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Multi-Compartment Fiber Ring Interconnect

Bidirectional fiber rings across compartments/portals with multi-SFP managed switches.

1. Scenario

Long tunnels with many portals need HA backhaul for CCTV and automation.

2. Challenges

Single fiber cuts hurt; isolate compartments logically; size ring bandwidth to camera counts.

3. Architecture

Portal/crossing cabinets use 8GE+4/8SFP managed switches for dual-path rings; copper for cameras and PLC gateways.

network topology
Solution topology (Leagrid LGS2000)

4. Recommended Leagrid LGS2000 products

  • LGS2000-8GE4GF-M: Managed Gigabit switch: 8×GE copper + 4×GE SFP for multi-direction fiber rings and multi-camera uplinks.
  • LGS2000-8GE8GF-M: Managed Gigabit switch: 8×GE copper + 8×GE SFP for dense fiber and video/multi-ring interconnect.

5. Deployment notes

Co-test ring with automation vendors; VLAN per compartment; independent fire/egress paths; schedule fiber-cut drills.

Multi-Compartment Fiber Ring Interconnect · Leagrid