PSM4光模块与CWDM4
时间: 2024-04-25 08:21:23 浏览: 86
光模块有什么区别?它们适用于哪些场景?
回答: PSM4光模块和CWDM4光模块是两种不同的光模块,它们有一些区别和适用场景。PSM4光模块采用MPO接口,通过4条接收和4条发射通道并行传输,最远传输距离为10KM。它适用于需要较长传输距离的场景,可以弥补其他传输距离较短的光模块的不足。\[1\]而CWDM4光模块具有更低的成本和更长的传输距离,采用CWDM DFB激光器,只需要2根单模光纤。它适用于需要较高性价比和较长传输距离的场景。\[2\]\[3\]因此,在选择PSM4光模块和CWDM4光模块时,需要根据具体的互连距离和成本要求来决定使用哪种光模块。
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