928 NTAK79 2.0 Mb PRI cardNTAK79 switchesThe NTAK79 card incorporates four on-board dip switches. The tables thatfollow provide information on the various settings and related functions ofthese switches.Note: The ON position for all the switches is towards the bottom of thecard. This is indicated by a white dot printed on the board adjacent tothe bottom left corner of each individual switch.Figure 278NTAK79 card with switch locationsSwitch SW1 - DCHI ConfigurationThis switch enables/disables the on-board DCHI and sets the operatingmode of the DCHI. DPNSS1 mode is supported on an NTAK79BC. For allother countries that do not use DPNSS, use Q.931 mode.Table 379Switch SW1Switch Down (On) Up (Off)SW 1-1 enable DCHI disable DCHISW 1-2 DPNSS1/DASS2 Q.931Nortel Communication Server 1000Circuit Card ReferenceNN43001-311 01.04 StandardRelease 5.0 23 May 2008Copyright © 2003-2008, Nortel Networks.
