SFPs are covered under a Multi-Source Agreement (MSA), which details this information. I don't know if the linked document is the final or latest agreement. Theoretically, all the MSA compliant SFPs should operate in all equipment, but some SFPs may not be supported by the data equipment manufacturer due to other reasons (EMI, heat profile, profit, etc).
The MSA spec indicates 3.3v (+/- 5%) with 300mA max supply current. It is possible that Cisco may have tigher operating tolerances, because they will only support Cisco certified optical modules in their equipment.
This document gives several answers on frequently asked questions for PFRv3 channel state behavior.
Q1: What are all the channel operational states from a BR (border role) perspective and what are the rules/conditions to be in each st...
The need was to reach an host inside a LAN through a VPN connection managed by the LAN gateway (Cisco 1921).
The LAN gateway performs NAT and there was a dedicate nat rule for the host i wanted to reach through VPN.
I couldn't connect to the hos...
We have 3 identical switches configured by someone else and would like to claim some of the Gigabit ports(G1/G2/G3/G4) for use on servers. When we try to change the wiring and configuration, we run in to connectivity issues. Attached is a des...