#612 in Computer networking products
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Reddit mentions of SFP+ DAC Twinax Cable, Passive, Compatible with Ubiquiti ES-48/ES-16-XG, 1 Meter(3.3ft)
Sentiment score: 3
Reddit mentions: 8
We found 8 Reddit mentions of SFP+ DAC Twinax Cable, Passive, Compatible with Ubiquiti ES-48/ES-16-XG, 1 Meter(3.3ft). Here are the top ones.
or
- 10GBase-CU, 1 Meter
- 2-pair differential twinax cable, Passive, EEPROM I2C
- Compatible with Ubiquiti ES-48/ES-16-XG
- 10Gtek's automatic assembly line, assures the consistency of manufacture under the process of laser cutting, aluminum shielding stripping, isolator stripping, automatic reshaping, automatic soldering and ultraviolet ray curing. Each DAC cables take the TDR & VNA measurement, guaranteeing passing the signal integrity test.
- We are a professional manufacturer and accept customized orders. If necessary, please contact us for customized SKU to meet your needs. Products will be shipped from China.
Features:
Specs:
| Color | x1 |
| Size | 1 Metre |
I've used a bunch of different DACs including this one.
What I'd say is that compatibility has improved, and most DACs at 1m are working. it's when you get above 1m where you get into trouble.
I also have a bunch of ConnectX-2 Mellanox and also Chelsio NICs working fine with cheap Finsivar transceivers i got for like $7 each off ebay.
Also got a 1Gbit transceiver working on it fine as a uplink to my gigabit switch. The trick with getting 1Gbit transceivers to work is to manually set the link to 1Gbit.
I got the switch in beta and it's working great. Only thing buggy is that only two of the 4 BASE-T copper ports work well for me, but that's fine for me, I got it for the SFP+ ports anyways. Super cheap Connect-X2 NICs available.
No, the ER-4 will only fit a certain way and it is not flippable to the other side. I recommend using DAC cables for short jumps. That's what you see from eth4 to the 16 port POE switch. It is a 1 meter DAC cable
https://smile.amazon.com/gp/product/B01LSGGUOY/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
You can also get a SFP Copper adapter that gives you a "normal" RJ45 jack, obviously much more expensive, but the patch cable is then a normal $1 cable: https://www.amazon.com/StarTech-com-Cisco-SFP-GE-T-Compatible-1000Base-T/dp/B007UR0CZE
Personally, I would just buy some 10G DACs like this one: https://www.amazon.com/10Gtek-SFP-H10GB-CU1M-10GBASE-CU-Passive-1-Meter/dp/B01LSGGUOY/ref=pd_lpo_vtph_147_tr_t_2?_encoding=UTF8&refRID=V68X5W7E0794MPDYGRY8&th=1
Those DACs are what I use to "stack" switches, including both 48-ports and 24-ports. Keeping a single DAC for 1G and 10G makes life easier and leaves an upgrade path for the future.
Does anyone here know if any of the 10Gtek DACs work? I'm getting mine on Tuesday any I've only got 10GBASE-T stuff to test out :(
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Direct Attach Copper all the way IMO. SFP+ will work with SFP ports just fine.
https://www.amazon.com/dp/B01LSGGUOY/ref=twister_B06XFXVQSD?_encoding=UTF8&th=1
Ubiquiti makes them as well:
https://store.ubnt.com/collections/accessories/products/unifi-direct-attach-copper-cable-10-gbps-1-meter
https://www.amazon.com/10Gtek-SFP-H10GB-CU1M-10GBASE-CU-Passive-1-Meter/dp/B01LSGGUOY/ref=sr_1_3?ie=UTF8&qid=1484091196&sr=8-3&keywords=sfp%2Bcable&th=1
2m cables. Some shorter old Dell SFP+ cables I had lying around work too.
https://www.amazon.com/10Gtek-Ubiquiti-Direct-Passive-1-Meter/dp/B01LSGGUOY/