haloo all, Could anyone here tell me how to connect the IBM RCU to the 2501 series router throught the serial port at the router (1 connected to the Frame Relay). What type of cable do we need. And how's the configuration. Thank you. Hato _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=18920&t=18920 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]