CDB61581

www.DataSheet4U.com CDB61581 Universal Line Interface Unit Features s Socketed CS61581 Universal Line Interface s All Required Components for CS61581 Evaluation s LED Status Indications for Alarm Conditions and Operating Status s Support for Hardware and Host Modes Description The evaluation board includes a socketed CS61581 line interface device and all support components necessary for evaluation. The board is powered by an external +5 Volt supply. The board may be configured for 100 Ω twisted-pair T1, 75 Ω coax E1, or 120 Ω twisted-pair E1 short and long haul operations. Binding posts and bantam jacks are provided for the line interface connections. Several BNC connectors provide clock and data I/O at the system interface. Reference timing may be derived from a quartz crystal or an external reference clock. Four LED indicators monitor device alarm conditions and operating status. ORDERING INFO: CDB61581 5V+ 0V TCLK TPOS TNEG RCLK RPOS RNEG TTIP TRING RTIP CS61581 RRING MCLK Hardware Control and Mode Circuit LED Status Indicators Serial Interface Control Circuit XTALOUT XTALIN +5V 4.7 kΩ XTL (optional) Preliminary Product Information P.O. Box 17847, Austin, Texas 78760 (512) 445 7222 FAX: (512) 445 7581 http://www.cirrus.com This document contains information for a new product. Cirrus Logic reserves the right to modify this product without notice. Copyright © Cirrus Logic, Inc. 1999 (All Rights Reserved) OCT ‘99 DS211DB2 1 CDB61581 TABLE OF CONTENTS 1. POWE...