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イーサネットスイッチ&メディアコンバーター
イーサネットスイッチ
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<img width="605" height="272" alt="Military Ethernet Switch" loading="lazy" class="lazyload" data-src="/sites/default/files/styles/optimized/public/media/image/2023-12/military_ethernet_switch.png?itok=KERtTANM">
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<p><strong>Internet</strong> is a communication protocol for worldwide network (<strong>WAN</strong> = Wide Area Network). Devices are managed through this network on the basis of IP addresses.</p>
<p><strong>Ethernet</strong> is a communication protocol for Local Area Network (<strong>LAN</strong>) using same media interfaces (mainly RJ45 or fiber). LAN are independent networks but may be linked within a WAN through Internet devices such as Routers.</p>
<p>If you have any questions about our Ethernet Switch and Media Converter, contact <a href="https://support.amphenol-socapex.com/hc/en-gb/requests/new" target="_blank">our Technical Support team</a>. <br>More information on <a href="https://online.flippingbook.com/view/763483120/" target="_blank">Rugged Ethernet Switch & Media Converters catalog</a>.</p>
<p> </p>
<p><strong>SNMP</strong> (Simple Network Management Protocol) and <strong>RMON</strong> (Remote Monitoring) provide a means to monitor and manage your network. Each SNMP device maintains Management Information Bases (<strong>MIB</strong>s) containing information about the operation and configuration of the device.</p>
<p>Each MIB contains a variety of information such as:</p>
<ul>
<li>Information about the switch as a system: name, description, physical location; </li>
<li>VLAN </li>
<li>IGMP </li>
<li>statistics </li>
<li>and much more.</li>
</ul>
<p>If you have any questions about our Ethernet Switch and Media Converter, contact our <a href="https://support.amphenol-socapex.com/hc/en-gb/requests/new" target="_blank">Technical Support team</a>.<br>More information on <a href="https://online.flippingbook.com/view/763483120/" target="_blank">Rugged Ethernet Switch & Media Converters catalog.</a></p>
<p>The <strong>mirroring feature </strong>is ideal for performing diagnostics by allowing traffic that is being sent to and received from one or more source ports to be replicated out a monitoring/target port. <br>Port mirroring is available both with managed switches and Ring switches. <br>Data is monitoring with a network monitor software.</p>
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<p class="MsoNormal" style="line-height:normal;mso-margin-bottom-alt:auto;mso-margin-top-alt:auto;">If you have any questions about our Ethernet Switch and Media Converter, contact our <a href="https://support.amphenol-socapex.com/hc/en-gb/requests/new" target="_blank">Technical Support team</a>.<br>More information on <a href="https://online.flippingbook.com/view/763483120/" target="_blank">Rugged Ethernet Switch & Media Converters catalog.</a><o:p></o:p></p>
<p><strong>VLAN</strong> can <strong>segregate traffic</strong> flowing through a switch to improve bandwidth utilization or security. Segregation is done based on membership in a group of ports (port-based VLANs) or on IEEE 802.1Q tags which include a VLAN ID (tag-based VLANs).</p>
<p>A <strong>port-based VLAN</strong> limits traffic coming in a port to the group of ports to which that port belongs. For example, if ports 1, 3, 5, 7, and 9 were placed in a port-based VLAN, broadcast frames coming in port 3 would be sent to ports 1, 5, 7, and 9 (which are members of port 3's VLAN) but not to ports 2, 4, 6, and 8 (which are not members).</p>
<p>A <strong>tag-based VLAN</strong> limits traffic based on the VLAN ID in a 'tag' associated with the frame. VLAN tags may be explicitly placed in frames by applications or switching equipment, or implicitly assigned to frames based on the switch port where they arrive.</p>
<p>The VLAN feature is available on our managed switches.</p>
<p>If you have any questions about our Ethernet Switch and Media Converter, contact our <a href="https://support.amphenol-socapex.com/hc/en-gb/requests/new" target="_blank">Technical Support team.</a><br>More information on <a href="https://online.flippingbook.com/view/763483120/" target="_blank">Rugged Ethernet Switch & Media Converters catalog.</a></p>
