FEP ( e.g cisco router 2500)
int s 0 encapsulation sdlc-primary nrzi-encoding clockrate 19200 sdlc address c1
controller ( e.g cisco router 2500)int s 0 encapsulation sdlc-secondary nrzi encoding clockrate 19200 sdls address 5
The FEP and controller are directly connected via a serial port to " the stun routers"
How to send a test frame ( = polling)
from the FEP, type: sdlc test serial 0 c1 continuous