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PHY and optical module interface circuit - Indzawo Optic Connect [PDF]
This design guide is intended to assist in the circuit design and board layout of the DP83865 Gigabit Ethernet physical layer transceiver. This design guide covers the following subjects:
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Overview The QSFP-DD, QSFP, and SFP transceiver modules are hot-swappable and connect the electrical circuitry of the system with an optical external network.
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Figure 3-7 shows an example schematic for a connection between an optical interface and one channel of the Ethernet PHY. Component details are shown in table 3-2 below.
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Learn the roles of Ethernet MAC and PHY in networking. Understand how LINK-PP''s optical modules and magnetic RJ45 connectors support Ethernet interfaces.
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The ToR switch routes the frames and the optical module converts the medium from electrical to optical by implementing both electrical and optical PHY functions.
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Figure 1. Ethernet PHY System Block Diagram These are the three things you should know about Ethernet PHY: 1. It is a transceiver that is a bridge between the digital world – including processors,
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Modules such as Gigabit Interface Converter (GBIC) can be plugged into an Ethernet-based system that contains GBIC receptacles. Other modules, such as Small Form-Factor Pluggable (SFPs) defined by
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Challenges in Optical PHY Layout and Routing The graphic below shows the high-level topology of a multi-lane Ethernet interface that would be found in networking equipment. This
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Class Topics System and design issues relevant to high-speed optical interconnects Channel properties Modeling, measurements, communication techniques Optical interconnect circuits Drivers, receivers,
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A. Pin Assignment & Description B. Recommended Interface Circuit C. Package Outline D. SFP Transceiver Host Board Mechanical Layout E. Electrical Connector Mechanical Layout F. Connector
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Summary Ethernet PHY chips and optical transceivers form an inseparable pair in the high-speed physical layer of networks. PHY chips encode, modulate, amplify, and equalize electrical
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