That's true. The switch itself has DS-1 interfaces. The interoffice transmission gear muxes or DACS's the traffic up to SONET rates or DS3. Matt Holdrege <A HREF="http://www.ascend.com">http://www.ascend.com</A> matt@ascend.com ++ Ascend Users Mailing List ++ To unsubscribe: send unsubscribe to ascend-users-request@bungi.com To get FAQ'd: <<A HREF="http://www.nealis.net/ascend/faq">http://www.nealis.net/ascend/faq</A>> </PRE> <!--X-MsgBody-End--> <!--X-Follow-Ups--> <!--X-Follow-Ups-End--> <!--X-References--> <HR> <STRONG>References</STRONG>: <UL> <LI><STRONG><A HREF="msg11862.html">Re: (ASCEND) TNT 672 modems, DS3 Channelized</A></STRONG></LI> <UL> <LI><EM>From</EM>: Jonah Yokubaitis <barron@texas.net></LI> </UL> <LI><STRONG><A HREF="msg11866.html">Re: (ASCEND) TNT 672 modems, DS3 Channelized</A></STRONG></LI> <UL> <LI><EM>From</EM>: Stephen Balbach <stephen@clark.net></LI> </UL> </UL> <!--X-References-End--> <!--X-BotPNI--> <HR> <UL> <LI>Prev by Date: <STRONG><A HREF="msg11885.html">(ASCEND) Max throughput</A></STRONG> </LI> <LI>Next by Date: <STRONG><A HREF="msg11889.html">(ASCEND) Filters on Ascend Max200+</A></STRONG> </LI> <LI>Prev by thread: <STRONG><A HREF="msg11866.html">Re: (ASCEND) TNT 672 modems, DS3 Channelized</A></STRONG> </LI> <LI>Next by thread: <STRONG><A HREF="msg11908.html">Re: (ASCEND) TNT 672 modems, DS3 Channelized</A></STRONG> </LI> <LI>Index(es): <UL> <LI><A HREF="maillist.html#11888"><STRONG>Main</STRONG></A></LI> <LI><A HREF="thrd282.html#11888"><STRONG>Thread</STRONG></A></LI> </UL> </LI> </UL> <!--X-BotPNI-End--> <!--X-User-Footer--> <!--X-User-Footer-End--> </BODY> </HTML>