I have a Cisco GLC-LH-SM module in an ASR1002. This module claims to support both MMF and SMF, and I'm trying to use it with SMF. As far as I can tell, my cables and connections are good, but my ...

A couple of purchases (and days) later, I had new-to-me networking cards and active optical DACs to replace the copper wires ...

Like the move from GBIC to SFP the move from Xenpak to SFP+ seems inevitable, but currently there are four standard modules / form-factors available.

Siemon, a leading global network infrastructure specialist, has announced the African launch of its SFP+ copper twinax direct-attach cables that are programmed for compatibility with Cisco equipment.

SFP-DD Multi-Source Agreement Group has updated its 5.0 hardware specifications and drawings for the SFP-DD, SFP-DD112, and SFP112 pluggable modules.