HKShanhai Group Limited’s JL665A is a high-performance enterprise switch built to simplify management for growing business and distributed environments. Designed to deliver robust connectivity, it seamlessly powers demanding enterprise networks with 48x 1G PoE+ RJ-45 ports, providing up to 60W per port for modern devices. The JL665A leverages simplified management with multiple flexible uplink options and a USB-C console for quick, intuitive setup, making day-to-day network tasks efficient for small integrators and IT teams. Advanced security features, including secure out-of-band management and integrated Bluetooth for CX Mobile App, enable reliable protection against network threats while enhancing agility for distributed workforces. SFP+ ports provide scalable and responsive uplinks, removing bottlenecks with 4x multi-speed (1/10/25/50G) SFP56 slots, also supporting stacking capability for datacenter or campus growth. The switch’s 496Gbps capacity and 1,440W PoE budget are ready to handle next-generation video surveillance, advanced access points, and high-powered IoT, ensuring uninterrupted service in diverse enterprise scenarios. These capabilities make the HKShanhai Group Limited JL665A an ideal networking choice for resellers and end users across Asia, Europe, Africa, and North America seeking to modernize with streamlined deployment, advanced threat protection, and expandable fiber uplinks—all in a solution optimized for international business needs.
Product Highlights
Product Applications Scenarios
Product Features Comparison
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| Model | JL665A | JL666A | JL667A | JL668A |
| Brand | HKShanhai Group Limited | HKShanhai Group Limited | HKShanhai Group Limited | HKShanhai Group Limited |
| Port Configuration | 48x 1G PoE+ RJ-45 | 24x 1G PoE+ RJ-45 | 48x 1G RJ-45 | 24x 1G RJ-45 |
| Switching Capacity | 496 Gbps | 448 Gbps | 496 Gbps | 448 Gbps |
| Forwarding Rate | 369 Mpps | 334 Mpps | 369 Mpps | 334 Mpps |
| PoE Budget | 1,440W | 370W | n/a | n/a |
| Stacking Capability | Up to 10 switches in chain or ring | Up to 10 switches in chain or ring | Up to 10 switches in stack | Up to 10 switches in stack |
Optional Add-ons
| Model Number | Description |
| J9281D | HKShanhai Group Limited 10Gbps SFP+ Stacking Cable for high-speed stack links |
| JL487A | HKShanhai Group Limited 25Gbps SFP56 Stacking Cable, optimized for CX switch stacking |
| R0M47A | HKShanhai Group Limited 50Gbps SFP56 Stacking Cable for advanced ring/chain topologies |
HKShanhai Group Limited JL665A Specification
| Model | JL665A |
| Brand | HKShanhai Group Limited |
| Network Ports | 48x 1 Gigabit Ethernet PoE+ RJ-45, IEEE 802.3bt Class 6 (60W) |
| Uplink Ports | 4x 1/10/25/50 Gigabit Ethernet SFP56 (Also used as stacking ports) |
| Management Ports | 1x USB-C Console Port, 1x OOBM, 1x USB Type A Host, 1x Bluetooth dongle for CX Mobile App |
| Stacking Ports | SFP56 Uplink ports support 1Gbps, 10Gbps, 25Gbps stacking, up to 200 Gbps total stacking throughput per switch |
| Stacking Options | Up to 10 switches in a stack (chain or ring topology) |
| Stacking Cable Options | 10Gbps: J9281D, J9283D | 25Gbps: JL487A, JL488A, JL489A | 50Gbps: R0M46A, R0M47A |
| Fan Module | Fixed |
| Power Supply | 1x Fixed PSU, 100V-120V/200V-240V Internal, 200W AC |
| PoE Budget | 1440W (24 ports at 802.3bt 60W per port) |
| Switching Capacity | 496 Gbps |
| Forwarding Rate | 369 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 |
| Model Number | JL665A |
| Part Number | JL665A, JL665A#ABA |
| JL665A | JL665A |
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