SuperNode cabinet module 101Figure 43SuperNode DPCC componentsCooling unitThe high-capacity cooling unit consists of four, high-speed DC-powered fanblowers. Two of these four fans are operated with a separate power feedfor reliability.System Load ModuleThe System Load Module (SLM) is the mass storage system used for storingoffice images and for booting new loads or stored images into the ComputingModule. The SLM is designed for loads in excess of 250 megabytes.The SLM shelf contains two SLMs that interface directly to the ComputingModule through a Computing Module port. Each SLM is packaged into asingle replaceable unit consisting of a disk drive, a streaming cartridge tapedrive and a controller circuit card.Computing ModuleThe Computing Module (CM) shelf is part of the core that performs the callprocessing function.The CM shelf contains two CM planes. Each CM plane has the following:• processor used for call management• message switch interfacesCommunication Server 2100Meridian SL-100 Product Guide555-4001-103 20.01 StandardSE09 20 October 2006Copyright © 2006, Nortel Networks Nortel Networks Confidential.