Contents 7Installing the Data Access card 479Port configuration 481Cabling 482Backplane pinout and signaling 487Configuring the Data Access card 490Connecting Apple Macintosh to the DAC 494Upgrading systems 494NT8D02 and NTDK16 Digital Line cards 499Contents 499Introduction 499Physical description 501Functional description 506Electrical specifications 519Digital line interface specifications 519Connector pin assignments 524Configuration 527NT8D03 Analog Line card 533Overview 533NT8D09 Analog Message Waiting Line card 535Contents 535Introduction 535Physical description 538Functional description 541Connector pin assignments 556Configuration 558NT8D14 Universal Trunk card 567Contents 567Introduction 567Physical description 571Functional description 576Operation 585Electrical specifications 676Connector pin assignments 686Configuration 690Applications 710NT8D15 E and M Trunk card 715Contents 715Introduction 715Physical description 719Functional description 723Operation 747Electrical specifications 772Nortel Communication Server 1000Circuit Card ReferenceNN43001-311 01.04 StandardRelease 5.0 23 May 2008Copyright © 2003-2008, Nortel Networks.