<p><o:p></o:p></p>
<p>The recommended method for accessing the switch is using a Web User Interface such as Internet Explorer.<br>This method is very simple. Just be careful by configuring the network parameters. Refer to the Managed Software user manual for details.</p>
<p>Some models may also be accessed with a serial connection or also with a Telnet connection.</p>
<p class="MsoNormal" style="line-height:normal;mso-margin-bottom-alt:auto;mso-margin-top-alt:auto;">If you have any questions about our Ethernet Switch and Media Converter, contact our <a href="https://support.amphenol-socapex.com/hc/en-gb/requests/new" target="_blank">Technical Support team</a>.<br>More information on <a href="https://online.flippingbook.com/view/763483120/" target="_blank">Rugged Ethernet Switch & Media Converters catalog.</a><o:p></o:p></p>
<p><strong>IGMP</strong> (Internet Group Management Protocol) allows hosts and routers to work together to optimize forwarding of <strong>multicast traffic</strong> on a network. <br><u>Without IGMP</u>, all multicast packets must be forwarded to all network segments. <br><u>With IGMP</u>, multicast traffic is only forwarded to network segments, which connect interested hosts.</p>
<p>An<strong> IGMP snooping switch</strong> performs many of the functions of an IGMP router. <br>Periodically, routers and IGMP snooping switches in active mode send an IGMP Query on each attached network. (The query interval is generally around 1-2 minutes.)</p>
<p>If you have any questions about our Ethernet Switch and Media Converter, contact our <a href="https://support.amphenol-socapex.com/hc/en-gb/requests/new" target="_blank">Technical Support team</a>.<br>More information on <a href="https://online.flippingbook.com/view/763483120/" target="_blank">Rugged Ethernet Switch & Media Converters catalog.</a></p>
<p>The<strong> IP address</strong> (Internet Protocol) is the <strong>unique identifier of each device within a network. </strong><br>The IP Address of both source and destination device is included in each IP message. <br>They indicate the source and the destination where IP packets shall go.</p>
<p>An IP address consists of four bytes (for example 192.10.0.5). IP addresses are divided into two parts:</p>
<ul>
<li>a network part </li>
<li>a computer part</li>
</ul>
<p>It may be manualy or automaticaly (<strong>DHCP</strong>) assigned by a server device such as a server, or even a managed Ethernet switch.</p>
<p> </p>
<p>If you have any questions about our Ethernet Switch and Media Converter, contact our <a href="https://support.amphenol-socapex.com/hc/en-gb/requests/new" target="_blank">Technical Support team.</a><br>More information on <a href="https://online.flippingbook.com/view/763483120/" target="_blank">Rugged Ethernet Switch & Media Converters catalog.</a></p>
<p><strong>MAC </strong>= Media Access Control <br>Each Ethernet device has an assigned unique MAC address. This MAC address corresponds to the hardware unique name of the product. It may be compared with the DNA of a human. <br>This address is fixed during production by the manufacturer and can’t be changed.</p>
<p>Each Ethernet device inserts its unique “MAC” address into each message it sends out. The port on the switch used for a given MAC address is automatically learned when a frame is received from that address. Once an address is learned, the switch will route messages to only the appropriate port, instead of broadcasting messages out all ports like a hub. A time stamp is also placed in memory when a new address is learned. This time stamp is used with the aging feature, which will remove unused MAC addresses from the table after 300 seconds. If a device moves, the associated port on the switch will be changed (migrated) as needed.</p>
<p>In most switches, up to 2,048 MAC addresses can be stored and monitored at any time.</p>
<p> </p>
<p>If you have any questions about our Ethernet Switch and Media Converter, contact our <a href="https://support.amphenol-socapex.com/hc/en-gb/requests/new" target="_blank">Technical Support team</a>.<br>More information on <a href="https://online.flippingbook.com/view/763483120/" target="_blank">Rugged Ethernet Switch & Media Converters catalog.</a><br> </p>
