Cisco 2690 switch w optical fibre connection

[frednork]

Further Information: 

Cisco switch with 8 regular ports and 1 fibre port.

This switch series was the first that was called out as improving audio. Lots of info here. https://audiophilestyle.com/forums/topic/56620-discussion-of-cisco-catalyst-2960-series-switches-and-miscellaneous-chatter-about-sfp-modules-started-with-ot-posts-from-etherregen-thread/?do=findComment&comment=968099