876 NTAK09 1.5 Mb DTI/PRI cardextend from the card to the DSX-1 or LD-1. Equalizers are switch selectablethrough dip-switches. The settings are shown in Table 360 "NTAK09 switchsettings" (page 876).Table 360NTAK09 switch settingsSwitch SettingDistance to Digital Cross-Connect1DCH F/W2(LEN 0)3(LEN 1)4(LEN 2)0 - 133 feet Off Off Off On133 - 266 feet Off On On Off266 - 399 feet Off Off On Off399 - 533 feet Off On Off Off533 - 655 feet Off Off Off OffReceiverThe receiver extracts data and clock from an incoming data stream andoutputs clock and synchronized data. At worst case DSX-1 signal levels, theline receiver operates correctly with up to 655 feet of ABAM cable betweenthe card and the external DS1 signal source.The receiver extracts data and clock from an incoming data stream andoutputs clock and synchronized data. At worst case DSX-1 signal levels, theline receiver operates correctly with up to 655 feet of ABAM cable betweenthe card and the external DS1 signal source.The receiver extracts data and clock from an incoming data stream andoutputs clock and synchronized data. At worst case DSX-1 signal levels, theline receiver operates correctly with up to 655 feet of ABAM cable betweenthe card and the external DS1 signal source.Connector pinoutThe connection to the external digital carrier is through a 15-position maleD-type connector. See Table 361 "DS-1 line interface pinout for NTBK04cable" (page 876).Table 361DS-1 line interface pinout for NTBK04 cableFrom 50-pin MDFconnector To DB-15 Signal name Descriptionpin 48 pin 1 T transmit tip to networkpin 23 pin 9 R transmit ring to networkNortel Communication Server 1000Circuit Card ReferenceNN43001-311 01.04 StandardRelease 5.0 23 May 2008Copyright © 2003-2008, Nortel Networks.