Little confused about the using the WIC-2T card in the Cisco 3825 router with an 8Mbps, X.21 serial WAN Link.
The WIC-2T data sheet mentions that there are known problems with X.21 above a clock speed of 4MHz (surely that is 4Mbps).
Bottom line, is 4Mbps the max on the WIC-2T at X.21?