NEW RS232 APC SMART UPS SERIAL CABLE - FOR SC420 MODEL | eBay
Network UPS Tools - APC's smart protocol
Network UPS Tools - APC's smart protocol
USB to RS232 AJ2.5 Console Cable 940-0299A USB Console Cable for APC UPS APC Management Card AP9630 AP9631 and AP9635, with FTDI Chip Built-in - Newegg.com
APC - serial cable - RJ-45 to DB-9 - 15 ft - AP940-1525A
Amazon.com: APC PDU Serial Cable 940-0144 DB9 to RJ12 Configuration Replacement Console 940-0144 Serial Cable AP7900, AP8841,9000 etc, Rack Metered PDU : Electronics
APC ProtectNet standalone surge protector for Serial RS232 lines (9 pin female to male) - PS9-DTE | APC USA
Network UPS Tools - APC's smart protocol
KVM-SERIAL Configuration Information and Assistance | APC United Kingdom