Meridian Link/Customer Controlled Routing, Installation And Upgrade Manual

Page: 568 / 595

550 Chapter 20: Ordering
553-3202-210 Standard October 1998
Component failure rates
Failure rates for basic Application Module components in terms of the
number of expected failures in one million hours of operation are listed in
Table 152 and the rates for basic IPE Module components are listed in
Table 153.
Table 152
Application Module projected component failure rates
Part
number
Component Failure rate
per million
hours
Mean
time
between
failures
NT7D18AA Application Equipment
Module 1.43 699,500
NT7D62AA Disk tape assembly 17.24 58,000
NT7D64AA AM power supply, ac 13.89 72,000
NT7D64DC AM power supply, dc 13.89 72,000
A0351919 MVME147 SBC card 11.98 83,500
A0600164 MVME167 SBC card 11.98 83,500
A0351167 MVME712AM transition
card with modem 11.98 83,500
A0352210 MVME333-2 XCC card 11.72 85,500
A0351166 MVME705B transition
card 16.67 60,000
A0376918 MVME332XTS ACC card 11.98 83,500
A0351356 TEAC MT-2ST/N50
cassette tape drive
- at 15 min per 8 hours
93.46
29.07 10,700
34,400