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JCAT NET Card FEMTO


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#341 ho5456

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Posted 17 March 2020 - 06:17 PM

Hi.   I received jplay net card last week and m2 -> pcie riser cable today, and all working ok in my nuc (control pc) :).  Just want to check my settings look optimal, if I may:

 

Currently control ip is 192.168.0.25, audio ip is 192.168.1.36, and my router (used exclusively for bubble) is 192.168.0.42

 

Questions: For the router's IP, would it be best to use the second adapter of the JP net card, the nuc's adapter (219LM) or just try both for SQ?  And good idea to bridge?  Thanks a lot.

 

 

NB: There's a cisco 2960CG between both nucs. My library is via local storage (usb) on control pc.



#342 Thuan

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Posted 17 March 2020 - 09:41 PM

Congratulations on getting the best sounding network card. ControlPC (your NUC) must have two IPs, what is the 2nd IP? Since AudioPC IP is 192.168.1.36, the 2nd IP of controlPC better be 192.168.1.xx.

I use the integrated net adapter as it’s PPA OCXO clocked. You should try both, on-board and JCAT Femto’s 2nd port, and decide which gives better SQ. I've never bridged so have no experience here.
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#343 ho5456

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Posted 17 March 2020 - 10:43 PM

Finally got it after three years ...better late than never I guess  :) .

 

ControlPC (your NUC) must have two IPs, what is the 2nd IP

 

As mentioned, the two IP's on my control pc are 192.168.0.25 for femto and 192.168.0.42 (either integrated adapter or second adapter of net card) for the router to remote device, which appears to be what you've done? 

Since AudioPC IP is 192.168.1.36, the 2nd IP of controlPC better be 192.168.1.xx.

 

Sorry, that was a typo, I should have written 192.168.0.36 for the audio pc IP.  That would make all three IP's on the same subnet though.

 

By the way, I haven't actually set anything up yet, so any advice is appreciated



#344 Thuan

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Posted 18 March 2020 - 01:38 AM

I’d put them in different subnets. Power the JCAT card with an external and decent quality PSU. DC cables make a difference. Optimize network adapter per supplied instructions. Ethernet cables make a difference, so do switches. JCAT network cards on both PCs make a difference.
WS2019 core, AO3 (1A/2D), JPLAY/JCAT XE/iOS, ES/TC, Xeon CPU, Industrial ECC RAM, Gustard X26, Singxer SU6, Linkwitz Pluto 2.1+

#345 Marcin_gps

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Posted 18 March 2020 - 09:04 AM

Hi.   I received jplay net card last week and m2 -> pcie riser cable today, and all working ok in my nuc (control pc) :).  Just want to check my settings look optimal, if I may:

 

Currently control ip is 192.168.0.25, audio ip is 192.168.1.36, and my router (used exclusively for bubble) is 192.168.0.42

 

Questions: For the router's IP, would it be best to use the second adapter of the JP net card, the nuc's adapter (219LM) or just try both for SQ?  And good idea to bridge?  Thanks a lot.

 

 

NB: There's a cisco 2960CG between both nucs. My library is via local storage (usb) on control pc.

 

You may try with 2nd adapter for router, but connecting both to JCAT NET is also a good idea. 

Just type 192.168.0.25 femtoServerIPaddress entry in regedit under Computer\\HKEY_LOCAL_MACHINE\Software\JPLAY7 key.

Restart JPLAYfemto service or reboot afterwards. 
 
Enjoy :)
 
Regards, 
Marcin

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#346 DC

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Posted 22 March 2020 - 02:05 PM

 

Hi Guys, 

 

I have a favor to ask you who have used the cards, please leave a review and star rating on the Polestar platform. 

 

Here is the link: https://audiophilest...o-reviews-r284/

 

Thank you in advance!  :)

 

Best regards,

Marcin 

 

Just done...  ;)


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#347 Marcin_gps

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Posted 23 March 2020 - 10:14 AM

Just done...  ;)

Thank you!  :)


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#348 bodiebill

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Posted 04 April 2020 - 05:24 PM

Two net card FEMTO newbie questions (mine is now en route from Poland to The Netherlands):

 

First my current setup:

 

modem/router => MikroTik switch => fiber => Intel fiber dual NIC => server PC

MikroTik switch => CAT6 => audio PC with NAA

 

Before everything was fiber, but I prefer the sound with copper downstream.

 

Currently both control and audio PC's are Linux.

 

(1) I was planning to mount the net card FEMTO in the audio PC. Is that the way to go? Or does anyone advise to put it in the control PC (which is another room, optically isolated)?

 

(2) Assuming I put it in the audio PC, and given that the control PC has an Intel dual SFP NIC + stock RJ45 NIC, how would I go about bridging?

 

Any advice welcome!


xigmanas or local hd => Streacom FC8 PC i7 16GB RAM Windows 10, Audirvana+ / HQPlayer => optically isolated ethernet => either DSD256 => renderer HDPlex H1.S i3 8GB RAM powered by SBooster 19V with GentooPlayer (Linux), mpd+upmpdcli or NAA, ramdisk => Regen USB=> Lush^2 => SOtM tX-USBhubEX => Lush^1 => Lampizator Lite 7 Amanero or PCM 176kHz => i5 8GB Server 2016 core, AO, FP, JPLAY FEMTO => Regen USB => Lush^2 => SOtM tX-USBhubEX => Lush^1 => Audiophilleo 1 => Audio Aéro Prestige => Lightspeed Attenuator => power amp Cayin A-88T (modified) => speakers Spendor SP100 + 2x REL T5  / Taket H2 + TR2 / Hifiman HE-6; HDPlex LPSU


#349 Marcin_gps

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Posted 06 April 2020 - 09:04 AM

I'd put it in the audio PC. I don't know how to bridge the ports under linux unfortunately. Please search on Audiophilestyle


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#350 zaurux

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Posted 08 May 2021 - 05:32 PM

About the external power supply: The card is powered by the PCI bus. If an external 5v cable is connected, the connector switches to the external source.
How can you be sure? If I disconnect even during playback... no bug.
And if we use the molex connector, the detection of a voltage cuts the pci power supply? 

