Detailed Specifications
HP J4904A - ProCurve Switch 2848 Gigabit
Overview :
The HP J4904A is a managed 48-port Gigabit Ethernet switch designed for network engineers and IT infrastructure teams who require high-density access layer connectivity and uplinks. It provides 44 auto-sensing RJ-45 ports operating at 10/100/1000 Mbps alongside four dual-personality ports that support either 10/100/1000 RJ-45 or mini-GBIC modules, enabling flexible fiber or copper uplinks. This device is well suited for deployment in campus wiring closets, branch office racks or data-center access layers where consolidation of Gigabit access and uplinks is required. It integrates with standard SNMP and CLI management tools, supports VLANs and link aggregation, and fits into a 1U 19-inch rack environment alongside other networking gear.
Key Features :
44 × 10/100/1000 RJ-45 ports for full Gigabit access
4 dual-personality ports: RJ-45 or mini-GBIC uplink
Switching capacity of 96 Gbps and throughput of ~71.4 mpps
Full suite of VLAN, link-aggregation and stacked-managed fabric support
Rack-mountable 1U form factor with dimensions 17.3″ × 16.9″ × 1.7″
Specifications :
| Parameter | Value |
|---|
| Brand | HP |
| Part Number | J4904A |
| Product Type | Managed Gigabit Switch - 48 port |
| Access Ports | 44 × 10/100/1000 RJ-45 |
| Dual-Personality Ports | 4 × (RJ-45 10/100/1000 or mini-GBIC) |
| Backplane Capacity | 96 Gbps |
| Maximum Throughput | 71.4 million packets per second |
| Dimensions (W×D×H) | 17.32″ × 16.9″ × 1.7″ |
| Weight | 10.75 lbs |
| Operating Temp Range | 0 °C to 55 °C (32 °F to 131 °F) |
| Power Supply Voltage | 100-127 VAC or 200-240 VAC |
| Power Consumption | 100 W |
| Supported VLANs | Up to 4,096 VLAN IDs via 802.1Q |
| Jumbo Frame Support | Up to 9,216 bytes |
| Console Port | 1 × RS-232C DB-9 |
