 menus.
Data Network Terminal Single-port and Multiport Operating Instructions 52 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en The following tests are available for testing a DNT2Mi terminal: T able 14.
Maintaining DNT2Mi DN01145897 © Nokia Cor poration 53 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 28. Network test loop (all ports) PRBS tests ITU-T V .
Data Network Terminal Single-port and Multiport Operating Instructions 54 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 29. Local test loop in a port Figure 30. Network test loop (single-port) Figure 31.
Maintaining DNT2Mi DN01145897 © Nokia Cor poration 55 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 32. Remotely controlled network test loop Figure 33.
Data Network Terminal Single-port and Multiport Operating Instructions 56 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en • Line attenuation • Line voltage (remote-powered) Attenuation can be 0 to 41 dB.
Using front panel menus DN01145897 © Nokia Cor poration 57 (128) Issue 2-0 en Nokia Proprietary and Confidential 8 Using front panel menus This chapter describes the front panel menus and how to navigate between them using the front panel keys.
Data Network Terminal Single-port and Multiport Operating Instructions 58 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 34.
Using front panel menus DN01145897 © Nokia Cor poration 59 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 35. Front panel actions The menu structure is presented in full detail on the following sections. If L2: 1024 is shown on the left side of the display, it indicates that the lines are cross-connected.
Data Network Terminal Single-port and Multiport Operating Instructions 60 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en 8.
Using front panel menus DN01145897 © Nokia Cor poration 61 (128) Issue 2-0 en Nokia Proprietary and Confidential Note Note Note The modem automatically detects the port adapter type in use and shows the corresponding configuration parameters under the Configure: Port menu option.
Data Network Terminal Single-port and Multiport Operating Instructions 62 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en 8.
Using front panel menus DN01145897 © Nokia Cor poration 63 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 38. Configuring port 2 and port 3 / V.
Data Network Terminal Single-port and Multiport Operating Instructions 64 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 39.
Using front panel menus DN01145897 © Nokia Cor poration 65 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 40. Configuring ports / G.703/64k interfaces Figure 41.
Data Network Terminal Single-port and Multiport Operating Instructions 66 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 42. Configuring ports / G.704 interfaces BER alarm sever. No alarm BER alarm sever.
Using front panel menus DN01145897 © Nokia Cor poration 67 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 43. Configuring ports / VF interfaces Configure Port 1 Configure Port 2 Configure Port 3 Ports 2 and 3 in multiport version only Input level -22.
Data Network Terminal Single-port and Multiport Operating Instructions 68 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en 8.2.2 Configuring a line Figure 44. Front panel menus for line settings A-level BER alarm sever.
Using front panel menus DN01145897 © Nokia Cor poration 69 (128) Issue 2-0 en Nokia Proprietary and Confidential 8.2.3 Configuring common settings Figure 45. Front panel menus for common settings Timing source Internal Mng speed 4800 bits/s * ... ...
Data Network Terminal Single-port and Multiport Operating Instructions 70 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en 8.
Using front panel menus DN01145897 © Nokia Cor poration 71 (128) Issue 2-0 en Nokia Proprietary and Confidential 8.3 Testing DNT2Mi 8.3.1 Testing a port Figure 47. Front panel menus for testing a port 8.3.2 Testing a line Figure 48. Front panel menus for testing a line OK EX OK EX OK EX .
Data Network Terminal Single-port and Multiport Operating Instructions 72 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en 8.
Using front panel menus DN01145897 © Nokia Cor poration 73 (128) Issue 2-0 en Nokia Proprietary and Confidential 8.4 Monitoring DNT2Mi 8.4.1 Monitoring a port Figure 50. Front panel menus for monitoring a port OK EX OK EX OK EX ... ... Port 1 00 00 00 00 00 00 Monitor Port 1 P1 signal qual.
Data Network Terminal Single-port and Multiport Operating Instructions 74 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en 8.
