Alcatel-Lucent OS9-GNI-C20L

Functional Feature Highlights

1. 20-port high-density independent SFP gigabit optical port design, each optical port supports independent optical fiber link access, flexible matching of multi-mode and single-mode optical transceivers according to different workshop transmission distance requirements, greatly improving the optical fiber access density of core chassis switches, reducing the number of core switch slots occupied by optical access equipment
2. Hardware-based full wire-speed Layer 2 switching and Layer 3 routing forwarding architecture, all data packet exchange and routing calculation are completed by dedicated ASIC hardware chip, no CPU software forwarding delay, each gigabit optical port can realize zero packet loss full line speed data transmission, suitable for high real-time industrial automation equipment EtherCAT, Modbus TCP data transmission
3. Complete industrial network redundancy protocol support, built-in hardware accelerated MSTP spanning tree protocol and LACP link aggregation protocol, when one optical fiber link fails, the network automatically switches data transmission to the redundant link within 5ms, realizing zero interruption of industrial equipment real-time control data communication, avoiding production line shutdown caused by network link failure
4. Full non-stop forwarding hot swap function, the line card is equipped with independent power supply pre-charging circuit and data buffer storage chip; when plugging and replacing the line card in the running core switch chassis, the chassis main control board automatically caches all optical port data packets, the existing optical fiber link data forwarding will not be interrupted, no factory network downtime required for maintenance replacement
5. Independent hardware fault detection and port isolation circuit for each SFP optical port, real-time monitoring of optical module optical power, SFP module in-place state, optical fiber link breakage fault; when a single optical port has short circuit, optical module burnout or link breakage fault, the hardware circuit automatically isolates the faulty port, the fault will not spread to other normal optical ports on the line card, ensuring stable operation of other workshop equipment network links
6. Rich industrial network management functions, support port bandwidth limit, port access control list ACL data packet filtering, multicast IGMP Snooping function for production line video monitoring and equipment real-time data multicast transmission; support remote network management through SNMP v1/v2c/v3 protocol, remote port configuration, fault alarm query and line card firmware remote upgrade operation
7. Industrial-grade anti-electromagnetic interference design, the entire line card PCB adopts multi-layer full copper foil shielding layer, all SFP optical port connectors are equipped with metal shielding shells with grounding terminals, effectively suppress high-frequency electromagnetic interference generated by workshop servo drives, frequency converters and high-power motors, avoid optical port data packet loss and link disconnection caused by industrial electromagnetic noise
8. Chassis backplane dual redundant signal bus connection design, the line card and OmniSwitch 9000 chassis backplane adopt two independent high-speed differential signal buses for data transmission, when one signal bus has signal transmission abnormality, the system automatically switches to the redundant signal bus for data exchange, improving the overall reliability of the core switch chassis network transmission

Material Composition & Structural Characteristics

1. Line Card Outer Protective Baffle: 2mm thick cold-rolled steel metal baffle, surface matte black electrostatic spraying anti-corrosion treatment, 20 independent SFP port openings evenly distributed on the baffle, each port opening equipped with a detachable metal dustproof baffle
2. Main Control Circuit Board: 12-layer high-density FR4 flame retardant fiberglass PCB, multi-layer full copper foil electromagnetic shielding layer laid between signal layers and power supply layers, isolate mutual interference between high-speed optical port signal circuits and power supply circuits
3. Core Forwarding Chip: Industrial-grade dedicated gigabit switching ASIC hardware chip with built-in hardware acceleration engine for spanning tree, link aggregation and routing protocols, independent high-speed data cache memory chips equipped for each optical port
4. SFP Optical Port Connectors: Metal shielding shell SFP socket connectors, all contact pins adopt 15μm thick gold plating anti-oxidation treatment, each socket equipped with independent optical signal transceiving circuit and hardware fault detection chip
5. Chassis Backplane Contact Pin Row: Phosphor bronze elastic contact pins with full gold plating, divided into two groups of independent redundant signal contact pin groups and power supply contact pin groups, ensure stable electrical connection between line card and chassis backplane under long-term cabinet vibration environment
6. Heat Dissipation Structure: Multiple groups of dense aluminum alloy heat dissipation fins welded on the back of the main PCB board, natural convection heat dissipation design without built-in cooling fans, maintenance-free long-term continuous operation; the metal front baffle is provided with hollow grid heat dissipation air flow channels to accelerate heat exchange between the line card and chassis internal air
7. Mounting Locking Mechanism: Two sets of metal rotary locking handles equipped on both sides of the front metal baffle, rotating the handles can tightly lock the line card on the chassis slot guide rail, prevent loose contact between the backplane contact pins caused by long-term cabinet vibration