Corporate Headquarters:Copyright © 2003 Cisco Systems, Inc. All rights reserved.Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USAInstalling the Cisco ONS 15454 SDH E1-75/120Impedance Conversion PanelProduct Name: 15454E-E1-75BB=This document contains a description of E1-75/120 conversion panel (“E1-75 Black Box”) features,installation procedures, and technical specifications. Use this document in conjunction with the CiscoONS 15454 SDH Reference Manual and the Cisco ONS 15454 SDH Procedure Guide when working withE1-75/120 conversion panels.This document contains the following sections:• E1-75/120 Impedance Conversion Panel Description, page 2• E1-75/120 Impedance Conversion Panel Specifications, page 3• Install the E1-75/120 Conversion Panel, page 4• Install Ground and Cables, page 5• Related Documentation, page 7• Obtaining Documentation, page 7• Obtaining Technical Assistance, page 8• Obtaining Additional Publications and Information, page 10This document contains the following procedures:Install the E1-75/120 Conversion Panel, page 4Install Cables with Molex 96-Pin LFH Connectors on 120-Ohm Side, page 6Install Cables with 1.0/2.3 Miniature Coax Connectors on 75-Ohm Side, page 6Replace Cables with 1.0/2.3 Miniature Coax Connectors on 75-Ohm Side, page 6Note For information about circuits and card capacities, see the Cisco ONS 15454 SDH Reference Manual.