What is an SFP+ cable, and what's it actually used for?
An SFP+ "DAC" (Direct Attach Connector) cable is a twinax cable that has electronic transceivers built into both ends, which takes the place of two transceivers plus a discrete (usually fiber optic) cable. The DAC is cheaper than the two optical transceivers plus fiber patch cable, and works just as …
10G SFP+ or RJ45 Copper? : r/homelab - Reddit
2021年6月28日 · SFP+ modules are active devices, and have their own firmware for communicating with the host adapter or switch. Don't worry, you don't have to worry about updating firmware, but what you do need to pay attention to is what device you're connecting to, as there is a LOT of vendor lock-in. Cisco, Juniper, and Intel devices all want firmware for ...
SFP+ Cable recommendations : r/Ubiquiti - Reddit
2020年5月4日 · Unless you’re using some fancy brand like Cisco, you don’t need a special SFP+ modules. Look for the 10Gtek ones, they work well with a lot of manufacturers and have a good reputation.
What is the real power consumption SFP+ vs RJ45? - Reddit
2022年12月12日 · Well the maximum power draw doesn't say anything about the actual power draw it just gives us a ceiling. Sfp ports usually use around 0.7 Watt, whereas RJ45 needs 2-5 Watts per port, depending on the length of the cable. Thus the tp-link is much more likely to reach the 30W max. power draw than the ubiquiti. Two things to keep in mind: The power …
Mellanox ConnectX-4 CX4121A-ACAT compatibility with SFP
2024年2月22日 · Been using a Mikrotik S+RJ10 SFP+ module with my ConnectX-3 MCX311A-XCAT for while now and it's been fine, but just got a ConnectX-4 MCX4121A-ACAT and it seems to not like that one.
Does Frontier Fios support XGS-PON SFP+? : r/frontierfios - Reddit
2023年3月9日 · Short answer to does "Frontier FTTP equipment support XGS-PON SFP+ onts" is yes. The longer answer is Not at this time because they don't stock them "yet?" and will not activate customer owned/provided ONTs.
RJ45 to SFP+? Does this setup work? : r/HomeNetworking - Reddit
2021年3月29日 · SFP+ transceivers with an RJ45 that support 1000BASE-T (and 10GBASE-T) do exist, but may not be supported by all switches/NICs with SFP+ ports. Even though the physically fit, many switches and NICs will only support transceivers manufactured by the same company as the switch/NIC. Some switches/NICs will work with unsupported transceivers.
Unifi Dream Machine SFP+ Question : r/Ubiquiti - Reddit
I understand that the Dream Machine Pro has an SFP+ port for a 10G connection but the Switch I've purchased only has a 1G connection. From recent posts I've read in this subreddit, there appears to be some vagueness on whether or not the Dream Machine Pro will support backward compatibility from 10G to a 1G connection. My plan was to purchase UDM's Copper Cable link …
Can SFP+ handle 2.5gbps? : r/HomeNetworking - Reddit
2023年8月15日 · Yes sfp+ can easily handle 2.5g, but it really depends if 2.5gig is implemented on the device. My router with sfp+ only will negotiate 1g or 10g. So ymmv.
And benefit with DAC vs SFP+ : r/Ubiquiti - Reddit
2023年3月6日 · To connect an SFP+-capable switch to an SFP+-capable router, use a DAC cable. Same for SFP+-capable switch to SFP+-capable switch However DAC cables are kinda stiff and might not always dress-up the way you want them to. In that case, I would go with MMF or SMF fiber optic transceivers before I would go with RJ45 transceivers.