Nortel SL-100 Product Manual

Also see for Meridian SL-100: User guide User guide Reference guide Fundamentals Reference manual

Contents

Nortel SL-100 Product Manual Manual pdf 107 page image

Network cabinets 107Cooling 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.Power convertersEach ENET shelf includes one +5 V/80 A and one -5 V/20 A power convertercircuit cards. The power converters are located at each end of the shelf witheach power converter providing power for one half of the shelf.Power requirementThe ENET cabinet is powered by either the Meridian Cabinet AuxiliaryModule phase 3 (MCAM3). Both supply -48 V DC power to the ENETcabinet. The power supply option selected is based on the lineupconfiguration chosen by the user. The ENET cabinet is powered by anexternal -48 V DC source called the Cabinetized Power Distribution Center(CPDC). These cabinets are described in "Maintenance and administrationcabinet modules" (page 127).Note: For detailed information on ENET, refer to the DMS SuperNodeProduct Guide and Peripheral Modules.Meridian Cabinet Network Interface (MCNI)The MCNI addresses user requirements by providing networking capabilitiesin a singular, inexpensive package. This product addresses two types ofusers:• Users who have a 32K Enhanced Network (ENET) cabinet and wish toadd the capability of a Fiberized Link Interface Shelf (FLIS), and thevariety of features it makes possible. This is provided by NTYA05UK.• Users who wish to replace their Junctured Network (JNET) systems witha 32K ENET and acquire FLIS capability in one cabinet can do so bypurchasing a factory-built MCNI cabinet (NTYA05AA).The MCNI• combines 32K ENET capability and FLIS capability plus options• offers a non-blocking network matrix supporting up to 32,000cross-points• accommodates up to 24 Application Specific Units (ASUs) with two LinkInterface Shelves (LIS), or up to 12 ASUs with one LIS. The limitationsand restrictions, which apply to the FLIS cabinet, also apply to the MCNIcabinet. These are listed in engineering change memorandums (ECM)612, 620, 626, and 632. The LIS supports the following:— Link Interface Unit (LIU7) for CCS7Communication Server 2100Meridian SL-100 Product Guide555-4001-103 20.01 StandardSE09 20 October 2006Copyright © 2006, Nortel Networks Nortel Networks Confidential.