715NT8D15 E and M Trunk cardContents This section contains information on the following topics:"Introduction" (page 715)"Physical description" (page 719)"Functional description" (page 723)"Operation" (page 747)"Electrical specifications" (page 772)"Connector pin assignments" (page 776)"Configuration" (page 784)"Applications" (page 795)Introduction The NT8D15 E and M Trunk card interfaces four analog telephone trunks tothe switch. Each trunk interface connects to a trunk facility using tip and ringleads that carry voice, ringing, and tone signaling, and to signaling interfacesby E and M leads. Each unit can be configured independently by softwarecontrol in the Trunk Data Block (or Trunk Administration) program LD 14.You can install this card in any IPE slot.Note: Up to four analog trunk cards are supported in each MediaGateway and Media Gateway Expansion.The NT8D15 E and M Trunk card supports the following types of trunks:• 2-wire E and M Type I signaling trunks• two-wire dial repeating trunks• two or four wire tie trunksNortel Communication Server 1000Circuit Card ReferenceNN43001-311 01.04 StandardRelease 5.0 23 May 2008Copyright © 2003-2008, Nortel Networks.
