²  Reduce interrupt time of communication and improve maintenance efficiency with quickly recovering communication

²  Remarkably reduce damage to network caused by fiber failure

²  Increase network reliability and improve service quality

²  Harmless switch between working path and secondary path and convenient for line overhaul and cutover

²  Real-time monitoring power level of fiber

²  Support remote control, easy management and maintenance

²  Transparent transmission

²  DWDM SOLUTION

²  CWDM SOLUTION

²  ENTHERNET

²  SDH

VOP-15-1+1

Double selective receiving, the main route and an alternate route switching time ≤15ms Insertion Loss(dB) Tx＜4 Rx＜1.2

VOP-30-1:1

Selective receiving election, the main route and an alternate route switching time<30ms Insertion Loss(dB) Tx＜1.2 Rx＜1.2

VOP-15-1-1 Single election close, the main route and an alternate route switching time<15ms Insertion Loss(dB) ＜1.2

VOP-30-OBP:

Selective receiving election, the main route and an alternate route switching time<30ms Insertion Loss(dB)＜1.5