General Description 2-19Device IdentificationTo identify the device to be maintained among more than one device, ID lamp is used.The ID lamp is located on the CPU blade installed in the Blade Enclosure.The ID lamp allows you to identify the device subject to maintenance among more than one CPUblade installed in the Blade Enclosure.The ID lamp on CPU blade can also be made blink blue by proper software commands from themanagement PC on the network. In addition, pressing the ID switch on the CPU blade brings the IDlamp to light.You may use the remote control feature of EXPRESSSCOPE Engine 2 (BMC) to perform the sameoperation as using the ID switch on the CPU blade.12IDID switchID lamp