Mean time between failure Mtbf, Safety | Nokia DNT2Mi-fp specs

Technical specifications

Table 7. DNT2Mi-fp power supply (Continued)

Voltage	90 to 264 VAC

Frequency	47 to 65 Hz

DC power supply

Voltage

48V (40V to 70V)

Remote power supply

Voltage	50 to 150 V on both pairs as generated through ACL2i
	at central site

Start-up voltage	Min. 90 VDC

Table 8. Mean time between failure (MTBF)

DNT2Mi-fp

> 75 years

Electromagnetic compatibility (EMC) of DNT2Mi-fp complies with the following specifications:

Table 9.	Electromagnetic compatibility

EN 55022: 1998 Class B		Emission, Information technology equipment

EN 55024: 1988		Immunity, Terminal equipment

EN 300286: 2000		EMC, Telecommunications equipment

Table 10. Safety

Safety IEC 60950-1 and IEC 60950-21 RFT-C

•Protective earthing and Basic insulation

AC Power supply:

•Surge protection: 2.5kV according to ITU-T Rec. K.45

DC Power supply:

•Surge protection: 0.5kV according to EN61000–4–5

Line Interface:

•Surge protection: 1.5kV according to ITU-T Rec. K.45

•50 Hz common mode test according to ITU-T Rec. K.45

•600V RMS common mode according to ITU-T Rec. K.45

DN0445814	© Nokia Corporation	43 (60)
Issue 2-0 en	Nokia Proprietary and Confidential

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Nokia DNT2Mi-fp user manual Mean time between failure Mtbf, Electromagnetic compatibility, Safety, DC power supply

Contents

DNT2Mi-fp Data Network Terminal Product versions Product code Contents Page Product collection and disposal within the European Union Document Date CommentPage About this document Page PDHLocal Network Exchange Introduction to DNT2Mi-fpDNT2Mi-fp BTS Shdsl Alarm LED Power LEDFront view Page Wall mounting Rear panelFastener Line interface Power supplyPin modular jack, RJ-11 DSL Line Strapping instruction for Power Supply Selection of Power Supply option is done by strapping 48V DC Supply Remote Power Supply defaultExternal AC/DC converter Supply Removal instruction Remote power feed through line 48VDC 110/230 V AC Converter Earthing bar Mm2 wire 704/2M Pin modular jack Pin Data interface RJ-45 Terminal interfaceSymmetrical G.704/2M interface Page Management Use of signal 108 when using Mste Code Name Connector type Length DIP Switch LMI Interface type selection107 HiZ Tx b OUT 108 109 Tx a OUT 103 Rx b 104 Q1 management bus DIP-switchPage Commissioning Automatic power-up test Q1 address Q1 6,1,2 ManagementTiming source Q1 transmission speed Q1 6,1,1 Power backoff Q1 6,3,6 Line settingsLine interface Q1 6,3,3 Protection settings Port settings After the tests MeasurementsPage Getting general information MaintenanceS65692.01 A0 Serial number 4H0415 Code Severity Q1 message Monitoring alarmsDNT2Mi AS Line No incoming signal DNT2Mi-fp SB 1, Port TestingSB 2, Line Port Interface Line Q1 management Automatic controllPort Interface Line Interface DNT2Mi-fp statistics Checking measurements and statisticsMeasurements via Q1 Monitoring a line Information Abbreviation Description And/or ratio Statistics values via Q1System counters Q1 8,3 Line interface in accordance with ITU-T G.991.2 Technical specificationsDNT2Mi-fp dimensions Environmental and mechanical Data lead time Data interface = 3 to 32 192 kbit/ to 2048 kbit/s Data lead-time ACL2i to DNT2Mi-fp Power consumption DNT2Mi-fp power supplyPower supply external AC/DC converter Mean time between failure Mtbf SafetyDC power supply Remote power supplyPage Data interface settings E1 Factory settingsService settings Line interface settings Alarm limits General Fault displayIdentifications Controls Settings Measurements Statistics User priviliges Main Q1 menu structure Identifications menu 2,1 Controls menu 2,1 Settings menu structure Settings menu structure 3,1,4 3,1100 3,1,2 Give filling value 0 or 2,1..5 Measurements menu structure Statistics menu structure 3,1..2,0 10,4 DNT-fp privileges10,1 10,3