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[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ admin_label=”About” _builder_version=”4.16″ custom_padding=”||50px||false|false” global_colors_info=”{}”][et_pb_row custom_padding_last_edited=”on|phone” _builder_version=”4.16″ background_color=”#ffffff” max_width=”860px” custom_margin=”-220px||||false|false” custom_padding=”0px|40px|0px|40px|true|true” custom_padding_tablet=”30px|30px|30px|30px|true|true” custom_padding_phone=”20px|20px|20px|20px|true|true” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.4″ text_line_height=”1.8em” header_2_text_color=”#000000″ header_2_font_size=”48px” header_2_line_height=”1.1em” custom_margin=”40px||||false|false” text_font_size_tablet=”” text_font_size_phone=”22px” text_font_size_last_edited=”on|phone” header_2_font_size_tablet=”32px” header_2_font_size_phone=”22px” header_2_font_size_last_edited=”on|phone” content_en_us=”<\/p>\n
Alejandra is a stunning 134-foot aluminum ketch built in Spain in 1992 in the %22Spirit of Tradition%22 class.
Our company was first contacted to replace the old, non-functioning CCTV cameras and overhaul the existing KVH satellite television system. Then, at the end of the summer season, to install a new communications and navigation system.
The current satellite TV system consists of a Navisystem 95 HT dual-LNB antenna capable of receiving satellite channels in both Europe and America.
Navigation is monitored and managed by Nobeltec’s Admiral program, which, combined with the company’s IR2 4 kW Open Array Radar, connected via Ethernet, allows the onboard computers to simultaneously display:<\/p>\n
The onboard fixed network consists of two PCs connected via Ethernet via a Netgear Prosafe router. Their tasks:<\/p>\n
The Captain requested the second computer to ensure immediate control of the entire system in the event of a sudden malfunction of the first.
To manage the internet connection, we chose the Radiomarine Communicator, a computer with an Embedded Linux operating system, from which it is possible to select and manage:<\/p>\n
To optimize browsing speed and costs, software updates are installed automatically and free of charge via remote assistance.
Wireless reception in ports is provided by a Netgear Access Point, which operates in Client mode and uses an external high-gain omnidirectional antenna.
The UMTS\/HSDPA connection is established via a Linksys 3G router.
A Thrane & Thrane Fleet Broadband 250 guarantees satellite internet and voice (with the supplied telephone), even simultaneously.
The antenna has a diameter of just 27 cm and a height of 33 cm.
The vessel features a secure wireless network, managed by three Netgear access points. This network is separate from the wired network for security reasons. Access is available to:<\/p>\n
The configuration is further enhanced by the following features for the network server:<\/p>\n
Naturally, since system management is quite complex, a comprehensive use and maintenance manual was provided after sea trials and the introductory course.<\/p>\n
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Alejandra\u00a0\u00e8 uno stupendo Ketch in alluminio, misura 134\u2019 di lunghezza ed \u00e8 stato costruito in Spagna nel 1992 nella classe \u201cSpirit of Tradition\u201d.
La nostra ditta \u00e8 stata contattata dapprima per sostituire le vecchie telecamere a circuito chiuso non funzionanti e revisionare l\u2019impianto televisivo satellitare Kvh preesistente, poi, a fine stagione estiva, per realizzare un nuovo sistema di comunicazione e navigazione.
L\u2019attuale impianto TV Sat consiste in una antenna\u00a0Navisystem 95 HT a doppio Lnb\u00a0in grado di ricevere i canali satellitari sia in Europa che in America.
La navigazione \u00e8 monitorata e gestita dal programma\u00a0Admiral della Nobeltec, il quale, in accoppiamento con il Radar\u00a0IR2 4 kW Open Array\u00a0della stessa ditta, collegato tramite rete Ethernet, permette ai computers di bordo di evidenziare nello stesso istante:<\/p>\n
La rete fissa di bordo \u00e8 costituita da due PC collegati in rete Ethernet tramite router\u00a0Prosafe Netgear. Il loro compito:<\/p>\n
Il secondo computer \u00e8 stato richiesto dal Comandante per garantire l\u2019immediato controllo dell\u2019intero sistema in caso di improvviso malfunzionamento del primo.
Per gestire la connessione internet abbiamo scelto il\u00a0Communicator della Radiomarine, un elaboratore con sistema operativo Linux Embedded, dal quale \u00e8 possibile selezionare ed amministrare:<\/p>\n
Per ottimizzare velocit\u00e0 di navigazione e costi gli aggiornamenti del software sono installati automaticamente e gratuitamente in teleassistenza.
La ricezione Wireless nei porti \u00e8 affidata ad un Access Point della\u00a0Netgear, il quale lavora in modalit\u00e0 Client ed utilizza un\u2019antenna esterna omnidirezionale ad alto guadagno.
La connessione UMTS\/HSDPA \u00e8 realizzata tramite un Router 3G della\u00a0Linksys
Un Fleet BroadBand 250 della\u00a0Thrane & Thrane\u00a0garantisce il collegamento satellitare Internet e voce (con il telefono fornito in dotazione) anche contemporaneamente.
L\u2019antenna ha un diametro di soli 27cm ed un\u2019altezza di 33cm.
All\u2019interno dell\u2019imbarcazione \u00e8 presente una rete wireless protetta, gestita da tre Access Point\u00a0Netgear, separata dalla rete cablata per motivi di sicurezza, alla quale possono accedere:<\/p>\n
La configurazione \u00e8 ulteriormente redondante in quanto abbiamo previsto per il server di rete:<\/p>\n
Naturalmente, essendo la gestione del sistema abbastanza complessa, \u00e8 stato fornito\u00a0un completo manuale di uso e manutenzione, consegnato dopo le prove in mare ed il corso introduttivo.<\/p>\n
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