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	Optical wavelength division multiplexer for high speed, protocol-independent serial data sources
	CHOY, MICHAEL M.; GREEN, JR., PAUL E.; HALL, WILLIAM E.; JANNIELLO, FRANK J.; KRAVITZ, JEFF K.; LIU, KAREN; RAMASWAMI, RAJIV; TONG, FRANKLIN F.
	1996-01-23
著作权人	IBM CORPORATION
专利号	US5487120
国家	美国
文献子类	授权发明
其他题名	Optical wavelength division multiplexer for high speed, protocol-independent serial data sources
英文摘要	A wavelength division multiplexer (WDM) unit (12) includes a plurality of Input/Output cards (IOCs 14). Each IOC is bidirectionally coupled to I/O specific media (fiber or copper) and to two coaxial cables. Also bidirectionally coupled to the coaxial cables are a plurality of Laser/Receiver Cards (LRC 20). The interface between the IOCs and the LRCs is an Emitter Coupled Logic (ECL) electrical interface that is conveyed over the coaxial cables. Each LRC is bidirectionally coupled by two single mode fibers to an optical multiplexer and demultiplexer, embodied within a grating (24). An input/output port of the grating is coupled to a fiber link (28) that enables bidirectional, full duplex data communications with a second WDM. Each WDM also includes a Diagnostic Processor Card (DPC 28) that receives status signals from the IOCs and LRCs, that forwards the status signals on to an external processor, and which generates control information for the IOCs and LRCs.
公开日期	1996-01-23
申请日期	1994-02-09
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/36180]
专题	半导体激光器专利数据库
作者单位	IBM CORPORATION
推荐引用方式 GB/T 7714	CHOY, MICHAEL M.,GREEN, JR., PAUL E.,HALL, WILLIAM E.,et al. Optical wavelength division multiplexer for high speed, protocol-independent serial data sources. US5487120. 1996-01-23.

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