Patent ID: 11927807
Assignee: JUNIPER NETWORKS, INC.
Field: Optics (Instruments)
Classification: CPC G  H | IPC G  H

Claim 4:
5. The apparatus of claim 1, wherein the optical signal is a third optical signal, detecting the third optical signal further includes not receiving a first optical signal and a second optical signal, and the processor is further configured to:
switch between the bidirectional port operation mode and the unidirectional port operation mode;
send, in the unidirectional port operation mode and via the first port, the first optical signal and not send and not receive the second optical signal;
receive, in the unidirectional port operation mode and via the second port, the second optical signal;
send, in the bidirectional port operation mode and via the first port, the first optical signal; and
receive, in the bidirectional port operation mode and via the first port, the second optical signal.