Data transmission system, small form factor pluggable transceiver, and method for modifying same

A transmission system and transceiver technology, applied in the field of electronic avionics systems, can solve the problems of not including SFP transceiver welding, expensive, etc.
CN111830643AActive Publication Date: 2020-10-27THE BOEING CO
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
THE BOEING CO
Publication Date
2020-10-27

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Abstract

The disclosure relates to a data transmission system, a small form factor pluggable transceiver, and a method for modifying the same. A method for modifying a low-cost small form factor pluggable optical-electrical bidirectional transceiver (hereinafter "SFP transceiver") by converting the SFP transceiver (2) into a dual-in-line package. Such conversion enables the SFP transceiver (2) to be soldered directly on a printed circuit board (30) of a line replaceable unit of an avionics system, thereby eliminating the concern that the SFP transceiver (2) may become detached due to vibration during aircraft operation. The method also includes a sealing process to protect contact pads (24) on the SFP transceiver (2), thereby eliminating any concern that the contact pads (24) could corrode due to long-term moisture and humidity exposure. The product of the method is a ruggedized SFP transceiver (1) capable of withstanding the rigors of operating in a harsh avionics environment onboard an aircraft (102).
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Description

technical field

[0001] The technology disclosed herein relates generally to fiber optic networks that enable communication between electrical components. In particular, the technology disclosed herein relates to electronic avionics systems interconnected by an optical avionics data bus. Background technique

[0002] For high-speed avionics data networks, the use of fiber optic cables instead of electrical wiring results in significant reductions in weight, cost, electromagnetic effects, and complexity of electrical wiring integration. In modern aircraft, field replaceable units (LRUs), such as avionics computers and sensor units, typically include a housing that houses a transceiver for enabling fiber optic communication with other LRUs. Fiber optic connectors on the LRU housing enable external fiber optic cables to be connected to the LRU.

[0003] More specifically, each LRU connected to the optical avionics data bus typically includes an opto-electronic media converter ...

Claims

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