Corporate Headquarters:© 2006 Cisco Systems, Inc. All rights reserved.Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USAInstalling the CTX2500 Card in theCisco ONS 15310-MAProduct Names: 15310-CTX-2500-K9This document provides a card description, specifications, and an installation procedure for theCisco ONS 15310-MA CTX2500 card. As appropriate use this document in conjunction with theCisco ONS 15310-CL and Cisco ONS 15310-MA Procedure Guide, the Cisco ONS 15310-CL andCisco ONS 15310-MA Reference Manual, and the Cisco ONS 15310-CL and Cisco ONS 15310-MATroubleshooting Guide when working with CTX2500 cards.This document contains the following sections:• CTX2500 Card Description, page 1• CTX2500 Card Specifications, page 3• Install the CTX2500 Cards, page 5• Related Documentation, page 7• Obtaining Documentation, page 7• Obtaining Technical Assistance, page 8CTX2500 Card DescriptionThe CTX2500 card, for use with the ONS 15310-MA, is a fully nonblocking cross-connect card thatoperates in either a simplex or duplex (redundant) configuration. It performs system initialization,provisioning, alarm reporting, maintenance, diagnostics, IP address detection/resolution, SONET DCCtermination, system fault detection, and cross-connect maintenance and management for theONS 15310-MA. The card also provides the circuitry for the OC-3/OC-12/OC-48 interfaces, andensures that the system maintains timing with SMC stability.Caution If the system loses power or the CTX2500 card is reset, you must reset the ONS 15310-MA clock unlessthe node has been previously provisioned to use Simple Network Time Protocol (SNTP) to update theclock over the LAN.