HP Vectra 520 Installationsanleitung PDF herunterladen (Seite 33)

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101

1-6 Introduction

553-4001-111 Standard 1.0 March 1997

Mean Time Between Failures

The Mean Time Between Failures (MTBF) value calculated for a 16-port

Meridian MAX Application Module is 10 500 hours at 40°C (104°F).

Table 1-2 lists the major components of the Meridian MAX Application

Module and their MTBF values.

Table 1-2

Mean Time Between Failures (MTBF) for Meridian MAX Application

Module (at 40°C)

Hardware MTBF (hours)

Motorola MVME167 single board computer (SNN only)

Motorola MVME177 single board computer (SNN-E only)

83 500

> 83 500

Motorola MVME712M transition board 300 000

Motorola MVME332XTS Intelligent Serial Interface card 83 500

Motorola MVME332XT Intelligent Serial Interface card 83 500

Farnell NF350 (AC) power supply 72 000

Farnell ND300 (DC) power supply 72 000

Motorola MVME867B Seagate ST31230N 1 Gbyte hard

disk drive (SNN only)

800 000

Motorola MVME867 Seagate ST11200N 1 Gbyte hard

disk drive (SNN only)

200 000

Motorola MVME868KA-002 Seagate ST32430N

2 Gbyte hard disk drive (SNN-E only)

800 000

Motorola MVME868KB-002 Seagate ST32171N 2 Gbyte

hard disk drive (SNN-E only)

800 000

Motorola NTAM-TK600 TEAC MT-2ST/F50B-000 600

Mbyte cassette drive (at 15 minutes per 8-hour period)

75 000

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 502 503

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