TTUHSC IT Policies
5. TECHNOLOGY REPLACEMENT SCHEDULE
Technology use at TTUHSC has increased greatly over the years. What was once considered
large one-time capital acquisitions where agencies expected to see value from these
I.T. purchases over a long period of time is now a recurring operational expense that
must be incorporated into the annual Institutional budget.
A PC life cycle illustrates the useful life of a computer from its initial acquisition
to its ultimate disposition and should be based on end-user needs, technology changes,
as well as the cost to support technology. In an effort to address these issues,
the State of Texas has identified what a reasonable PC life cycle should be for state
agencies and institutions of higher education.
Based on the Department of Information Resources (DIR) guidelines, the recommended
Institutional technology replacement/refresh cycle is set at 4 to 5 years for desktop
computers and 2 to 3 years for laptops. This guideline is the recommended standard
for all TTUHSC facilities. Functional needs and/or resource availability can result
in a shorter or longer replacement cycle at the operational level. However, regardless
of the length of the cycle, departments should avoid fragmenting their users’ base
between different operating systems and application versions.
The effective life cycle for data center servers and storage area network equipment
is 5 years.
The effective life cycle of videoconferencing equipment and systems is somewhat different
than for PCs and application software. Earlier models continue to have operational
value for longer periods than PCs and software because audio and video communication
standards are well established and major change occurs less frequently. For these
reasons, videoconferencing hardware and software installed in multi-media teaching
podiums and similar devices maintained and operated by the TTUHSC Information Technology
Division will be replaced when one or more of the following conditions exist:
- Required to meet approved user requests for new or enhanced functionality
- Required due to limited functionality (does not provide the range of features or functions
generally accepted to be the standard at the time of replacement)
- Required due to obsolescence (unable to meet approved new or stricter performance
standards for audio and video signal quality)
- No longer logistically supportable
The exception is that PCs and application software installed in multi-media teaching
podiums will be replaced according to the technology replacement schedule and policy
outlined above for those items.