""Thomas"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Hi All - I am looking for some routers to setup my CCNP lab. The Cisco 2522 > seems to be a great for Frame Relay switch if I can use crossover cable with > the A/S serial ports. However, I am not sure if the A/S will be acting > exactly the same as the synchronous serial port? Can I connect these > asynchromous serial port to a synchronous serial port on a 2501 router using > crossover cable? Thanks all in advance! A/S modules have a speed limit in synchronous mode up to 128 K and up to 115.2 K in async mode. Not sure about crossover cable but I think it works. HTH George Yiannibas MCSE CCNA Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=4264&t=4264 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]