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Forum Discussion
APC Back-UPS XS 1300 LCD with ReadyNAS Pro 2
I originally tried connecting my APC Back-UPS XS 1300 LCD to my ReadyNAS Pro 2, but the cable I was using was a male USB to female USB with a USB to RJ-45 adapter connected to it.
My understanding now is that the RJ-45 to USB adapter is essentially useless because RJ-45 actually has different electrical requirements or something, and I suspect this is the reason why my UPS never showed up as connected or functioning in ReadyNAS Frontview.
Can anyone confirm that the APC Back-UPS XS 1300 LCD is compatible with the ReadyNAS Pro 2?
And can anyone recommend a place that I can buy a proper USB to RJ-45 data cable to connect my UPS to my NAS?
Private messages are fine if links are not allowed.
Thank you for your time everyone. I appreciate it.
My understanding now is that the RJ-45 to USB adapter is essentially useless because RJ-45 actually has different electrical requirements or something, and I suspect this is the reason why my UPS never showed up as connected or functioning in ReadyNAS Frontview.
Can anyone confirm that the APC Back-UPS XS 1300 LCD is compatible with the ReadyNAS Pro 2?
And can anyone recommend a place that I can buy a proper USB to RJ-45 data cable to connect my UPS to my NAS?
Private messages are fine if links are not allowed.
Thank you for your time everyone. I appreciate it.
12 Replies
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StephenB wrote: fastfwd: I think you are confusing RJ45 with ethernet in the first part of your post (edit).
It was more like using the OP's terminology to avoid having to explain too much... But you're right; I probably should have bitten the bullet and explained that the 8P8C connectors that are described in the RJ45 standard are so commonly used to terminate twisted-pair Ethernet cables that an "X-to-RJ45" adapter is undoubtedly not actually that, but really an X-to-Ethernet-over-twisted-pair-terminated-with-an-8P8C-connector adapter. So his USB-to-RJ45 adapter is trying to translate between USB electrical signals carrying CDC protocol and 100BASE-TX electrical signals carrying Ethernet protocol. And with or without the explanation, he doesn't need or want that; he just needs a USB cable that's terminated in the right kind of plug, with the USB wires connected to the right pins of that plug.
Agreed. Either the real APC cable or a knockoff.fastfwd wrote: StephenB wrote: ...And with or without the explanation, he doesn't need or want that; he just needs a USB cable that's terminated in the right kind of plug, with the USB wires connected to the right pins of that plug.
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