Antenna connection, Ethernet cable connection – 2N VoiceBlue MAX v1.3 User Manual

Page 19

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Antenna Connection

2N VoiceBlue MAX


is equipped with a SMA female antenna connector for all the

GSM/UMTS modules. The external antenna should always be installed vertically on a
site with a good wireless signal.

Ethernet Cable Connection

To connect

into an Ethernet network use a standard straight

2N VoiceBlue MAX


cable terminated with RJ-45 connectors (included in the package). The GSM gateway
supports the 10BaseT and 100BaseT standards, the Ethernet connection status is
indicated by the status LED indicators located on the RJ-45 connector (refer to


for details).


For the Ethernet interface factory settings for

refer to


2N VoiceBlue MAX


Subs. 2.2


Connecting a defective or inappropriate power supply adapter may lead to
a temporary or permanent


2N VoiceBlue MAX


Check whether the antenna is connected before plugging the adapter.
Feeding the device without antenna connection may result in the
GSM module transmitter damage.


Tighten the antenna

connector gently with your hand

never use a


Being a source of radio frequency emissions, the

2N VoiceBlue MAX


antenna should not occur in the close vicinity of the human body. The

is higher than with mobile phones as, generally, gateways

health hazard
shared by multiple users show a very high traffic.


The antenna has a sufficient gain for a trouble-free operation under
normal conditions. If the signal is poor or you want to place your antenna
separately from

, you can use an antenna with an

2N VoiceBlue MAX


SMA-connector terminated cable. The antenna should be mounted
Refer to the

section for the antenna and cable

Technical Parameters



Resetting factory values results in a change of the 2N VoiceBlue MAX


Ethernet interface configuration!
Using a defective Ethernet cable may lead to a high packet loss rate in the
Ethernet network and subsequent instability and poor quality of all
GSM/UMTS calls!