Disclaimer
The Author of this posting offers the information contained within this posting without consideration and with the reader's understanding that there's no implied or expressed suitability or fitness for any purpose. Information provided is for informational purposes only and should not be construed as rendering professional advice of any kind. Usage of this posting's information is solely at reader's own risk.
Liability Disclaimer
In no event shall Author be liable for any damages wha2tsoever (including, without limitation, damages for loss of use, data or profit) arising out of the use or inability to use the posting's information even if Author has been advised of the possibility of such damage.
Posting
The interface's purpose is to provide an interface compatible with the corresponding serial media.
What interfaces are supported for any Cisco router should be noted in that device's datasheets.
As a general trend, newer routers, might not support all the serial media older routers did because such media is being used less frequently.
