Definitions

1. A concentrator is a device that provides a central connection point for cables from workstations, servers, and peripherals.
2. A concentrator was similar to a multiplexer except that it was usually a single-ended device that connected directly to a host computer.
3. The concentrator is employed at a central office terminal (100), and at a remote terminal (102), with an interconnecting digital transmission path (108).
4. The VPN concentrator is specifically designed for VPNs and allows a whole host of authentication methods.
5. Access Concentrator is connected to LRE CPEs 176 and 188 on different subscriber's premises.

Master Port

1. It is usually connected to a master port (M-Port) of a concentrator.

Cddi Concentrator

1. FDDI or CDDI concentrator capable of attaching to both rings of an FDDI or CDDI network.

Oxygen Concentrator

1. Oxygen Concentrator - This is an electrically powered device that separates the oxygen out of the air, concentrates it, and stores it.

Vpn Concentrator

1. The device may include a stateful firewall, a VPN concentrator, or be an IPSec security gateway.

Access Concentrator

1. The access concentrator name and PPPoE service name are used by clients to identify the access concentrator to register with.

Internet

1. The VPN Concentrator uses the default gateway to route packets to the Internet (usually the outside router).

Cases

1. This feature provides a way to handle cases where a router or NAT device between the VPN Concentrator and the client rejects or drops IP fragments.

Authentication

1. The concentrator could also be configured to connect without a username and rely entirely upon the Certificates for authentication.

Destination

1. The subsystem looks at the destination IP address in all packets coming through the VPN Concentrator, even tunneled ones, to determine where to send them.

Box

1. Check the Autonomous System check box to indicate that the VPN Concentrator OSPF router is the boundary router for an Autonomous System.
2. Check the Client Reverse Route Injection check box to add host routes for each remote client to the VPN Concentrator routing table.

Metals

1. Concentrator - A milling plant that produces a concentrate of the valuable minerals or metals.

Solar Cell

1. With a concentrator to magnify the light intensity, the solar cell produces more electricity.

Das

1. Figure 8-5 shows the ring attachments of an FDDI SAS, DAS, and concentrator.

Ethernet

1. PPP over Ethernet (PPPoE) provides the ability to connect a network of hosts over a simple bridging access device to a remote Access Concentrator.
2. In Ethernet and IEEE 802.3, an Ethernet multiport repeater, sometimes referred to as a concentrator.

Bridging

1. Concentrator A central chassis into which various modules, such as bridging, supervisory, 10BaseT and other peripheral cards are plugged.

Point

1. Besides a cross connect point, they sometimes contain a DSLAM or more rarely a remote concentrator or both.

Single Point

1. Star Network A network in which all terminals are connected through a single point, such as a star coupler or concentrator.
2. For example, a local area network (LAN) concentrator connects a number of LAN devices at a single point.

Dial Tone

1. When a user picks up the phone, the concentrator produces the dial tone.

Firewall

1. A firewall also acts as the concentrator for your Internet access.
2. Separate from the router may be a firewall or VPN concentrator, or the router may include these and other security functions.

Public Network

1. The first dial-in public networks used asynchronous TTY terminal protocols to reach a concentrator operated by the public network.
2. The default gateway must be reachable from a VPN Concentrator interface, and it is usually on the public network.

Central Hub

1. Like most ring topologies, life is made easier if the devices can be connected to a central hub or concentrator.

Time Slot

1. The allocated time slot on the wiring into the concentrator is used to send data from the remote telephone's microphone to the local telephone's speaker.

Token

1. If an Incoming Ring token is received from the concentrator while the Subscriber Station is in the RCC Idle state, then this routine is invoked.

Network Topology

1. Based on the network topology, there may be more than one Access Concentrator that the Host can communicate with.

Wiring

1. Wiring concentrator to which all end stations in a Token Ring network connect.
2. Multistation Access Unit (MAU) A wiring concentrator to which token ring lobes attach.
3. Hub - A wiring concentrator for a LAN or WAN that provides a central attachment point for network cabling.

