The Cisco IW-PWRADPT-MFIT Series Power Supply is an outdoor single-phase AC/DC, 60-Watt output external wide temperature range power supply with a DC voltage output of 48V. It operates between 90VAC to 264 VAC and 135VDC to 370VDC. This guide provides instructions for mounting the unit. It details the product overview, unpacking, AC and DC cable assembly, technical and mechanical specifications, and mounting procedures using screws or threaded posts. The document also includes regulatory information regarding FCC compliance.