HIKOB GATEWAY H-GW103A Manuale di installazione - Pagina 9
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Stampa la paginaInstallation Guide
INSTALL_GATEWAY-V5
2019/01 Edition
4 Installation
4.1 Overall Methodology
Installing an HIKOB radio network requires a good topology analysis of your site to maximize
radio transmission quality by optimizing positions and numbers of HIKOB nodes in the network.
A preliminary study done with your vendor determines elements that will constitute your HIKOB
radio network acquisition.
Draw a site map: position your stationary sensors on parking places for WISECOW-P; on the
way where passing vehicles should be controlled for WISECOW-T; where road temperature
have to be measured for WISECOW-W; and so on with other sensors types. Then you can
determine the number of routers you need for your network following these rules:
–
The maximum distance between buried sensors and the GATEWAY is 30m.
–
The maximum distance between a LION and a GATEWAY, varies between 100 and
300m, depending on the terrain topology.
–
A GATEWAY hosts 80 elements in all, and 30 as direct children in the multi hop radio
network.
–
The LION, the HIKOB router hosts 16 sensors or other routers.
For good radio transmission, both GATEWAY and LION need to be installed on elevated spots,
around 5m high. You will have better signal transmission with routers close to sensors and far
from other routers or GATEWAY.
Keep In mind that RF waves quality heavily rely on the environment they propagate in. Identify
the most distant sensors, and zones where you suspect waves will propagate painfully, like
having metal or concrete obstacles in the way.
The GATEWAY provides useful user information to appraise the radio signal quality between
elements of the HIKOB network. Refer to section Radio quality link in the NETPULSE manual
for that.
4.2
GATEWAY power supply
The GATEWAY is powered via Ethernet using the PoE technology (Power over Ethernet) based
on the 802.3af-2003 and 802.3af-2009 standards. This allows both data and power delivery over
category 5e or better cables. So ideally your site has an Ethernet network carrying cables
providing PoE.
If your site does not provide a connection insuring the standard PoE technology, then you
need to use a PoE injector that must be compliant with the 802.3af-2003 and 802.3af-2009
norm. This standard ensures interoperability between your power sourcing equipment and
the powered device GATEWAY.
•
The PoE connector stamped OUT goes to the GATEWAY.
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