Yes, here is my interface/controller config. The T1 interface goes up up but after I config the serial interface goes UP UP then after about 10 seconds the serial goes up down. The T1 never goes down.
version 12.2
service timestamp
service timestamps log uptime
no service password-encryption
!
hostname Router
!
boot bootldr bootflash:c7200-boot-mz.120-17.S
card type t1 1
enable password
!
!
controller T1 1/0
framing esf
service-type data
clock source internal
linecode b8zs
cablelength short 110
channel-group 0 timeslots 1-24
!
!
interface Serial1/0:0
no ip address
!
