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Latest Comms InfoZone Articles

Layer 3

Within the seven-layer Open Systems Interconnection (OSI) model, Layer 3 is the network layer. Layer 3 is involved in the forwarding of incoming data packets of variable length. This network layer includes the functioning and procedures that

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Layer 2

The term layer 2 refers to the data link layer in the conceptual Open Systems Interconnection (OSI) data communication model. The OSI framework includes seven total layers. The data link layer (Layer 2) of the OSI moves data across a linked

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Fibre Uplink

Using a fibre uplink, one device can be connected to a network, or a LAN can be connected to a larger network. Switches, hubs and routers often have a specified port as the uplink connection. Switches with fibre uplink ports are a frequent

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Switch Ports, Port Managers

Multi-port Switches Multi-port switches streamline the processing and transmission of data. Switch models with multiple ports are available to support the full scope of data packet protocols. The switches can offer data link layer (2) or network

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Stackable Switches

Stackable SwitchesReliable stackable switches operate independently or in conjunction with other switches. A stackable switch is a set of switches which have been stacked to serve as a single network switch, which can be managed as one larger

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Gigabit Ethernet Switches

Multiport gigabit switches connect Ethernet-enabled devices within a network, while delivering greater performance capabilities. A switch with gigabit Ethernet ports will support a maximum transmission speed of one gigabit per second (Gbps).

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Network/Ethernet Switches

Ethernet switches physically connect devices on a computer network. They regulate data flow through the network by performing packet switching. A network switch will only broadcast a message to the device that requests or needs it. Each device

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802.3az

The network standard 802.3az was developed by the IEEE with the goal of reducing network power usage when demands fall. IEEE 802.3az defines enhancements to twisted pair cabling that can result in significantly lower network energy consumption,

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802.3ad

The IEEE standard 802.3ad defines the use of multiple transmission paths between network devices with the objective of potentially increasing Ethernet speeds. The practice of establishing a wider transmission path is commonly known as link

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802.1x

The IEEE authentication standard 802.1X supports improved security over wireless local area networks (WLANs). 802.1x enhances security measures through a process of user and system authentications. The standard is based on the EAP encapsulation

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802.1Q

The open IEEE standard 802.1Q supports quality of service (QoS) and Virtual LAN (VLAN) identification as traffic moves over an Ethernet network. A VLAN is a local area network that utilizes another LAN, rather than its own physical network,

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