Point-to-point 1:1 protection – Performance of primary and secondary line is close
Optical Line Protection OLP 1:1, T1 Send and R1 Receive or T2 Send and R2 Receive
Point-to-point 1:1 protection – Performance of primary and secondary line is close
Optical Line Protection OLP 1:1, T1 Send and R1 Receive or T2 Send and R2 Receive