Cisco Switches vs. Dell Switches

As we all knew, Cisco is the best brand of Networking devices. It provides a large scale of switches to meet various customers’ needs. For Dell, you may say “I only know that they have servers and storages”! However, Dell…
The Types Comparison of SFP and QSFP

The small form-factor pluggable (SFP) is a compact, hot-pluggable network interface module used for both telecommunication and data communications applications. We always see them in those SFP slot of routers, switches, and others. Both of SFP and QSFP have the…
PoE vs. PoE+ vs. UPoE (PoE++)

We know that some of small network devices can be powered by ethernet, that is, we say PoE. Now there are not only PoE and PoE+, but also UPoE. What are their differences? Power over Ethernet or PoE describes any…