Equipment used to connect computers and other electronic devices so that they may exchange information such as switches, routers, bridges, hubs, gateways, etc.

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Access Points (246 suppliers)

Access points are transmitter / receivers (transceivers) that connect to a network through an interface such as a bus or connector. They receive, store, and transmit data between the wireless LAN and the wired structure.
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Analog modem-to-cellular converters allow legacy equipment with built-in analog modems to connect to the cellular data networks by emulating the traditional dial-up PSTN network.
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Bit error rate testers are devices or procedures that measure the bit error rate (BER) for a specific transmission.
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Blade Servers (68 suppliers)

Blade servers are self-contained servers embedded in computer boards.
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Cellular Modems (26 suppliers)

Cellular modems provide wireless data communication over worldwide cellular networks.
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Channel service units (CSU) and data service units (DSU) are digital interface devices that connect end user data communications equipment to digital access lines. They also provide framing of sub-64 kbps customer access channels onto higher rate data circuits.
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Console consolidation systems are modules that allow multiple operators to access, work and simultaneously monitor several mainframes and PC systems consoles.
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Data Baluns (33 suppliers)

Data baluns connect balanced lines to unbalanced lines for data applications.
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Distributed control systems (DCS) use decentralized elements or subsystems to control distributed processes or complete manufacturing systems.
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Fieldbus communications computer boards are used to control of sensors and actuators in industrial applications, such as data acquisition and control.
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IC Modems (44 suppliers)

IC modems enable computers to transmit data over telephone lines or via wireless signals.
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Line Drivers (18 suppliers)

Line drivers extend the transmission distance between terminals or computers connected along private lines or networks.
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Network analyzers and protocol analyzers are test equipment used to troubleshoot and analyze network problems.
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Network Appliances (59 suppliers)

Network appliances are inexpensive personal computers (PC) or computer boards that provide Internet access and promote network security. They lack many of the features of fully-equipped PCs, however.
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Network Bridges (153 suppliers)

Network bridges connect network segments so that devices on both segments can communicate as if they were part of the same network. The centralize network administration and are easier to configure than network routers, which require IP addressing for each computer on each segment.
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Network Cables (794 suppliers)

Network cables are used in the transmission of data across networks. Choices include Fibre Channel, FireWire or IEEE 1394, GPIB, serial, parallel, patch, SCSI, Ethernet and USB.
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Network cards and network controllers are expansion boards inserted into computers that allow them to connect to a network.
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Network clock sources are timing devices that use a signal from an atomic clock or other external reference source to set and maintain a central time for all of the elements in a network.
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Network Emulators (10 suppliers)

Network Emulators are designed to simulate the potential behaviors of computer networks.
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Network Equipment (2,030 suppliers)

Network equipment is used to split, switch, boost, or direct packets of information along a network. This product area includes network hubs, switches, routers, bridges, gateways, multiplexers, transceivers and firewalls. In addition to device type, network equipment is defined by protocol (e.g., Ethernet).
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Network Firewalls (152 suppliers)

Network firewalls protect computer networks against unauthorized use or attack. They permit or deny access to private network devices and applications, and represent an important part of an organization's overall security policy. Firewalls may be software applications, hardware devices (such as routers), or a combination of both. They include turnkey products that are relatively easy to install as well as complex, multi-layer installations that require the expertise of a certified network administrator. 
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Network Gateways (425 suppliers)

Network gateways interconnect networks with different, incompatible communication protocols. They perform a Layer-7 protocol-conversion to translate one set of protocols into another (for example, from TCP/IP to SNA or from TCP/IP to X.25).
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Network Hubs (341 suppliers)

Network hubs provide a central location for attaching wires to workstations. Often, these hardware devices include a network switch that controls how and where data is forwarded.
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Network load balancers are components that distribute interactive traffic across a number of hosts using dynamically updated rules for load balancing, while providing a single system image to the client system.
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Network media converters change the signal of encoded data from one media type to another as it is transmitted through, or between, networks.
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Network Modems (480 suppliers)

Network modems (modulators-demodulators) are devices or programs that allow computers to transmit data over telephone lines. They convert digital computer data to analog sound waves and then demodulate the carrier signals to decode the transmitted information.
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Network Multiplexers (148 suppliers)

