This AudioCodes Mediant 1000B Power Supply Module is designed for use with the M1KB-MSBG1 model. It is compatible with AudioCodes brand products and is part of the Mediant product line. This module is ideal for use in enterprise networking, servers, and switches, and is perfect for those looking for a replacement or spare power supply. It is easy to install and use, and is a reliable choice for ensuring your AudioCodes device is operating at its best.