Description
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Model | J9022A |
| Product name | ProCurve 2810-48G |
| Manufacturer | HP |
| Product type | Managed Layer 2 Ethernet switch |
| Total logical ports | 48 |
| Fixed Ethernet ports | 44 × 10/100/1000BASE-T |
| Dual-personality ports | 4 × RJ45 / mini-GBIC |
| Fiber support | 100BASE-FX / 1000BASE-X, with compatible transceivers |
| Console interface | 1 × RJ45 serial console |
| Switching capacity | 96 Gbps |
| Forwarding rate | 71.4 Mpps |
| MAC address table | 8,000 entries |
| Packet buffer | 1.5 MB |
| Processor | MIPS, 264 MHz |
| Flash memory | 16 MB |
| System memory | 64 MB SDRAM |
| Network management | SNMP, web interface, CLI, RMON, sFlow |
| VLAN support | IEEE 802.1Q |
| QoS | IEEE 802.1p |
| Power input | 100–240 VAC |
| Input frequency | 50/60 Hz |
| Maximum current | 1.5 A |
| Maximum power consumption | 92 W |
| Heat dissipation | 341 BTU/hr |
| Operating temperature | 0°C to 45°C |
| Operating humidity | 15–95%, non-condensing |
| Mounting | 19-inch rack, 1U |
| Dimensions | 442 × 323 × 43.2 mm |
| Weight | Approximately 3.9 kg |
Specifications are based primarily on HP’s 2810 Series QuickSpecs and installation documentation.
Product Introduction
The HP ProCurve J9022A 2810-48G is designed to provide managed Gigabit Ethernet connectivity for enterprise and industrial network environments. Its 44 fixed copper ports support standard 10/100/1000BASE-T connections, while four dual-personality ports allow the use of either RJ45 copper connections or compatible mini-GBIC fiber transceivers. This arrangement supports mixed copper and fiber network architectures without requiring a separate fiber aggregation switch.
The switch provides Layer 2 management functions, including VLAN segmentation, traffic prioritization, access security, SNMP monitoring, and sFlow traffic analysis. It also supports an optional external redundant power supply. In industrial automation installations, it can serve as an Ethernet distribution or aggregation device connecting engineering workstations, operator stations, servers, and compatible control-system network equipment. It should not be mistaken for a managed industrial switch with a specified extended-temperature rating.
PROCURVE J9022A 2810-48G
Application Scenarios & Field Pitfalls
Typical application scenarios
- Industrial Ethernet network distribution.
- Factory control-room network infrastructure.
- Engineering workstation and server connectivity.
- VLAN-based separation of automation and business networks.
- Fiber uplinks between network cabinets or buildings.
- Legacy enterprise LAN maintenance.
Field pitfalls
- Shared port configuration: The four dual-personality ports do not provide eight independent connections. Each port position operates through either its RJ45 interface or mini-GBIC slot. Account for this when planning network capacity.
- Transceiver compatibility: HP documentation specifies revision B or later for supported mini-GBIC modules. Check the exact transceiver part number and revision before installation.
Hewlett Packard Enterprise
- Environmental limitations: The specified operating range is 0°C to 45°C. Avoid installing this switch in an uncontrolled outdoor cabinet or high-temperature production area without suitable environmental protection.
- Legacy network security: The 2810 platform is an older Layer 2 generation. Review its available firmware, management protocols, authentication settings, and security requirements before connecting it to a modern production network.
- Redundant power configuration: The optional external redundant power supply requires the compatible HP power system. Do not assume that the switch contains two independent internal power supplies.
Related Products
| Model | Description | Relationship |
|---|---|---|
| J9021A | ProCurve 2810-24G, 24-port switch | Lower-port-count family member |
| J8168A | ProCurve 600 Redundant External Power Supply | Optional redundant power system |
| J4858B | Gigabit-LH-LC mini-GBIC | Compatible fiber transceiver family |
| J4859C | Gigabit-LX-LC mini-GBIC | Compatible fiber transceiver family |
| J4860B | Gigabit-LH-LC mini-GBIC | Long-distance single-mode fiber option |
Verify transceiver revision and supported fiber specifications before procurement.
Procurement and Quality-Control Notes
Before ordering the HP ProCurve J9022A, verify:
- Complete model designation: 2810-48G.
- HP product number: J9022A.
- All 44 fixed RJ45 ports.
- Four dual-personality ports and mini-GBIC slots.
- Serial console access and management interface.
- Internal power supply and cooling fan condition.
- Installed firmware version and saved configuration.
- MAC address table and port error counters.
- Compatibility of installed SFP transceivers.
- External redundant power connector condition.
Legacy product
The HP ProCurve 2810 series is a legacy networking platform. Replacement planning should account for firmware availability, management compatibility, and security requirements rather than relying only on physical port compatibility.
Procurement recommendation: For maintenance of an existing network, prioritize an exact J9022A hardware match. Request a full 48-port functional test, fiber-link verification, console-access test, and power-cycle test. A basic power-on test does not establish switching performance or port reliability.
