DETAILS: Unity Express UPS Simple Signaling Cable is a UPS serial interface cable that provides direct communication between UPSs and desktops, workstations, and servers. Product Description APC Simple Signaling serial cable Type: Serial cable Connector(s): 1 x 9 pin D-Sub (DB-9) Connector(s) (Other Side): 1 x RJ-45 - male ALTERNATE ITEM #: AP9840 UPC: 0731304223306