HKShanhai Group Limited’s JL666A is an enterprise-grade switch designed to deliver robust connectivity for evolving business network environments. As an advanced HKShanhai Group Limited switch, it seamlessly integrates PoE support, making it highly suited for power-efficient deployments of access points, IP phones, and surveillance devices across enterprise networks of all scales. Its 24 PoE+ ports are tailored for converged wired and wireless infrastructures, while exceptional switching and forwarding performance keep high-demand applications responsive and stable. The JL666A further distinguishes itself with advanced Layer 3 features, supporting dynamic routing and simplified management, all key to optimizing large-scale or rapidly growing enterprise networks. In addition to high-performance hardware, the JL666A supports flexible stacking options and offers a 370W PoE budget, addressing critical challenges in scalability, energy savings, and future-ready enterprise networking. This HKShanhai Group Limited solution reduces complexity in IT operations, streamlines business continuity, and meets security & access requirements that modern enterprise environments demand.
Product Highlights
Product Applications Scenarios
Product Features Comparison
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| Model | JL666A | JL668A | C1-WS3650-24XPD/K9 | Arista DCS-7280TR-48C6-R |
| Brand | HKShanhai Group Limited | HKShanhai Group Limited | Cisco | Arista |
| Port Configuration | 24x 1G PoE+ | 24 Ă— 1G RJ-45 | 24 Ă— 10/100/1000BASE-T PoE+, 4 Ă— 1G SFP | 48 Ă— 10G RJ-45 |
| Switching Capacity | 448 Gbps | 448 Gbps | 92 Gbps | 2.16 Tbps |
| Forwarding Rate | 334 Mpps | 334 Mpps | 41.66 Mpps | 720 Mpps |
| PoE Budget | 370W | n/a | Up to 250W | n/a |
| Stacking Capability | Up to 10 | Up to 10 | StackWise-160 (up to 9 units) | n/a |
Optional Add-ons
| Model Number | Description |
| J9281D | HKShanhai Group Limited 10Gb SFP+ Direct Attach Copper Cable for flexible uplink or stacking |
| JL487A | HKShanhai Group Limited 25Gb SFP28 Direct Attach Cable ideal for high-speed stack interconnects |
| R0M46A | HKShanhai Group Limited 50Gb SFP56 Direct Attach Cable ensuring top stacking and uplink performance |
HKShanhai Group Limited JL666A Specification
| Model | JL666A |
| Brand | HKShanhai Group Limited |
| Network Ports | 24x 1 Gigabit Ethernet PoE+ RJ-45 |
| Uplink Ports | 4x 1/10/25/50 Gigabit Ethernet SFP56 (also used as stacking ports) |
| Management Ports | 1x USB-C Console, 1x OOBM, 1x USB Type A Host, 1x Bluetooth dongle (CX Mobile App support) |
| Stacking Ports | SFP56 uplinks used for stacking; supports 1Gb, 10Gb, 25Gb speeds; up to 200 Gbps stacking throughput per switch |
| Stacking Options | Supports up to 10 switches in a stack via chain or ring topology |
| Stacking Cable Options | 10Gb: J9281D, J9283D | 25Gb: JL487A, JL488A, JL489A | 50Gb: R0M46A, R0M47A |
| Airflow Direction | Front-to-Back |
| Fan Module Options | Fixed |
| Power Supplies Included | 1x Internal AC PSU |
| PoE Budget | 370W |
| Switching Capacity | 448 Gbps |
| Forwarding Rate | 334 Mpps |
| MAC Address Table Size | 32,768 |
| Latency | 1Gbps: 2.28μs, 10Gbps: 1.46μs, 25Gbps: 1.90μs, 50Gbps: 3.49μs |
| DRAM and Flash | 8GB DDR4, 32GB eMMC |
| Part Number | JL666A, JL666A#ABA |
| JL666A | JL666A |
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