16
2N TELEKOMUNIKACE a.s., www.2n.cz
®
2.3 Brief Installation Guide
SIM Card Inserting/Removing
For the correct handling of SIM cards refer to the SIM Card Placement subsection.
Installation Conditions
The following installation conditions have to be met for proper installation:
2N VoiceBlue Next
®
is to be installed on a site with enough free space.
2N VoiceBlue Next
®
can be mounted on a vertical surface (2-channel version),
or on a horizontal surface or into a system rack (4-channel version). It is possible
to operate
in another working position too, e.g. on a desk,
2N VoiceBlue Next
®
for a short time for servicing and testing purposes, for example.
Any excess of the allowed working temperature may not affect the
2N
®
function immediately but may result in faster ageing and lower
VoiceBlue Next
reliability. For the allowed working temperature and humidity ranges refer to
S. 5
2N VoiceBlue Next
®
is not designed for high-vibration environments such as
means of transport, machine rooms, and similar.
2N VoiceBlue Next
®
is not designed for dusty environments or places exposed
to high humidity and temperature changes.
2N VoiceBlue Next
®
may not be exposed to aggressive gases, acid and solvent
vapours, and so on.
2N VoiceBlue Next
®
is intended for indoor use. It may not be exposed to rain,
flowing water, condensing moisture, fog, and so on.
2N VoiceBlue Next
®
may never be exposed to direct sunshine or placed close
to heat sources (radiators).
A sufficient clearance must be kept over and under
for
2N VoiceBlue Next
®
cabling and air flow to carry off the heat.
A sufficient GSM/UMTS signal intensity has to be provided for
2N VoiceBlue
®
.
Next
An adequate capacity of the GSM/UMTS network has to be ensured (no BTS
overload). Remember that multiple GSM gateways used in one location may
overload the base transceiver station (BTS) you are currently logged in to. This
may lead to a permanent or occasional rejection of GSM/UMTS calls!
No strong electromagnetic radiation is allowed on the
2N VoiceBlue Next
®
installation site.
No strong electromagnetic reflections are allowed on the
2N VoiceBlue Next
®
antenna installation site.
An inappropriate location of
or its antenna close to
2N VoiceBlue Next
®
television, broadcasting and/or other rf-sensitive sets may impair the function of
these sets.
Being a source of radio frequency emissions, the
antenna
2N VoiceBlue Next
®
should not occur in the close vicinity of the human body. The health hazard is
Caution
Make sure that the GSM gateway is off before inserting and removing SIM
cards to avoid the GSM/UMTS module damage.
