GAI-Tronics PHP400 Руководство по установке и эксплуатации - Страница 6
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This level may have to increase if the ambient noise level at the Help point is high, and
in any event correct operation cannot be guaranteed in ambient noise levels exceeding
80dBA.
Installation and dimensions
4.
General
4.1.
All possible measures must be taken to ensure water, fluid or dust does not
contaminate the internal components of the unit whilst unpacking, preparing and
installing it in inclement weather conditions or by negligence.
Do not drill any additional holes in the casing. Make sure any unused cable
entry or mounting holes are properly sealed against water or dust ingress.
Failure to do so may result in an unsafe condition and will invalidate your
warranty.
Units dimensions and weight
4.2.
Overall diameter
Depth (rear surface to front face)
Pushbutton height from front face
Unit weight
Mounting centres
Cable entries
Site requirements
4.3.
Ensure that the following are available before installation:
1. Survey the proposed site for GSM signal strength. Using an appropriate testing
device, establish that there is sufficient signal strength at the proposed location for
the network provider being proposed. Note that GSM performance can vary widely
between different providers' networks and can be affected by building structures.
Occasionally there can be "dead spots" where signal is low, but may be adequate a
short distance away. If signal strength is too low it may be necessary to either re-site
the unit, choose a different provider or site the aerial remotely (see below).
IMPORTANT
405mm
88mm
10mm
6.5kg
4 x 7mm holes on 145 x 270mm centres,
see drawing 112-11-0081-001 appended to
this manual.
5 off 20mm gland entry points are provided,
with blanking plugs to blank off any that are
not used:
2 x rear
2 x lower
1 x upper (used for aerial)
Positions are detailed on drawing
112-11-0081-001 appended to this manual.
PHP400 GSM Help Point.
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