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 VDC to 60 VDC (−15% / +5%)
Input Voltage (Variant Pb) 50 VDC to 136 VDC (±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 VDC, 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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