2n VoiceBlue Next v3.0 User Manual Page 20

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Brief Installation Guide
2.3
20
2.3 Brief Installation Guide
SIM Card Inserting/Removing
For the correct handling of SIM cards refer to the SIM Card Placement subsection on
p. 16.
Caution
Make sure that the GSM gateway is off before inserting and removing SIM
cards to avoid the GSM/UMTS module damage.
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 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 2N
VoiceBlue Next in another
working position too, e.g. on a desk, for a short time for servicing and testing
purposes, for example.
Any excess of the allowed working temperature may not affect the 2N
VoiceBlue function immediately but may result in faster ageing and lower
reliability. For the allowed working temperature and humidity ranges refer to
S. 5, p. 85.
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 2N
VoiceBlue Next for
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!
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