The Ciena Network Switch Power Supply 20-60 VDC 170-0041-900 is a reliable and high-quality power supply unit designed specifically for networking equipment. With a voltage range of 20-60 VDC, it provides a steady and stable power source for switches and hubs in an enterprise networking setup. This product from Ciena is manufactured with the part number 170-0041-900, ensuring compatibility and efficiency for powering your networking devices. Ideal for businesses looking for a dependable power supply solution for their network infrastructure.