UPS Communications Cable Smart Signalling 15' / 4.5m - DB9 to RJ45 - APC USA
USB 2.0 Cable - A-Male to B-Male for Akai APC Keyboard Controller (Specific Models Only) - 15 FT /IVORY - Walmart.com
ORIGINAL AP9827 SIMPLE SIGNALLING USB CABLE FOR APC BACK-UPS 940-0127B | eBay
APC's "Proprietary" USB Cable for $35 : r/assholedesign
Extension cable for connecting hardware to a UPS up to 16 A, 5 m length, ident.
How to build an APC U.P.S. data cable. | Page 2 | Hardware Canucks
APC 940-0024C Smart Signaling Serial Cable - Serial
Shop | StarTech.com 6 ft Smart UPS Replacement USB Cable AP9827 - USB cable - USB (M) to RJ-45 (10 pin) (M) - 6 ft - black - USBUPS06 - USB cable - USB to RJ-45 (10 pin) - 6 ft