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HPE J9991A Expansion Module - 24-Port RJ-45 - 20x Gigabit + 4 x 10GbE - For HP 5400R zl2 Switch Series
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Product Features
Technical Overview
This expansion module delivers a total of 24 RJ-45 ports, configured as 20 ports of Gigabit Ethernet (1000Base-T) and 4 ports of 10 Gigabit Ethernet (10GBase-T). It supports a maximum data transfer rate of 10 Gbit/s, enabling high-speed network segments for bandwidth-intensive tasks.
The module uses twisted-pair copper cabling, making it compatible with existing Cat5e, Cat6, or higher cabling infrastructure. It is designed for data networking applications, providing a cost-effective solution for adding ports to supported HP switch chassis.
This section brings together practical product details such as Application/Usage, Total Number of Ports, Connector Type, Interfaces/Ports Details, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
The HPE J9991A expansion module offers several distinct advantages for network administrators looking to scale their infrastructure efficiently.
Port Density Expansion
Adds 24 additional RJ-45 ports to compatible HP switches, increasing connectivity for more devices or network segments without requiring a full switch replacement.
- 20 Gigabit Ethernet ports for standard devices
- 4 10GbE ports for high-speed uplinks or servers
Backward Compatibility
Supports existing twisted-pair cabling, allowing integration into current network setups without rewiring. The RJ-45 connectors are industry-standard for easy connectivity.
- Works with Cat5e/Cat6/Cat6a cables
- Maintains network consistency
Deployment / Use Cases
This expansion module is ideal for environments where network port capacity needs to grow without overhauling the core switching infrastructure. It suits various deployment scenarios in enterprise and data center settings.
Common use cases include adding ports for new workstations, connecting additional servers with 10GbE links, or expanding connectivity in server racks. The module is specifically compatible with the HP 5400R zl2 Switch Series, making it a targeted upgrade for those platforms.
Enterprise Network Expansion
Deploy in office networks to connect more devices like computers, printers, and IP phones as the organization grows, leveraging existing cabling.
Data Center Rack Integration
Install in server racks to provide additional high-speed ports for servers or storage arrays, using the 10GbE ports for improved throughput.
Physical Profile
The module has a compact form factor with dimensions of 1.75" height, 10.30" width, and 8.13" depth, designed to fit into switch chassis slots. It weighs approximately 2.07 pounds, making it lightweight for easy installation. The environmentally friendly design supports sustainable IT practices.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 1.75" (44.45 mm), 10.30" (261.62 mm), 8.13" (206.50 mm), 2.07 lb (938.94 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 10.30" (261.62 mm)
- Depth
- 8.13" (206.50 mm)
- Height
- 1.75" (44.45 mm)
- Weight
- 2.07 lb (938.94 g)
Highlights
- 24 total RJ-45 ports for expanded network connectivity
- 20 Gigabit Ethernet ports supporting 1000Base-T technology
- 4 10 Gigabit Ethernet ports for high-speed 10GBase-T links
- Maximum data transfer rate of 10 Gbit/s
- Uses twisted-pair copper cabling (Cat5e/Cat6/Cat6a)
- Compatible with HP 5400R zl2 Switch Series
- Hot-pluggable design for easy installation and maintenance
- Compact dimensions: 1.75" H x 10.30" W x 8.13" D
- Environmentally friendly construction
Specifications
| Specifications | |
|---|---|
| Manufacturer | Hewlett Packard Enterprise |
| Manufacturer Part Number | J9991A |
| Brand Name | HPE |
| Product Name | Expansion Module |
| Product Type | Expansion Module |
| Packaged Quantity | 1 |
| Technical Information | |
| Application/Usage | Data Networking |
| Interfaces/Ports | |
| Total Number of Ports | 24 |
| Connector Type | RJ-45 |
| Interfaces/Ports Details | 20 x RJ-45 1000Base-T LAN,4 x RJ-45 10GBase-T LAN |
| Media & Performance | |
| Media Type Supported | Twisted Pair |
| Ethernet Technology | Gigabit Ethernet,10 Gigabit Ethernet |
| Network Technology | 1000Base-T,10GBase-T |
| Maximum Data Transfer Rate | 10 Gbit/s |
| Physical Characteristics | |
| Height | 1.75" (44.45 mm) |
| Width | 10.30" (261.62 mm) |
| Depth | 8.13" (206.50 mm) |
| Weight (Approximate) | 2.07 lb (938.94 g) |
| Miscellaneous | |
| Compatibility | HP 5400R zl2 Switch Series |
| Environmentally Friendly | Yes |
FAQ
What switch models is the HPE J9991A expansion module compatible with?
The HPE J9991A expansion module is specifically designed for compatibility with the HP 5400R zl2 Switch Series. It integrates into these switches to add additional RJ-45 ports, providing a seamless upgrade for expanding network capacity without replacing the entire switch chassis.
How many ports does this expansion module provide, and what are their speeds?
This module offers a total of 24 RJ-45 ports. It includes 20 ports that operate at Gigabit Ethernet speeds (1000Base-T) and 4 ports that support 10 Gigabit Ethernet (10GBase-T). This configuration allows for a mix of standard and high-speed connections in your network.
What type of cabling does the HPE J9991A module support?
The HPE J9991A expansion module supports twisted-pair copper cabling, such as Cat5e, Cat6, or Cat6a cables. It uses RJ-45 connectors, making it compatible with existing network infrastructure and easy to deploy without specialized fiber optics.
What is the maximum data transfer rate of this expansion module?
The maximum data transfer rate for the HPE J9991A expansion module is 10 Gbit/s. This applies to the 10GbE ports, enabling high-speed network segments for applications like server connections or uplinks that require greater bandwidth.
What are the physical dimensions and weight of the module?
The module measures 1.75 inches in height, 10.30 inches in width, and 8.13 inches in depth, with an approximate weight of 2.07 pounds. Its compact size allows it to fit into switch chassis slots efficiently, and the lightweight design facilitates easy handling during installation.
Is this expansion module hot-pluggable?
Yes, the HPE J9991A expansion module is designed with hot-pluggable support, allowing it to be installed or removed from a compatible switch without powering down the system. This feature minimizes network downtime and simplifies maintenance in live environments.