On July 8, 2020 11:39:29 AM EDT, Valeri Galtsev <galtsev@xxxxxxxxxxxxxxxxx> wrote:
>
>
>On 2020-07-08 10:23, Leroy Tennison wrote:
>> I've used one on a Linux laptop, it "just worked" but the OS wasn't
>CentOS 7.
>>
>
>It is not clear if you used USB from APC UPS to USB port on the machine
>
>side or USB - to - "serial". USB to USB with standard USB cable will
>work.
>
>If one uses serial to USB adapter on the machine side (to create serial
>
>port through USB on the machine), then one _has_to_use_ APC cable: as
>John Pierce just said, it is APC special cable which though has serial
>connectors on both sides of cable, (and uses serial protocol of
>communication - this is already what I am saying), it does not resemble
>
>neither serial nor null-modem cables.
>
>Valeri
>
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>> Subject: [EXTERNAL] USB-serial adapter for CentOS 7
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>> I need to connect an older APS UPS unit to a machine running CentOS
>7. Unfortunately the UPS only has a serial port whereas the computer
>does not. I am aware that there are USB-serial adapters but that the
>hardware or the drivers might fall short of expectations.
>>
>> Does anyone have positive experience with such an adapter? Or,
>conversely, would recommend avoid a particular adapter?
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>> Leroy Tennison
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I believe I mentioned that the UPS has the serial port, the computer thus has USB.
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