Difference between revisions of "MTBF figures"
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| 1023300010||Exigo Network Ceiling Loudspeaker, 10W, Ethernet, ELSIR-10C||750000 | | 1023300010||Exigo Network Ceiling Loudspeaker, 10W, Ethernet, ELSIR-10C||750000 | ||
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| − | | 1023000000||Exigo System Controller, ESC1|| | + | | 1023000000||Exigo System Controller, ESC1||452488 |
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| − | | | + | | 1023102200||Exigo Network Amplifier, 2x200W, ENA2200||364963 |
|- | |- | ||
| 1023200030||Exigo Call Panel, PTT Button, Pluggable Microphone, Ethernet, ECPIR-P||1400000 | | 1023200030||Exigo Call Panel, PTT Button, Pluggable Microphone, Ethernet, ECPIR-P||1400000 | ||
Revision as of 05:42, 10 September 2014
MTBF (Mean Time Between failures) figures try to give a measure of the reliability of a system. There are 2 ways in which MTBF figures can be obtained:
- Calculation. There are a number of different standards for the calculation of MTBF figures, of which MIL-HDBK-217 is probably the most widely used.
- Statistical information. MTBF figures can also be calculated form data gathered about failures in real installations. Of each electronic unit the number of hours in operation is reported at the moment of failure. When this is done over a sufficient large quantity of the same units a realistic ‘real life’ MTBF can be calculated. The MTBF of newly designed items can still be calculated this way by comparing them to existing items with a similar complexity.
Zenitel mainly uses statistical information, in line with common practise.
| Item number | Item | MTBF |
| 1008001000 | IP Desk/Wall Master Station, Display and Handset | 1300000 |
| 1008000000 | IP Desk/Wall Master Station, Display | 1300000 |
| 1008007000 | IP Dual Display Station | 1000000 |
| 1007034210 | Desk/Wall Master Station, Handset | 3000000 |
| 1007036210 | Desk/Wall Master Station | 3300000 |
| 1007034310 | Desk/Wall Master Station, Display and Handset | 2500000 |
| 1007036310 | Desk/Wall Master Station, Display | 2800000 |
| 1007072090 | Desk/Wall Master Station, Display and Handset | 2500000 |
| 1007071090 | Desk/Wall Master Station, Display | 2800000 |
| 1007007000 | Dual Display Station | 1500000 |
| 1008031000 | IP Flush Master, Display | 1300000 |
| 1008010100 | IP DAK-48 Unit | 2000000 |
| 1008097100 | Handset | 3500000 |
| 1007006101 | Control Room Master IV | 950000 |
| 1007006110 | DAK-48 Unit | 1500000 |
| 1007043000 | Console Master Station | 1740000 |
| 1008015000 | IP OR Master, Display | 1300000 |
| 1076036600 | OR Master | 1100000 |
| 1007036600 | OR Master, Display | 1100000 |
| 1007042000 | Wall Master Station, Display | 2500000 |
| 1007040000 | Wall Master Station, Standard | 3000000 |
| 1008041100 | IP Vandal Resistant Substation | 1400000 |
| 1008041150 | IP Vandal Resistant Substation Conformal Coated | 1400000 |
| 1008051000 | IP Vandal Resistant Substation, 3 gang backbox | 1400000 |
| 1007056100 | Vandal Resistant Substation | 2100000 |
| 1007056200 | Vandal Resistant Substation 2 button | 2100000 |
| 1070601010 | Tamper Resistant Substation | 2100000 |
| 1070601020 | Tamper Resistant Substation | 2100000 |
| 1007061000 | Tamper and Vandal Proof Station | 1500000 |
| 1007063000 | Tamper and Vandal Proof Station | 1500000 |
| 1007080000 | Light Industrial Master Station | 1800000 |
| 1007082000 | Noise Cancelling Industrial Master Station | 1800000 |
| 1007083000 | Heavy Duty Industrial Sub Station | 1800000 |
| 1007085000 | Heavy Duty Industrial Sub Station | 1800000 |
| 1007086000 | Heavy Duty Industrial Master Station | 1800000 |
