Corporate Headquarters:© 2006–2009 Cisco Systems, Inc. All rights reserved.Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USACisco Enhanced Wave Division MultiplexingOptical System Installation NoteThis document provides installation instructions for the Cisco Enhanced Wave Division Multiplexer(EWDM) passive optical system. The EWDM system combines 1 GB Coarse Wave DivisionMultiplexing (CWDM) connections using SFPs and GBICs with 10 GB Dense Wave DivisionMultiplexing (DWDM) connections using XENPAK, X2, or XFP DWDM modules. These DWDMconnections can either be passive or boosted to allow a longer range for the connection. The EWDMpassive optical system product numbers are listed in Table 1.Table 1 EWDM Passive Optical System Product NumbersProduct Number DescriptionCWDM-CHASSIS-2= two-slot chassis, 1 Rack UnitEWDM-MUX8= 8-channel MUX/DEMUX moduleEWDM-OADM4= Four-channel Optical Add/Drop Multiplexer(OADM) moduleEWDM-OADM2= 2-channel OADM moduleEWDM-OA= DWDM booster amplifierCAB-SM-LCSC-1M= LC to SC connector cable, 1 mCAB-SM-LCSC-5M= LC to SC connector cable, 5 m