STN6200B-II: Optical Switching Protection Subsystem The STN6200B-II represents the new generation of high-density optical switching protection subsystems, integrating advanced technology and production processes. Featuring a low power consumption design, it operates at full power consumption levels of less than 90W. The STN6200B-II offers exceptional extensibility with 8 slots, compatible with SR2 and SR2-2 cards.

OEO6500B: Optical Bypass Protection (OBP) Subsystem The OEO6500B is an optical bypass protection subsystem launched by Sino-Telecom. This platform has the characteristics of high service integration, high port density, rich service types, and flexible configuration.

1U/2U Optical Line Protection (OLP) Subsystem The Optical Line Protection Subsystem, designed to address the critical demands of optical transmission networks with unparalleled efficiency and reliability.