Corporate Headquarters: Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USACopyright © 2001. Cisco Systems, Inc. All rights reserved. OL-0991-01Cisco 6260 Quad-Port Flexi ATU-C to Octal-PortDMT ATU-C Line Card Conversion ProceduresThis document provides the procedures to convert from quad-port flexi ATU-C line cards (4xflexis) tooctal-port DMT ATU-C line cards (8xDMTs) in the Cisco 6260 system.Warning Only trained and qualified personnel should be allowed to install or replace this equipment.ContentsThis document includes the following sections:• Conversion Prerequisites, page 1• General Safety Precautions and Maintenance Guidelines, page 2• Quad-Port Flexi ATU-C to Octal-Port DMT ATU-C Line Card Conversion Procedures, page 8• Port Mapping of Subscriber Connectors to Slots and Ports, page 15• Related Documentation, page 21• Obtaining Documentation, page 21• Obtaining Technical Assistance, page 22Conversion PrerequisitesThis section provides requirements that are needed to convert your Cisco 6260 system from 4xflexisto 8xDMTs:• Software and Network Management Requirements, page 2• Configuration Requirements, page 2• Part and Tool Requirements, page 2