<p class="MsoNormal" style="line-height:normal;mso-margin-bottom-alt:auto;mso-margin-top-alt:auto;"><o:p></o:p></p>
<p>An <strong>IP frame</strong> contains several information such as:</p>
<ul>
<li>The destination IP and MAC address </li>
<li>The source IP and MAC address The type of protocol used (TCP, UDP and others) </li>
<li>The length of the message Encryption data VLAN tags and much more</li>
</ul>
<p><br><strong>What is Flow Control?</strong></p>
<p>Devices use flow control to ensure that the receiving device takes in all the data without error. If the transmitting device sends at a faster rate than the receiving device, then the receiving device will eventually have its buffer full. No further information can be taken when the buffer is full, so a flow control signal is sent to the transmitting device to temporarily stop the flow of incoming data. <br>For each port, Flow Control can be enabled or disabled. </p>
<p><strong>Military Ethernet Switches - What is the difference between Unicast, Broadcast and Multicast messages?</strong></p>
<p><strong>Broadcast messages</strong> are sent to all stations in the network. <br>Whereas an <strong>unicast message</strong> is only sent to one station on the network. <br><strong>Multicast messages</strong> are sent to a group of stations, for example video cameras type. Using multicast allows the building of distribution networks, which are suitable for video monitoring or television transmissions over the Internet, i.e. information with one sender and many receivers. <br>IPv4 addresses as 255.255.255.255 or 192.168.0.255 are BROADCAST IP addresses. <br>IPv4 addresses from 224.0.0.0 to 239.255.255.255 are MULTICAST IP addresses. <br>Learn more about our Rugged Ethernet Switches by clicking <a href="https://online.flippingbook.com/view/763483120/" target="_blank">HERE</a></p>
<p><strong>What means Auto-MDI/MDIX-Crossover?</strong></p>
<p><strong>MDI </strong>= Media Device Interface <br>The RJ45 (copper) ports on the switch will automatically detect the cable type (straight-thru vs. cross-wired) and re-configure themselves accordingly.</p>
<p> </p>
<p>If you have any questions about our Ethernet Switch and Media Converter, contact our <a href="https://support.amphenol-socapex.com/hc/en-gb/requests/new" target="_blank">Technical Support team</a>.<br>More information on <a href="https://online.flippingbook.com/view/763483120/" target="_blank">Rugged Ethernet Switch & Media Converters catalog.</a><br> </p>
<p>The Internet Protocol Suite (commonly known as <strong>TCP/IP</strong>) is the set of communications protocols used for the Internet and other similar networks. <br>It is named from two of the most important protocols in it: the Transmission Control Protocol (TCP) and the Internet Protocol (IP), which were the first two networking protocols defined in this standard.<br>The TCP/IP model consists of four layers. From lowest to highest, these are the:</p>
<ul>
<li>Link Layer (2) </li>
<li>Internet Layer (3) </li>
<li>Transport Layer (4) </li>
<li>Application Layer (7) </li>
</ul>
<p>If you have any questions about our Ethernet Switch and Media Converter, contact our <a href="https://support.amphenol-socapex.com/hc/en-gb/requests/new" target="_blank">Technical Support team</a>.<br>More information on <a href="https://online.flippingbook.com/view/763483120/" target="_blank">Rugged Ethernet Switch & Media Converters catalog</a>.<o:p></o:p></p>
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イーサネット軍事スイッチ RESMLAC-28MG の説明
Amphenol Socapex MIL-STD-461 軍事用イーサネットスイッチ(RESMLAC-28MG)は、過酷な軍事および産業環境で使用するために設計された、高度なフルマネージド小型ポータブルイーサネットスイッチです。このスイッチは、24 個のギガビットポートと 4 個のコンボ 10G ポートを備えており、堅牢なネットワーク、戦闘車両、航空システム、船舶システム、戦場通信 c4IsR など、幅広いデータ収集および伝送アプリケーションに適しています。
この軍用イーサネット・スイッチの最も大きな特長の1つは、EMIのMIL-STD-461E、環境試験のMIL-STD-810F/GM、電源保護のMIL-STD-1275B、電源保護のMIL-STD-704Aなど、複数のMIL-STD規格に完全に準拠していることです。これらのMIL-STD規格により、スイッチは過酷な環境でも確実に動作し、極端な温度、低周波の振動、軽量の衝撃に耐えることができます。
Amphenol Socapex軍用イーサネットスイッチのもう1つの利点は、その移植性です。
全体として、Amphenol Socapex軍用イーサネットスイッチは、堅牢で信頼性が高く、ポータブルなネットワークソリューションを必要とする組織にとって最適な選択肢です。その高度な機能と複数のMIL-STD規格への準拠により、信頼性の高いデータ伝送が重要な軍事および産業用途に理想的なソリューションとなっています。