Using front panel menus DN01145897 © Nokia Cor poration 75 (128) Issue 2-0 en Nokia Proprietary and Confidential 8.4.3 Monitoring alarms Figure 52. Front panel menus for monitoring alarms Port # No incoming sig.
Data Network Terminal Single-port and Multiport Operating Instructions 76 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en 8.4.4 Monitoring equipment information Figure 53. Front panel menus for monitoring equipment information 8.
Using Q1 menus DN01145897 © Nokia Cor poration 77 (128) Issue 2-0 en Nokia Proprietary and Confidential 9 Using Q1 menus 9.1 General The Q1 main menu level contains the following 11 menus, of which those available in DNT2Mi are typed in boldface in the list below: 1.
Data Network Terminal Single-port and Multiport Operating Instructions 78 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 55.
Using Q1 menus DN01145897 © Nokia Cor poration 79 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 56. Identifications menu DNT Identifications: 0 Display 1 Eq type 2 Eq name 5 HW units 6 SW versions 7 Modify 4 4,0 Identifications Equipment name: DNT2Mi Equipment type: DNT2Mi mp (T65680) HW: Main E65671.
Data Network Terminal Single-port and Multiport Operating Instructions 80 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 57.
Using Q1 menus DN01145897 © Nokia Cor poration 81 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 58. Controls menu Port test loops: Give port number 1,2 or 3 5 5,2 5,2, port # 5,4 DNT c.
Data Network Terminal Single-port and Multiport Operating Instructions 82 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 59.
Using Q1 menus DN01145897 © Nokia Cor poration 83 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 60. Settings menu structure (continued) 6,3 6,4 6,5 6,6 6,7 Test time out limit: 0 Display 1 to 64999 min 65000 no limit 6,1,4 Q1 Management path: 0 Display 1 Q1 via Line 2 LM interface 6,1,3 6,1,3,2,3 Interface type: 0 Display 1 V.
Data Network Terminal Single-port and Multiport Operating Instructions 84 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 61.
Using Q1 menus DN01145897 © Nokia Cor poration 85 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 62. Settings menu structure (continued) 6,4 6,5 6,6 6,7 6,3,9 BER alarm severity: 0 Disp.
Data Network Terminal Single-port and Multiport Operating Instructions 86 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 63. Settings menu structure (continued) 6,6 Default settings: 1 Port1 2 Port2 3 Port3 4 Line 9 All 6,5,1 Give TS(s): (e.
Using Q1 menus DN01145897 © Nokia Cor poration 87 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 64. Settings menu structure (continued) Port settings: 0 Display 2 RL control 3 DTE if parameters 4 V.110 rates 5 DTE if alarms 6 Connection name RL control: 0 Display 1 Allowed 2 Not allowed V.
Data Network Terminal Single-port and Multiport Operating Instructions 88 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 65. Settings menu structure (continued), G.704/2M & D2048 adapters 6,4,Port#,3 Idle channels: 0 Display 1 Modify code 6,4,port #,3,1 6,4,port #,3,5 G.
Using Q1 menus DN01145897 © Nokia Cor poration 89 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 66. Settings menu structure (continued), V-type adapters 6,4,port#,3 CT141 use: 0 Displa.
Data Network Terminal Single-port and Multiport Operating Instructions 90 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 67.
Using Q1 menus DN01145897 © Nokia Cor poration 91 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 68. Settings menu structure (continued), G.703/64k & G.703/2M AIS mode: 0 Display 1 Octet timing enabled 2 Octet timing disabled Interface mode: 0 Display 1 Codirectional 2 Contradirectional 6,4,port #,3,1 6,4,port #,3,2 G.
Data Network Terminal Single-port and Multiport Operating Instructions 92 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 69.
Using Q1 menus DN01145897 © Nokia Cor poration 93 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 70. Statistics menu structure xx xx xx xx xx xx xx Port stat absolute: 1 15min periods 2.
Data Network Terminal Single-port and Multiport Operating Instructions 94 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 71.
