Corporate Headquarters:© 2010 Cisco Systems, Inc. All rights reserved.Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USAInstalling the Rear Cover on theCisco ONS 15310-MAProduct Name: 15310-MA-BP-COVER=This document explains how to install the Cisco ONS 15310-MA rear cover. It also contains adescription of the rear cover, installation equipment and procedures, and a list of specifications. Asappropriate, use this document in conjunction with the Cisco ONS 15310-CL and Cisco ONS 15310-MAProcedure Guide, the Cisco ONS 15310-CL and Cisco ONS 15310-MA Reference Manual, and theCisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide when working with the rearcover.This document contains the following sections:• Rear Cover Description, page 1• Rear Cover Specifications, page 2• Install the Rear Cover on the ONS 15310-MA, page 2• Related Documentation, page 7• Obtaining Documentation, Obtaining Support, and Security Guidelines, page 7Rear Cover DescriptionThe plastic rear cover allows you to protect the DS-1 connections and all the other connectors installedon the back plane of the ONS 15310-MA chassis.Note You must install the rear cover only after connecting all the cables on the back plane.Note Depending on the field requirements, the rear cover can be installed with two different offsets from theback plane.