[Nut-upsuser] APC Back UPS?

Ben Kamen ben at benkamen.net
Thu Dec 27 17:44:51 GMT 2018

On 12/27/18 10:17 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.)

And I should have added similar commentary.

unless the UPS comes with known networking hardware, that 8P8C is probably not ethernet.

I should have added -- I have a Back-UPS 350 that has an 8P8C connector on it that plugs into USB.

it's a low-cost, non-network enable UPS. So I wouldn't have assumed it was ethernet. (knowing APC and the model).

But Cisco uses 8P8C connectors on their switches as a console plug too. (non-ethernet usage) and the phone company used them LONG before anyone for things like T1 lines.

>> 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.

Thanks for the additional info.



Ben Kamen - O.D.T., S.P.
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