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HP J4842A ProCurve 8x 1000Base-T RJ-45 Expansion Module
- 8-Port Gigabit Ethernet Expansion Module
- Interface: 8 x 1000Base-T RJ-45 ports
- Designed for HP ProCurve switches
- Provides high-speed network connectivity
- Allows for network segmentation and expansion
- Hot-swappable for easy installation and replacement
- Supports full-duplex operation
- Enhances network port density on compatible switches
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Product Overview
The HP J4842A is an expansion module for HP ProCurve switches, providing 8 ports of 1000Base-T Gigabit Ethernet connectivity. It allows for increased network port density and high-speed network expansion.
Technical Information
| Product Type | Network Expansion Module |
| Ports | 8 x 1000Base-T RJ-45 |
| Speed | Gigabit Ethernet (10/100/1000 Mbps) |
Additional Specifications
| Compatibility | HP ProCurve Switches |
| Form Factor | Module |
| Features | Hot-swappable |
Product Description
The HP J4842A is a dedicated network expansion module designed to enhance the capabilities of compatible HP ProCurve network switches. This module provides an additional eight ports of Gigabit Ethernet connectivity, utilizing the standard RJ-45 connector for 1000Base-T connections. It is an ideal solution for businesses looking to expand their network infrastructure, add more high-speed connections for end devices, or segment their network for improved performance and security. This module allows administrators to easily increase the port density of their existing ProCurve switch chassis without replacing the entire unit. The 1000Base-T ports support speeds of 10/100/1000 Mbps, offering flexible connectivity options for various network devices, including servers, workstations, and other network infrastructure components. The full-duplex capability ensures efficient data flow, doubling the potential throughput for each port. Designed for ease of use, the J4842A module is typically hot-swappable, meaning it can be installed or removed from the switch chassis while the switch is powered on and operational. This feature minimizes network downtime during upgrades or maintenance. The module integrates seamlessly with HP ProCurve switches, providing a reliable and scalable way to meet growing network demands.



