Can anyone please tell me what is the difference between Cisco 4000 router and Cisco 4000M? Which one is more expensive? How much does 16DRAM cost? I also wants to know how much does it cost for the following modules: 1 X NP-2T ? 1 X NP-1R ? 1 X NP-1E ? Four port ISDN BRI (I don't know what this is called?) Thanks in advance. Regards, Hunt Lee IP Solution Analyst Cable and Wireless Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=3114&t=3114 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]