Nodes

1. Star Topology A network topology in which nodes are connected to a common device such as hub or concentrator.
2. Cisco IOS feature that enables a router to function as a PU concentrator for SNA PU 2 nodes.

Switch

1. In many cases, the concentrator is co-located in the same building as the switch.
2. The voice or data path will always extend to the host switch even for calls between subscribers served by the same remote concentrator.

Multiplexer

1. Composite - The side of a concentrator or multiplexer that includes all of the multiplexed data.

Cable

1. A star network needs a lot of cable because each machine has to have a cable straight to the concentrator.

System

1. The solar dish engine (above) is a solar "concentrator" and is the primary solar component of the system.
2. The major parts of a system are the solar concentrator and the power conversion unit.
3. This parameter applies to RIP messages going out of the VPN Concentrator; that is, it configures the system to send RIP messages on this interface.

Sas

1. The concentrator ensures that a failure, or power down, of any given SAS, does not interrupt the ring.
2. An SAS attaches to only one ring (the primary) through a concentrator.

Device

1. CONCENTRATOR - A device used in LAN applications to attach several nodes to one AUI or bus attachment point.
2. Any IEEE802.3 10Base-T compatible device has a female RJ45 connector that normally connects to a hub or concentrator using UTP cable.
3. Concentrator - A device which connects a number of circuits which are not all used at once to a smaller group of circuits for cost effective transmission.

Repeater

1. It can either be an internal or external feature of a network device such as network interface card, repeater, hub or concentrator.
2. Network Hubs: A network hub is called in many different names such as concentrator, multistation access unit, transceiver, or repeater.

Fddi

1. FDDI defines three types of devices: single-attachment station (SAS), dual-attachment station (DAS), and a concentrator.
2. It also comes with a Dual Attach (DAS) option for direct A-B connectivity to an FDDI ring or concentrator, or for dual homing between two concentrators.
3. FDDI or CDDI concentrator that connects to the network by being cascaded from the master port of another FDDI or CDDI concentrator.

Network

1. Also referred to as a "repeater" or "concentrator", its primary function is to receive and send signals along the network between the nodes connected to it.
2. The concentrator amplifies all the signals that pass through it allowing for the total length of cable on the network to exceed the 100 meter limit.
3. A concentrator providing connection to a network for multiple devices.

Workstation

1. Each concentrator amplifies each signal passing through it so that data will travel further along the cabling connecting each workstation to the device.
2. In a star topology, twisted-pair wire is run from each workstation to a central concentrator.

Workstations

1. It is also designed with each node (file servers, workstations, and peripherals) connected directly to a central network hub, switch, or concentrator.
2. A star topology is designed with each node (file server, workstations, and peripherals) connected directly to a central network hub or concentrator.
3. Workstations are connected to a central concentrator ("hub") in a star configuration.

Hub

1. Data on a star network passes through the hub, switch, or concentrator before continuing to its destination.
2. At that point, the hub, or concentrator, partitions (isolates) the node from the network until the condition is corrected.
3. If the hub, switch, or concentrator fails, nodes attached are disabled.

Star Topology

1. Star Topology - LAN topology in which each node on a network is connected directly to a central hub or concentrator.
2. Star Topology - LAN topology in which each node on a network is connected directly to a central network hub or concentrator.
3. In a star topology, each machine on the network has its own dedicated connection to a hub or concentrator.

Concentrator

1. Switch A concentrator is a device that provides a central connection point for cables from workstations, servers, and peripherals.
2. Concentrator - A device that provides a central connection point for cables from workstations, servers, and peripherals.
3. The hub, switch, or concentrator manages and controls all functions of the network.

Categories

1. Star Topology
2. Encyclopedia of Finance. > Technology > Equipment > Workstations
3. Hub
4. Information Technology > Computers > Hardware > Peripherals
5. Fddi
6. Books about "Concentrator" in Amazon.com
   

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