[AusNOG] Acceptable dBM loss over SM cross connect in a datacentre

[Ramsay, Paul]

Maybe check whether there are any optical attenuators fitted somewhere along the Tx and Rx paths.

From: AusNOG [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Robert Hudson
Sent: Friday, 28 August 2015 3:31 PM
To: ausnog at ausnog.net
Subject: [AusNOG] Acceptable dBM loss over SM cross connect in a datacentre


Hi all,

What level of loss should I accept on a single mode cross connect in a DC?

I have a dark fibre link measured as <4dBm end-to-end over a 13km run, but am seeing 19dBm switch-to-switch in both directions.

Thanks!

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