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HP J4889-61101 ProCurve 9300 EP 48 x Ports 10/100Base-TX RJ-21 Layer 2 Unmanaged Expansion Switch Mo...
- Product Type: Network Expansion Switch
- Series: HP ProCurve 9300
- Number of Ports: 48 x 10/100Base-TX RJ-21
- Switching Layer: Layer 2
- Management: Unmanaged
- Designed for high port density
- Utilizes RJ-21 connectors (requires specific cabling)
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Product Overview
The HP J4889-61101 is a ProCurve 9300 series expansion switch with 48 x 10/100Base-TX RJ-21 ports. It operates as a Layer 2 unmanaged switch, designed to add significant port density.
Technical Information
| Product Type | Network Expansion Switch |
| Series | ProCurve 9300 |
| Number of Ports | 48 x 10/100Base-TX RJ-21 |
| Switching Layer | Layer 2 |
Additional Specifications
| Management | Unmanaged |
| Brand | HP |
| Connector Type | RJ-21 |
Product Description
The HP J4889-61101 is an expansion switch module from the HP ProCurve 9300 series, specifically designed to add a large number of network ports to an existing infrastructure. It features 48 ports operating at 10/100 Mbps (Fast Ethernet) using RJ-21 connectors. The RJ-21 connector is a modular connector that can carry multiple individual telephone-style connections, often used in high-density cabling scenarios to reduce the number of physical cables required. As an unmanaged Layer 2 switch, this module operates straightforwardly, forwarding traffic based on MAC addresses without requiring complex configuration or management interfaces. This makes it ideal for plug-and-play deployments where simplicity and port density are the primary requirements. Its role is to extend network reach by providing numerous connection points for end devices. This expansion switch is suitable for environments such as large office buildings, campuses, or data centers that need to connect a high volume of devices like workstations, IP phones, or other network endpoints. The ProCurve 9300 series was known for its modularity and scalability, and this module exemplifies that by offering a high count of ports in a compact form factor, albeit with the specific requirement of RJ-21 cabling.
