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Questions tagged “passive-dac”

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RB4011 SFP+ port does not link with a passive S+DA0001 DAC: only active cables (S+AO0005) are supported

A MikroTik RB4011 connected with an S+DA0001 DAC to a CRS106-1C-5S and a CRS112-8G-IN (all default configuration apart from IP addresses) had no connectivity over the SFP link. The RB4011 SFP+ cage is documented to accept onyl active direct-attach cables, so a passive twinax between it and the two…

MikroTik passive-dac rb4011 s+ao0005 s+da0001
Russia netadmin RU asked
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1 answer
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Passive XS+DA0001 DAC between an RB3011 SFP port and a CRS309 SFP+ port only links after limiting advertised speeds

The poster wanted to use a MikroTik XS+DA0001 passive DAC between the 1G SFP port of an RB3011 and an SFP+ port of a CRS309 and asked whether a passive cable can bridge different SFP generations. The RB3011 SFP cage is 1G only while the CRS309 cage is SFP+ (10G), and a passive DAC has no active…

crs309 MikroTik passive-dac rb3011 xs+da0001
Russia netadmin RU asked