Network multiplexers (selectors) combine two or more data inputs into a single output. They are a type of switching-network logic block.       
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Networking repeaters regenerate incoming electrical, wireless, or optical signals to preserve signal integrity and extend the distance over which data can travel. They are often used to connect cable segments in IEEE 802.3 networks.
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Network Routers (554 suppliers)

Network routers are protocol-dependent devices that connect subnetworks, or that break down a large network into smaller subnetworks.
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Network security platforms are designed to protect networks from incursion by external sources.
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Network Servers (832 suppliers)

Network servers control and manage network resources such as files, printers, users, groups, etc.
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Network Switches (753 suppliers)

Network switches connect network devices to host computers and allow a large number of devices to share a limited number of ports. They increase network capacity and speed by examining and filtering data packets. Switches also regenerate forwarded packets, reducing collision rates and permitting the use of additional nodes.
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Network synchronization products are used to maintain and synchronize the timing among all the elements of a network.
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Network Test Equipment (309 suppliers)

Network test equipment is used to test, probe, and analyze telecommunication, network and telephone systems.
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Network Transceivers (134 suppliers)

Network transceivers connect nodes and send and receive signals. In Ethernet networks, they are called medium access units (MAU).
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Power line network equipment uses existing electrical power lines as carriers for data communications signals. They sometimes have lower bandwidths compared to networks that use dedicated fiber optic, coaxial cable, or twisted pair carriers.
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Power over Ethernet (PoE) controllers are used to control the delivery of DC power and data from power source equipment (PSE) to powered devices (PD).
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Power over Ethernet (PoE) injectors supply or inject DC power through network cables to power network devices. They are sometimes called midspans or midspan hubs.
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Power over Ethernet (PoE) splitters receive a unified PoE signal (data and power), and then separate the data and power onto two different lines for non-PoE devices.
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Radio Modems (196 suppliers)

Radio modems are radio frequency transceivers for serial data. They connect to serial ports (RS232, RS422, etc.) and transmit to and receive signals from another matching radio modem.
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Remote terminal units (RTUs) connect directly to sensors, meters, dataloggers or process plants, and collect and transmit data automatically.
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Satellite communications equipment is used for the transmission, conditioning, and reception of satellite signals in worldwide telecommunications.
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Serial Adapters (157 suppliers)

Serial adapters provide one or more serial ports to a host computer. They interface with the host computer via a data bus and add RS232, RS422, RS485 and/or other types of serial ports.
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Serial communications computer boards are boards or ports that transmit data by sending the bits one after the other over a single wire.
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Serial communication products are used in industrial and commercial systems to transmit data bit-by-bit, or sequentially, over a single wire. They include serial servers, serial hubs, serial adapters, serial data converters, serial routers, and serial multiplexers.
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Serial Data Converters (159 suppliers)

Serial data converters are used to interconnect two different serial standards, such as RS232 to RS422, USB to RS232, etc.
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Serial Hubs (41 suppliers)

Serial hubs expand serial ports to multiple ports and allow connectivity of multiple serial devices such as industrial instruments, point-of-sale (POS) terminals, and barcode printers.
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Serial Interfaces (140 suppliers)

Serial interfaces are used to connect or convert an analog signal to a serial-digital output signal, and to convert from one network standard to another.
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Serial Multiplexers (8 suppliers)

Serial multiplexers expand a single serial port into multiple serial ports. They can allow the use of multiple ports over a single serial link.
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Serial Routers (12 suppliers)

Serial routers are protocol-dependent devices that break down large networks into smaller subnetworks.
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Serial Servers (99 suppliers)

Serial servers are used to connect serial devices to a Local Area Network / Wide Area Network without additional hardware.
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Supervisory control and data acquisition (SCADA) systems are large-scale, industrial control and measurement systems that consist of a central host, one or more remote units, a communications network, and specialized software.
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Time Servers (17 suppliers)

Time servers are dedicated network computers that provide time-synchronization functions for all of the devices in the network.
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VoIP and IP Telephony (510 suppliers)

VoIP and IP telephony allows PC users to make phone calls over the Internet or other packet networks via gateways and standard telephones.
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Wireless Modems (646 suppliers)

Wireless modems transmit modulated data using electromagnetic waves.
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Wireless network components are used to build or replace worn out devices within a wireless network.
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