ROON + HQP / Hdplex H3-i5 + 400ATX > Gustard A26 (DSD direct) > SQM > Benchmark AHB2 / Recital Audio Illumine 


#351 Marcin_gps

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Posted 09 May 2021 - 08:30 AM

 

About the external power supply: The card is powered by the PCI bus. If an external 5v cable is connected, the connector switches to the external source.
How can you be sure? If I disconnect even during playback... no bug.
And if we use the molex connector, the detection of a voltage cuts the pci power supply? 

 

You have to be sure, because that's how the card is designed. There are automatic switches on the card. As soon as the PSU is disconnected, the card switches to PCIe power. The proof should be in the listening. 

 

Regards, 

Marcin


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#352 zaurux

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Posted 09 May 2021 - 01:00 PM

You have to be sure, because that's how the card is designed. There are automatic switches on the card. As soon as the PSU is disconnected, the card switches to PCIe power. The proof should be in the listening. 

 

Regards, 

Marcin

 

Thank you for this answer Marcin.
I had a doubt because it works very well, connected to my HDPlex ATX 400 (5v output).
But it doesn't seem to work any less well connected to the 1A output of the Shanti on my Allo.
Which seems a bit low to me. 

ROON + HQP / Hdplex H3-i5 + 400ATX > Gustard A26 (DSD direct) > SQM > Benchmark AHB2 / Recital Audio Illumine 


#353 FelipeRolim

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Posted 17 January 2022 - 06:17 PM

Finally got two JCAT Net Card FEMTO, thanks to @Thuan. Now the FEMTO trio is complete and the result is impressive. I wonder what colleagues who switched to XE are experiencing, but for now my initial project is finished (after years!) and delivering an incredible result. I'm very satisfied, thanks also to @Marcin and his great dedication.


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- Speakers KEF Reference 203/2 with spikes;

- Schiit Freya preamp. (with Electro-Harmonix 6SN7 Gold-Pin tubes and Synergistic Research Orange Fuse) and Audio Research VS115 (with Tung-Sol KT120 and Svetlana 6H30 tubes and AMR Gold Fuse);

- DAC Ayre QB-9 192/24 + Furutech FI-03 ( R) + Synergistic Research Orange Fuse;

- Digital transport: the Control-PC is a dedicated computer with a Gigabyte H310N motherboard, a Intel Core i3-8100T processor, an Arctic Alpine 12 Passive Cooler, 16GB Corsair Vengeance DDR4 RAM 2400MHz, a JCAT Net Card FEMTO and 1TB Samsung 850 Pro SSD; the Audio-PC is a dedicated computer with a Gigabyte H310M M.2 2.0 motherboard, a Intel Core i3-9100T processor, an Arctic Alpine 12 Passive Cooler, 16GB Corsair Vengeance DDR4 RAM 2400MHz, a JCAT Net Card FEMTO and a JCAT USB Card FEMTO. Both computers use Windows Server 2019 Datacenter Core Mode (17763.737) with RAMdisk as Operational System, JPLAY FEMTO Alternative version, Minority Clean and Audiophile Optimizer v. 3.00 (1A in Control-PC and 4D in Audio-PC). Both also use hand made linear power supplies with a Furutech FI-06 ( R) NCF.

- Cables: Nordost Tyr (speaker), Nordost Valhalla XLR and Siltech 770i XLR (interconnects), Curious Evolved USB Cable, Nordost Valhalla Power Cable (DAC), Transparent PowerLink MM2 (power amp.), 2 x Purist Audio Design Canorus Praesto Revision Power Cable (power distributor and computers), Purist Audio Design Limited Edition Praesto Revision Power Cable (preamp.) and Jupiter Pure Silver Cotton Insulated (all internal wires from the computers).

- Acessories: Furutech GTX-D (G); Furutech GTX-D ( R) (x2); Sunrise Deep Line (x3); ebony spikes, carbon fiber bases; Nordost Qv2 (x3); acoustical and electrical reinforcements.


#354 Thuan

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Posted 17 January 2022 - 06:47 PM

Congratulations Felipe!  And sorry for transit delay.  Now you're ready to push the SQ even further by reaping the benefits of the latest MC/LE and soon incoming JPLAY iOS app.


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#355 Marcin_gps

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Posted 18 January 2022 - 10:37 AM

 

Thank you for this answer Marcin.
I had a doubt because it works very well, connected to my HDPlex ATX 400 (5v output).
But it doesn't seem to work any less well connected to the 1A output of the Shanti on my Allo.
Which seems a bit low to me. 

 

1Amp is definitely too low for the NET Card FEMTO. 

 

Regards, 

Marcin


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#356 TriAngle

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Posted 09 April 2023 - 05:27 PM

Does the JCAT Net Card FEMTO support "Wake On Lan"  WOL

I can't make it to work on my musicserver with Roon ROCK ?



#357 Marcin_gps

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Posted 05 May 2023 - 11:27 AM

Does the JCAT Net Card FEMTO support "Wake On Lan"  WOL

I can't make it to work on my musicserver with Roon ROCK ?

Sorry for my late reply. I missed your question. 

 

Yes, it should work, but you have to install drivers from Intel. This is for Windows OS.

 

However, with ROCK (linux based OS) it's a bit more complicated and you have to use console to make adjustments.

 

https://help.ubuntu....unity/WakeOnLan


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