Hello. I'm choosing SFP for cisco 3750-X. In datasheet for GLC-BX-U(D) min transmit power is -9 dBm, min receive power is -19.5 dB. So max insertion loss in channal is about 10.5 dB. But in this datasheet it's just 5.5 dB for GLC-BX-D and 6 dB for GLC-BX-U. In that case, what max loss is right?
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