| 1007110000 | Hot Line Station | 1540000 |
| 2213000100 | Heavy Duty Analogue Telephone | 6500000 |
| 2213000200 | Heavy Duty Analogue Telephone With Door | 6500000 |
| 2213000220 | Heavy Duty Analogue Hotline Telephone With Door | 6500000 |
| 1008072100 | IP Heavy Duty Telephone, Full Keyboard | 1200000 |
| 1008072200 | IP Heavy Duty Telephone, Door, Full Keyboard | 1200000 |
| 1008072120 | IP Heavy Duty Telephone, Hotline | 1300000 |
| 1008072220 | IP Heavy Duty Telephone, Door, Hotline | 1300000 |
| 1008093000 | IP Master Station Kit | 1400000 |
| 1008090200 | IP Substation Kit | 1500000 |
| 1008090250 | IP Substation Kit, Conformal Coated | 1500000 |
| 1008070000 | IP HotLine Station, Handset Only | 1300000 |
| 1000142500 | Master station kit for display station | 3000000 |
| A100C01425 | Master station kit for display station, PCB only | 3000000 |
| 1007102000 | Substation Kit | 3000000 |
| 1009601003 | AlphaCom XE1 | 620000 |
| 1009608000 | AlphaCom XE7 Package | 430000 |
| 1009608300 | AlphaCom XE7 with license for 12 IP stations | 620000 |
| 1009608100 | AlphaCom XE7 Package with 1 ASLT | 510000 |
| 1009608106 | AlphaCom XE7 with license for 6 IP stations and 1 ASLT | 510000 |
| 1009621000 | AlphaCom XE20 for 19" Rack Mounting | 430000 |
| 1009627000 | AlphaCom XE26 for 19" Rack Mounting | 430000 |
| 1009627001 | AlphaCom XE26 for 19" Rack Mounting | 1100000 |
| 1009627100 | AlphaCom XE26 Floor Cabinet | 430000 |
| 1009627200 | AlphaCom XE26 Floor Cabinet with Distribution Field | 430000 |
| 1009104000 | Subscriber Line Board, ATLB-12 | 800000 |
| 1009101010 | Subscriber Line Board, ASLT | 3000000 |
| 1009303001 | General Purpose Audio Interface, AGA | 10000000 |
| 1009202100 | Processor Board, AMC-IP - Version 11 | 1400000 |
| 1009971000 | InterGuard 60W Amplifier, 100V Line | 1100000 |
| 1009703000 | Power Supply, APWR - AC version | 1400000 |
| 1009970200 | Multi Relay Board, MRBD | 2000000 |
| 1009505000 | FBSAR, Filter Board and Speech Adapter with Relay | 3000000 |
| 1009301000 | Program & Clock Board, APC | 5500000 |
| 1009102000 | Subscriber Line Board, ATLB | 890000 |
| 1008095100 | Audio and Remote Input/Output unit, IPARIO | 900000 |
| 1008111010 | Turbine Compact IP Standard-1, TCIS-1 | 1400000 |
| 1008111020 | Turbine Compact IP Standard-2, TCIS-2 | 1400000 |
| 1008111030 | Turbine Compact IP Standard-3, TCIS-3 | 1400000 |
| 1008111040 | Turbine Compact IP Standard-4, TCIS-4 | 1350000 |
| 1008111050 | Turbine Compact IP Standard-5, TCIS-5 | 1300000 |
| 1008111060 | Turbine Compact IP Standard-6, TCIS-6 | 1400000 |
| 1008114010 | Turbine Compact Analog Standard-1, TCAS-1 | 2100000 |
| 1008114020 | Turbine Compact Analog Standard-2, TCAS-2 | 2100000 |
| 1008114030 | Turbine Compact Analog Standard-3, TCAS-3 | 2100000 |
| 1008131020 | VoIP Intercom Module, TKIS-2 | 1500000 |
| 3006100019 | Wall Double Faced Loudspeaker, 4W - W/Fuse, CAR-4TF | 1500000 |
| 3006100051 | Horn Loudspeaker, 8 ohm, 15W, HP-15 | 1500000 |
| 3006100088 | Horn Loudspeaker, 20 ohm, 15W, VML-1520 | 1500000 |
| 3006100090 | Hornspeaker, 15W, 100V line, IP-66, VML-15T/F | 1500000 |
| 1020600305 | Main station, Wall mounted W/O loudspeaker 26033 IP65, VMP-530 | 2000000 |
| 1020600315 | Main station, Wall mounted with loudspeaker, 26034 IP65, VMP-503 | 1800000 |
| 1023300010 | Exigo Network Ceiling Loudspeaker, 10W, Ethernet, ELSIR-10C | 750000 |
| 1023000000 | Exigo System Controller, ESC1 | 452488 |
| 1023102200 | Exigo Network Amplifier, 2x200W, ENA2200 | 364963 |
| 1023200030 | Exigo Call Panel, PTT Button, Pluggable Microphone, Ethernet, ECPIR-P | 1400000 |
| 1023253008 | Exigo Button Expansion Module, 8 Buttons, EBMDR-8 | 2100000 |