When an OTN device is connected to a Cisco device, the amount of CRC error packets on the Cisco device interface is relatively large. What is the impossible reason?

When an OTN device is connected to a Cisco device, the amount of CRC error packets on the Cisco device interface is relatively large. What is the impossible reason?
A . Abnormal optical power
B . Large number of bit errors on the line side of OTN equipment
C . Incorrect optical module type
D . The optical module is faulty

View Answer

Answer: C