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|Angled physical contact (APC) connector||
A single-mode optical-fiber connector whose angled end-face helps to ensure low mated reflectance and low unmated reflectance. The ferrule is polished at an angle to ensure physical contact with the ferrule of another APC connector.
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|Angular misalignment loss||
The loss of optical power caused by deviation from optimum alignment of fiber-to-fiber. Loss at a connector due to fiber angles being misaligned because the fiber ends meet at an angle.
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Final jumper connecting onto an antenna.
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|Aramid strength member||
The generic name for Kevlar
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|ARCnet (Attached Resource Computer network)||
Developed by Datapoint, a relatively low-speed form of LAN data link technology (2.5Mbps, in which all systems are attached to a common coaxial cable or an active or passive hub). ARCnet uses a token-bus form of medium access control; only the system that has the token can transmit.
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Provides additional protection for cables against severe, usually outdoor, environments. Usually consists of plasticcoated steel corrugated for flexibility; see also interlock armor.
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|ARP (Address Resolution Protocol)||
The method for finding a host
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A table used by the ARP protocol on TCP/IP-based network nodes that contains known TCP/IP addresses and their associated MAC (media access control) addresses. The table is cached in memory so that ARP lookups do not have to be performed for frequently accessed TCP/IP and MAC addresses.
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A connector designed for use with multiple optical fibers; see also MPT and MPO connectors.
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|Asymmetric Digital Subscriber Line (ADSL)||
Sometimes called Universal ADSL, G.Lite, or simply DSL. ADSL is a digital communications method that allows high-speed connections between a central office (CO) and telephone subscriber over a regular pair of phone wires. It uses different speeds for uploading and downloading (hence the Asymmetric in ADSL) and is most often used for Internet connections to homes or businesses.
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