Two routers that use a POS interface are connected back-to-back. The interfaces are operational
with no alarms appearing. When the routers are connected using an SDH network, alarms appear
on the router and the interface status goes down. Which action will fix this issue?

A.
Reset the POS interface.

B.
Check the ADM switch for correct framing.

C.
Change the framing type on the router POS interface.

D.
Swap the POS interface.