I have a WIC 56K 4-wire CSU/DSU installed in a Cisco 1720 router. The CSU/DSU is connect to a Frame-Relay DS0 circuit. The serial interface is configure with the following statements:
interface serial 0
encapsulation frame-relay IETF
service-module 56K clock rate 64
frame-relay lmi-type ansi
My problem is the serial interface will not stay active and I'm receiving framing errors. Can some tell me if this card - WIC 56K CSU/DSU will work in this configuration. If yes, it the configuration for the serial interface correct?
Router IOS IP PLUS 12.2.5
Thanks in advance