devolo dLAN® 200 AVpro Project Manual
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Where are the antenna distribution system and house amplifiers located
(basement or roof)? Are there any other more amplifiers?
How are TV programs currently supplied (satellite head-end, cable,
terrestrial antenna, multiswitch, etc.)?
Are other services provided (e.g. Pay TV, video-on-demand, minibar billing
system, etc.)? Who operates these? Are these to remain in place in future
or replaced (e.g. standard TV with IPTV)?
Are parts of the frequency range already assigned to other channels
(particularly between 2 and 30 MHz)?
How and where is the current connection to the Internet (DSL, cable,
DOCSIS, etc.)?
Missing or incomplete information may mean that you have to perform
time-consuming and expensive research yourself on-site [reverse
engineering]. The risk of encountering unexpected problems increases at
the same time and therefore extra costs. Bear this in mind when planning
the budget and calculating your estimate.
6.1.2 Survey site
What
is the real-life situation on-site like compared to the information you
gleaned in advance?
What are the room conditions like?
Does anything special need to be taken into consideration (e.g., fire
protection zones) or potential problems?
Performing a concrete test
Demonstrating functionality to the client
Survey site
The information gleaned on the building du
ring the questioning phase should now
be verified and amended during a site survey. The result of both investigations then
forms the basis for detailed planning and the proposal you will put forward to the
customer. The site survey also gives you the opportunity to perform some tests on
the connection quality, and demonstrate how dLAN networking functions to the
customer, based on the cable system in place.
Take the following equipment with you to survey the site:
Eq
uipment
Digital c
amera,
Make sure you take enough (rechargeable) batteries and storage cards with
you.
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