[Nut-upsuser] APC Back UPS?

David Melik davidnchmelik at gmail.com
Fri Dec 28 06:24:40 GMT 2018


On 12/27/18 8:09 AM, Charles Lepple wrote:
> If you leave off the "-d 051d:" part, do you see anything in the 
> listing that looks like it could be the UPS? (The 051d vendor ID is 
> for the vast majority of APC UPS models, but we have seen a few other 
> IDs here and there - mostly from acquisitions.)
>
> For instance, this is what one of my development boxes shows for a 
> Smart-UPS C1000:
>
> [...]
>
> Another thing to try is to unplug the USB cable, run something like 
> "dmesg -w" ("-w" to follow the output; otherwise just run "dmesg | 
> tail" afterwards) and see if you see any messages about new USB 
> devices after you re-insert the USB cable. If the Linux kernel can't 
> see the device, neither can NUT.

It's not detected at all.  I should have said that at first.

>> Maybe it's not a standard ethernet-to-UPS cable?
>
> That's Ben's point - either it is actual Ethernet (usually found on an 
> add-on UPS SNMP monitoring card, where the jack typically has two 
> status LEDs, one on either side of the notch for the modular plug tab) 
> that needs to go to another Ethernet jack on a NIC or a switch, or it 
> is a proprietary APC cable that vaguely resembles an Ethernet cable on 
> one end. (I was incorrect when I said 8P8C before - MGE uses 8P8C 
> modular jacks for similar USB/serial proprietary cables.)
>
> It might be this 10-pin modular connector: 
> http://pinoutguide.com/UPS/apc_usb_cable_pinout.shtml

On 12/27/18 8:17 AM, Charles Lepple wrote:
>>
>>> Maybe it's not a standard ethernet-to-UPS cable?
>>
>> That's Ben's point - either it is actual Ethernet (usually found on 
>> an add-on UPS SNMP monitoring card, where the jack typically has two 
>> status LEDs, one on either side of the notch for the modular plug 
>> tab) that needs to go to another Ethernet jack on a NIC or a switch, 
>> or it is a proprietary APC cable that vaguely resembles an Ethernet 
>> cable on one end. (I was incorrect when I said 8P8C before - MGE uses 
>> 8P8C modular jacks for similar USB/serial proprietary cables.)
>>
>> It might be this 10-pin modular connector: 
>> http://pinoutguide.com/UPS/apc_usb_cable_pinout.shtml
>
> Correction to my correction: apparently APC uses both 8-pin and 10-pin 
> modular jacks.
>
> The SmartUPS C1000 has a 10-pin jack labeled serial (and the 
> industry-standard USB Type B jack for USB, hooray), but for your 
> models, a few images online seem to show an 8-pin jack labeled "data 
> port" for the BackUPS Pro 1000 and BackUPS NS 1080.

But these eight-pin ones aren't actually ethernet?  If not, I hope APC 
sells extras...



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