Reddit reviews APC USB cable ( AP9827 ),Black

Some quick googling shows it might be a signaling cable for a APC UPS.

https://www.amazon.com/APC-AP9827-USB-cable/dp/B0002WYJSU

Some APC battery backups come with these


Edit:

"Description
UPS serial interface cables that provide direct communication between UPSs and desktops, workstations, and servers."

https://www.amazon.com/APC-AP9827-USB-cable/dp/B0002WYJSU

It could be an APC USB Cable. They are used to connect an APC battery backup to a computer so it can shut itself down safely after a power loss, and also to monitor the status of the backup.

You can disguise it so it doesn't look out of place:

http://www.amazon.com/gp/product/B0002WYJSU/ref=pd_lpo_sbs_dp_ss_3?pf_rd_p=1944687522&pf_rd_s=lpo-top-stripe-1&pf_rd_t=201&pf_rd_i=B004QBAAAY&pf_rd_m=ATVPDKIKX0DER&pf_rd_r=1JE0N9J7M0KB2CV3JH7T

Anything I can do to help, it took me a rather long amount of time to narrow down exactly how to get mine to be functional! (The APC PDUs are pretty similar, just with a different cable.)

This is the cable

Here's a quick guide

Is it this cable?

https://www.amazon.com/APC-AP9827-USB-cable/dp/B0002WYJSU

My UPS came with a cable like that.