channlized T1 has internal CSU/DSU,the other two don't ,as far as know "frank" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > What is the difference between channlized T1 adaptor ,T1 adaptor and PA-4T+ > on 7507 router? > And on what circumstance should one be used,not the other one ? > > Thanks, > > Frank > FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED] Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=1063&t=1063 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]