What could be the cause of this issue?

Refer to the exhibit.

An administrator has a standalone M1000e chassis with only a single CMC module. The CAT6 cable is plugged into the Ethernet port closest to the DB-9 connector. The power indicator light is lit but the administrator is unable to access the CMC module.

What could be the cause of this issue?
A . No DB-9 serial cable is plugged in
B . CMC module was removed without powering off the chassis
C . CAT6 cable into the stacking port
D . CAT5 cable is required for connection to CMC

View Answer

Answer: A

Explanation:

Reference: https://topics-cdn.dell.com/pdf/poweredge-m1000e_owners-manual_en-us.pdf