NB3700 User Manual 3.8
3.3. Interfaces
3.3.1. Overview
Label Panel Function
SIM 1 Front SIM 1, it can be assigned dynamically to any modem by
configuration.
SIM 2 Front SIM 2, it can be assigned dynamically to any modem by
configuration.
USB Front USB 2.0 host port, can be used as USB device server or for
software/configuration updates.
Ethernet 1-4 Front Ethernet switch ports, can be used as LAN or WAN inter-
face.
Ethernet 5 Front Additional Ethernet switch port (represents an RS232 port
for NB3700-4ES)
Front Earth protection connector, connected to the ground of the
power supply VGND. If used, connect a yellow-green marked
cable with at least 6mm
2
copper area. Avoid corrosion and
protect the screws against loosening.
Earthing is mandatory for the variant Pb (50 VDC to
136 VDC power supply).
Power Front Power supply (galvanically isolated)
Digital I/O Front Galvanically isolated digital I/O M12 connector
Mob 1 Front TNC female connector for mobile antenna 1
WLAN 1 Front TNC female connector for first WLAN antenna (main)
GPS Front TNC female connector for GPS antenna
Mob 2 Front TNC female connector for mobile antenna 2
WLAN 2 Front TNC female connector for second WLAN antenna (diver-
sity)
Reset Front Reset button, press at least 3 seconds for reboot and at least
5 second for a factory reset. The start of the factory reset is
confirmed by all LEDs lighting up for a second. The button
can be released then again.
Table 3.3.: NB3700 Interfaces
15
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