ISDN Demonstrator User’s Manual
40-400-00011, Rev. B
23
CHAPTER 5:
REFERENCE
Status Indications
Figure 2 shows the ISDN Demonstrator configured for U Interface operation.
Connecting to the U Interface allows synchronization of any communications
devices connected downstream.
Figure 2. U Interface Operation
The Simulator’s U interface status is signaled by the U-SYNC LED which
changes from a blinking green LED to a solid green LED after
synchronization has competed.
