LX sfp minimum range

Pierre-Yves Maunier nanog at maunier.org
Thu Jan 26 16:32:56 CST 2012


2012/1/26 Pierre-Yves Maunier <pierre-yves at maunier.fr>

>
>
> 2012/1/26 Holmes,David A <dholmes at mwdh2o.com>
>
> I have found that -5dB or -10dB attenuators must be used on the send or
>> receive strands between Cisco LX connected switches at relatively short
>> distances of < 1 km over standard singlemode fiber.
>>
>> Other Vendors' SFPs rated up to 25 km do not need attenuators at
>> distances <1 km.
>>
>
> Cisco standard LX TX between -3dBm and -9dBm
> RX sensitivity is from -9dBm to -19dBm
>

Oups typo, RX from -3 dBm to -19 dBm

-- 
Pierre-Yves Maunier


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