1x9光模块,单发单收和单纤双向的区别,详细点,1x9光模块大多用在什么上面
光端机,收发器,分别用的是哪种。
推荐回答(3个)
1*9光模块主要是百兆上应用,光端机、收发器等上大量采用。
从字面上就很容易理解单发和单收,不过一般的是双纤型的,两个光口一发一收。
单纤双向是指用同一根光纤实现收发,只用一个光口,内部采用波分实现双向传输。
光端机、收发器一般都是用双纤型的光模块,也有特殊需求用单纤双向的。
单收单发模块是把收发功能分开了,一对模块,一只负责发送 Tx,另一只负责接收 Rx;
单纤双向模块仍然是收发一体的光模块,采用了WDM技术,通过一根纤传输的时候,两端同时接收和发送,一般会分AB端,A端波长T1310/R1550NM,B端就必须是T1550/R1310NM;
收发器一般用155M和1.25G的多,光端机除了常规的1x9模块,还会用到非对称的,比如:1.25G/84M、1.25G/155M等;
光特通信可以提供全系列的1x9光模块,包括0-2M超低速的,单收单发,非对称的、、、
1x9光模块从传输功能可分为单发单收光模块和收发一体光模块。
单收单发光模块采用TOSA或ROSA组件实现发送或接收功能。此类光模块只具接收功能或发送功能。
单纤双向是一种技术,采用BOSA组件实现收发一体功能。即此类模块将接收功能和发送功能融为一体,实现双向传输。
1x9数字光模块通常成对使用,其作用就是光电转换,发送端把电信号转换成光信号,通过光纤传送后,接收端再把光信号转换成光信号。
它普遍应用于基站、直放站、交换机、路由器、光纤收发器、光端机等设备上。
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