Keywords: SDH STM1 Frame.svg Frame structure of an SDH STM1 frame SDH_STM1_Frame JPG 2011-02-25 03 08 UTC SDH_STM1_Frame JPG Original uploader was Motleyfool at http //en wikipedia org en wikipedia Later version s were uploaded by Slidersv at http //en wikipedia org en wikipedia derivative work W-dueck <span class signature-talk >talk</span> Original upload log This image is a derivative work of the following images File SDH_STM1_Frame JPG licensed with PD-user 2008-11-03T14 09 54Z File Upload Bot Magnus Manske 595x339 16495 Bytes <nowiki> pt wikipedia copiada de http //en wikipedia org/wiki/Image SDH_STM1_Frame JPG Licença pt en Image SDH_STM1_Frame JPG Transferred from http //p</nowiki> SONET/SDH |