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

Page 20

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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.


Tighten the antenna

connector gently with your hand


never use a wrench

Being a source of radio frequency emissions, the 2N


antenna should not occur in the close vicinity

VoiceBlue MAX
of the human body. The

is higher than with

health hazard

mobile phones as, generally, gateways 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

2N VoiceBlue MAX


can use an antenna with an SMA–connector terminated cable.
The antenna should be mounted vertically.
Refer to the

section for the antenna and

Technical Parameters

cable parameters.

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


Resetting factory values results in a change of the 2N


Ethernet interface configuration!

VoiceBlue MAX
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!