Using Q1 menus DN01145897 © Nokia Cor poration 95 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 72. Privileges menu structure DNT privileges: 1 Password 4 Setting parameters 5 Front panel rights Give password 1.
Data Network Terminal Single-port and Multiport Operating Instructions 96 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Caution 9.2 DNT controls (5) The DNT controls menu (see Figure 58) contains all possible tests to be activated in DNT2Mi via the Q1 management.
Using Q1 menus DN01145897 © Nokia Cor poration 97 (128) Issue 2-0 en Nokia Proprietary and Confidential 9.3.2 Service options (6,1) The Service options menu provides also the network manager with three Q1- specific configurable service options, that is, speed used on the management connection, Q1 address, and management path.
Data Network Terminal Single-port and Multiport Operating Instructions 98 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Q1 address (6,1,2) The Q1 address must be selected before DNT2Mi can be accessed using management.
Using Q1 menus DN01145897 © Nokia Cor poration 99 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 73. Timing source alternatives Line SHDSL 114 115 113 Timing DTE DNT2Mi 114 115 113 Timi.
Data Network Terminal Single-port and Multiport Operating Instructions 100 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en 9.
Using Q1 menus DN01145897 © Nokia Cor poration 101 (128) Issue 2-0 en Nokia Proprietary and Confidential • STU-C (6,3,3,1) This option defines the unit as a SHDSL Termination Unit (STU) Central office. It also sets the bit rate in the line as Fixed .
Data Network Terminal Single-port and Multiport Operating Instructions 102 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 75.
Using Q1 menus DN01145897 © Nokia Cor poration 103 (128) Issue 2-0 en Nokia Proprietary and Confidential • Give line rate (6,3,3,1,2,n; 6,3,3,1,4,n) This setting defines the maximum achievable bit rate in the line only if the STU-C option is taken into use.
Data Network Terminal Single-port and Multiport Operating Instructions 104 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 77.
Using Q1 menus DN01145897 © Nokia Cor poration 105 (128) Issue 2-0 en Nokia Proprietary and Confidential • Cable impulse noise level Impulse noise in a cable can be caused, for example, by a telephone's pulse dialling signals and exchanges based on relay technique.
Data Network Terminal Single-port and Multiport Operating Instructions 106 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en This setting can allow the port to react to a RL request (ITU-T V.54) incoming from the line or prevent this to happen.
Using Q1 menus DN01145897 © Nokia Cor poration 107 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 78. CT103 timing alternatives, line timing Line SHDSL 114 115 113 Timing DTE DNT2Mi CT103 timing by CT114, Line timing 104 V.xx PLL PLL PLL Tx Rx 103 Line SHDSL 114 115 Timing DTE DNT2Mi 104 V.
Data Network Terminal Single-port and Multiport Operating Instructions 108 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 79.
Using Q1 menus DN01145897 © Nokia Cor poration 109 (128) Issue 2-0 en Nokia Proprietary and Confidential - CTS use ( 6,4, port #,3,3,1 ) The suboptions of the menu allow you to: • display the curre.
Data Network Terminal Single-port and Multiport Operating Instructions 110 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Note - BF monitoring (only with the D2048-type adapters) - CRC monitoring (only with the D2048-type adapters).
Using Q1 menus DN01145897 © Nokia Cor poration 111 (128) Issue 2-0 en Nokia Proprietary and Confidential • BER alarm limit (6,4, port #,3,7) The bit error rate (BER) alarm limit of the G.704/2M port can be checked and changed using this menu. The BER alarm limit can be either 10 -3 (E- 3) or 10 -6 (E-6).
Data Network Terminal Single-port and Multiport Operating Instructions 112 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en 9.3.6 Time slot use (6,5) The mapping of time slots can be viewed and configured via this menu (see Figure 63).
