Hi All, AUG-256 may consist of : 1. 4 AUG-64 2. 1 AU-4-256c If AUG-256 consists of 1 AU-4-256c, does this mean it can't allocate signals of less granularity than this (viz. one VC-4 or VC-4-64c or VC-4-16c etc) ? Regards, manoj. _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com