Before Starting The Site Survey - Samsung Office DECT 8000 Installation And Programming Manual

Before Starting the Site Survey

Information Required Information Required
Information Required Information Required
Obtain a map of the site.
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Note the general construction materials used in walls and doors of the building(s), including
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window coating and covering, if any. Also note any large metal objects such as equipment,
doors, and fluorescent lamp shades. In general, radio frequency (RF) signals are attenuated to
some degree when passing though materials. Some materials, such as metal, attenuate RF
signals to a higher degree. (See Table 2, above.)
the number of handset users and which are the high traffic areas, such as conference
! Define
rooms, cafeterias, and manufacturing departments.
Check which positions allow and prohibit DBS installation.
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! Determine the required coverage areas, such as elevators, stairwells, toilets, outdoor areas etc.
! Establish the position of the DECT system and available cabling.
Coverage Estimation Coverage Estimation Coverage Estimation Coverage Estimation
The available "link budget" of the Samsung DCS system is 40dB. The DCS system guarantees
good communication quality and allows the user to move around if the "path loss" and "insertion
loss" are less than the "link budget".
Insertion loss: Signal attenuation caused by obstacles. (See Table 2, above.)
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Path loss: Signal attenuation caused by free air. (See table in Appendix A.)
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Coverage estimation is done as follows:
1. Using the site map, select a reasonable DBS location.
2. Move away from this location and estimate the distance.
3. If there are any obstacles, determine the "insertion loss (dB)" of the obstacle(s) from Table 2,
above.
4. From the table in Appendix A, read the "path loss" (RSSI value) corresponding to the estimated
distance.
5. Repeat the procedure if you have any doubts about the location.
If the estimated distance is greater than 150m, communication may be possible but there is no guarantee
of good quality or of a call being made.
Tools Needed f Tools Needed for or or or Site Survey
Tools Tools Needed f Needed f
Key telephone system: BSI card and DLI card with one DGP (digital keyphone)
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DBS: 1
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Handsets (Office DECT 8000): 1
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UTP cable (5m patch lead): BSI to DBS
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Site Survey
Site Survey Site Survey
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