Using Q1 menus DN01145897 © Nokia Cor poration 113 (128) Issue 2-0 en Nokia Proprietary and Confidential 9.4 Statistics (8) This menu provides information on port, line, and system statistics. Port statistics (8,1) The Port statistics submenu (see Figure 70) allows you first to choose the number of the port.
Data Network Terminal Single-port and Multiport Operating Instructions 114 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en • You can clear all statistic parameters. 9.5 User privileges (10) This menu allows you to give a new password (see Figure 72).
Technical specifications DN01145897 © Nokia Cor poration 115 (128) Issue 2-0 en Nokia Proprietary and Confidential 10 Technical specifications 10.1 Dimensions T able 17. DNT2Mi m ultipor t dimensions Width 293.5 mm Height 91.4 mm Depth 236.8 mm W eight 2.
Data Network Terminal Single-port and Multiport Operating Instructions 116 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en 10.2 Power supply T able 19. DNT2Mi po wer supply P ower consumption, depending on adapters and power suppl y used (A C, DC, RP) DNT2Mi multipor t 5 – 15.
Technical specifications DN01145897 © Nokia Cor poration 117 (128) Issue 2-0 en Nokia Proprietary and Confidential 10.3 Line interfaces DTE interfaces Supported interchangeable DTE interface types: • V.11 • V.28 • V.35 • X.21 • G.703/64k • D2048 • ET interface • G.
Data Network Terminal Single-port and Multiport Operating Instructions 118 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Figure 81.
Technical specifications DN01145897 © Nokia Cor poration 119 (128) Issue 2-0 en Nokia Proprietary and Confidential Figure 82. DNT2Mi climatogram 10.5.
Data Network Terminal Single-port and Multiport Operating Instructions 120 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Note The conditions listed in Section 5.
DN01145897 © Nokia Cor poration 121 (128) Issue 2-0 en Nokia Proprietary and Confidential Note Appendix A. A.1 Commissioning chart You can use this appendix to mark down results of the commissioning procedure (refer to Chapter 6).
Data Network Terminal Single-port and Multiport Operating Instructions 122 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en R TS & CTS DCD DSR& DTR 140 / RL req 141 / LL req Circuit C Circuit I AIS mode Interf ace mode CRC-4 Unused TS fill TS 0 fill BER alarm limit BER alarm sev T able 27.
DN01145897 © Nokia Cor poration 123 (128) Issue 2-0 en Nokia Proprietary and Confidential T able 29. Statistics CPU reset count Line P or t 1 *) Port 2 *) Port 3 *) U A T rx SES rx ES rx BBE rx U A T tx ES tx SES tx *) only with G.
Data Network Terminal Single-port and Multiport Operating Instructions 124 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en.
DN01145897 © Nokia Cor poration 125 (128) Issue 2-0 en Nokia Proprietary and Confidential Glossary Abbreviations 2M 2 Mbit/s AC Alternating Current AIS Alarm Indication Signal BBE Background Block Er.
Data Network Terminal Single-port and Multiport Operating Instructions 126 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en ESR Errored Seconds Ratio ES Errored S.
DN01145897 © Nokia Cor poration 127 (128) Issue 2-0 en Nokia Proprietary and Confidential PWR Power RL Remote Loop RLTR Remote Loop pseudo random bit sequence 2 9 − 1 test RTS Request To Send Rx Re.
Data Network Terminal Single-port and Multiport Operating Instructions 128 (128) © Nokia Cor poration DN01145897 Nokia Proprietary and Confidential Issue 2-0 en Terms Data network termi- nal A piece of equipment which is used for data transmission over the subscriber loop, providing access to the trunk network.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Nokia DNT2Mi sp/mp è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Nokia DNT2Mi sp/mp - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Nokia DNT2Mi sp/mp imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Nokia DNT2Mi sp/mp ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Nokia DNT2Mi sp/mp, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Nokia DNT2Mi sp/mp.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Nokia DNT2Mi sp/mp. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Nokia DNT2Mi sp/mp insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
