Refer to the exhibit. What is a possible cause of the PRI issue?
A. The cable is unplugged.
B. The clock source is incorrect.
C. The controller shut down.
D. The framing is configured incorrectly.
Refer to the exhibit. What is a possible cause of the PRI issue?
A. The cable is unplugged.
B. The clock source is incorrect.
C. The controller shut down.
D. The framing is configured incorrectly.