These were pulled from a working environment because of an upgrade.
Each unit is individually tested and factory reset to the LG First Use Wizard before shipment.
No A/C adapter, TESTED AND RESET TO FACTORY DEFAULTS. These units will boot to the 2nd picture shown and then on to the 3rd picture.I found a compatible power supply in 2 different location, search:19V AC Adapter for LG EAY62790007 EAY62790006 EAY6254949301 EAY62710704 ADS-40FSG-19 19032 22M45 E2249 E1948SX W1947CY E2250T W2286L E2242C-BN IPS277L-BN 27EA33V D2343P IPS236V-PN D2792P
The LG STB-6500-UA is a commercial-grade Pro:Centric SMART IPTV set-top box. Powered by webOS 5.0, it allows businesses—such as hotels and sports bars—to deliver customized IP and RF content, upscale video up to Ultra HD, and integrate third-party applications.
Key Features

• Pro:Centric Platform: Enables SI (System Integration) partners to customize the guest interface and control content delivery.
• Video Output: Supports UHD, Full HD, HD, and 1366x768px, with built-in upscaling.
• Smart Capabilities: Built-in Wi-Fi, Bluetooth, Screen Share, and Bluetooth Sound Sync.
• Expandability: Features an expansion side-connector for third-party modules, such as DOCSIS 3.0 cable modems.