# rack power ![](https://i.imgur.com/SRYIue0.jpg) ![](https://i.imgur.com/5FtQVTU.jpg) ![](https://i.imgur.com/XGNj6YE.jpg) ![](https://i.imgur.com/og3KKB9.jpg) ![](https://i.imgur.com/WVxBjNZ.jpg) ![](https://i.imgur.com/jJTzi0i.jpg) ![](https://i.imgur.com/Z5jQKbg.jpg) ![](https://i.imgur.com/bsg0ahc.jpg) ![](https://i.imgur.com/EcTWzKa.jpg) ![](https://i.imgur.com/MESc4nM.jpg) red socket-220V-Phase–Earth ![](https://i.imgur.com/KV9dkyx.jpg) red socket-220V-Neutral–Earth ![](https://i.imgur.com/ynsKE56.jpg) red-220V-Phase–Neutral ![](https://i.imgur.com/IVC66Nf.jpg) white-rack-110V-Phase–Earth ![](https://i.imgur.com/5bValJr.jpg) white-rack-110V-Neutral–Earth ![](https://i.imgur.com/Jvxc1PI.jpg) white-rack-110V-Phase–Neutral ![](https://i.imgur.com/HB4YFgK.jpg) ![](https://i.imgur.com/0jMVXDD.jpg) ISP modem ![](https://i.imgur.com/82X6kCZ.jpg) ![](https://i.imgur.com/5YLKssD.jpg) ISP modem power adapter ![](https://i.imgur.com/20Qdikc.jpg) UPS does not power on ![](https://i.imgur.com/Rs5DRIh.jpg) the ISP modem is hang ![](https://i.imgur.com/vOkA4dP.jpg) cable D52 is too short ![](https://i.imgur.com/nmBGjd1.jpg) ![](https://i.imgur.com/t2asnyy.jpg) * the cable is mass * but the devices do not connect to the UPS * the client IT said the will check UPS, they need to fix the UPS or replace it. * the devices are on the RAW power