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