The GRAND STREAM GS-12V-PSU is a replacement or spare power supply designed for specific Grandstream IT hardware. This unit provides the necessary 12V-0.5A power for compatible devices, ensuring continued operation and connectivity. Compatible models include the GXP2130, GXP2135, and GXP2160 IP phones, as well as the GXV3500 IP video encoder/decoder. Additionally, it supports HT502, HT503, HT701, HT702, and HT812 ATAs. This power supply addresses common issues such as power loss due to damaged cables or adapter failure, minimizing downtime for critical communication and video systems.