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TS3USB30: TS3USB30能用作Ethernet lan switch吗

Part Number: TS3USB30
Other Parts Discussed in Thread: TS3L110, TS3L100

TS3USB30之前都是用在usb上,做2选一切换用。现在产品上有了新需求,只有一个百兆phy,输出的百兆网要对接电脑,同时预留一个调试网口,相当于一分2,此时不想用交换机芯片。想用2颗TS3USB30做选择开关,切换收发两路差分pecl电平(mdi信号),请问这样做可行吗,速率上肯定是满足的,而且不是频繁切换,只有当需要调试的时候才会切换通道,谢谢!下图为大致的示意图,在经过TS3USB30前都有变压器。