NetModule NB3700, Руководство пользователя

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4. Installation
4.1. Environmental Conditions
The following precautions must be taken before installing a NB3700 router:
• Avoid direct solar radiation
• Protect the device from humidity, steam and aggressive fluids
• Guarantee sufficient circulation of air around the device
• The device is for indoor use only
Parameter Rating
Input Voltage (Variant Pa) 12 V
DC
to 60 V
DC
(
−
15% / +5%)
Input Voltage (Variant Pb) 50 V
DC
to 136 V
DC
(
±
10%)
Operating Temperature Range
−
25
◦
C to +70
◦
C
Humidity 0 to 95% (non-condensing)
Altitude (Variant Pa) up to 4000m
Altitude (Variant Pb) up to 2000m
Over-Voltage Category I
Pollution Degree 2
Ingress Protection Rating IP40 (with SIM and USB covers mounted)
Table 4.1.: Operating Conditions
Important:
When using the Pb variant with an input voltage greather than
60 V
DC
, the router MUST be connected to an earth protection.
4.2. Installation of the Router
NB3700 is designed for mounting it on a worktop or wall. Please consider the safety
instructions and the environmental conditions in chapter
2 .
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