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by Hp
Product Line: Hp 5510 Series
Product Type: Switch
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Product Description

The JH149A HP features 16 fixed Gigabit Ethernet SFP ports, with ports 1—8 supporting MACsec and 8 Combo GbE (SFP and RJ-45) dual-personality ports for versatile connectivity. It includes 4 SFP+ 10GbE ports and one port expansion module slot, allowing for a configurable maximum of 6 SFP+ ports, 2 1/10GBASE-T ports, or 2 40GbE ports with an optional module. Designed for easy integration, this device fits in a standard 19-inch rack, supports a temperature range of 32°F to 113°F with a non-operating range of -40°F to 158°F, and operates quietly with an acoustic level of 50.5 dB at low speed and 66.9 dB at high speed.

FAQs for the JH149A

  • What are the types of I/O ports and slots available on this device?
    The device includes 16 fixed Gigabit Ethernet SFP ports, with ports 1–8 supporting MACsec. It also offers 8 Combo GbE (SFP and RJ-45) dual-personality ports, 4 SFP+ 10GbE ports, and 1 port expansion module slot.
  • Does the device support full duplex on all ports?
    Yes, ports 1–24 support full duplex for 10BASE-T/100BASE-TX, and 1000BASE-T standards.
  • Can you expand the number of SFP+ ports?
    With an optional module, the device supports a maximum of 6 SFP+ ports or 2 1/10GBASE-T ports or 2 40GbE ports.
  • What are the additional ports and slots included?
    The device includes 1 dual-personality (RJ-45 or mini USB) serial console port, 1 RJ-45 out-of-band management port, and 1 USB 2.0 port.
  • How many power supplies does the device support, and what is the minimum requirement?
    The device has 2 power supply slots, with a minimum of 1 power supply required for operation.
  • What is the airflow direction for the fan tray?
    Airflow direction is from the front (port side) to the back (power cord side).
  • What are the physical dimensions of the device?
    The device measures 17.32 inches (43.99 cm) in width, 14.17 inches (35.99 cm) in depth, and 1.72 inches (4.37 cm) in height, fitting a 1U rack space.
  • How much does the device weigh?
    The shipping weight of the device is 16.53 lb (7.5 kg).
  • What are the operating temperature and humidity ranges for the device?
    The operating temperature range is 32°F (0°C) to 113°F (45°C), with a relative humidity range of 10% to 90%, noncondensing.
  • What are the nonoperating temperature and humidity specifications?
    For storage, the temperature range is -40°F to 158°F (-40°C to 70°C) with a relative humidity of 5% to 95%, noncondensing.

Product Review

The HP JH149A offers a diverse range of I/O ports, including 16 fixed Gigabit Ethernet SFP ports, with the first eight supporting MACsec, and four SFP+ 10GbE ports, enhancing its connectivity options for various network configurations. However, its noise levels range from 50.5 dB in low-speed mode to 66.9 dB in high-speed mode, which may be a consideration for environments where noise is a concern. Additionally, the switch's flexibility is further highlighted by its support for up to six SFP+ ports or two 40GbE ports with an optional module, but it requires careful planning around power supply and cooling requirements due to its specific airflow direction and operating temperature limits.


The HP JH149A is a versatile networking switch designed to meet the demands of modern data centers and enterprise networks. This device is equipped with a variety of ports and slots to ensure flexibility and scalability in network design and deployment. The hardware specifications highlight its capability to handle high-speed data transmission and secure network connections. At the core of its design, the HP JH149A features 16 fixed Gigabit Ethernet SFP ports, which are essential for fiber optic connections. Notably, ports 1 through 8 support MACsec, providing enhanced security for data in transit. Additionally, the switch offers 8 Combo GbE (SFP and RJ-45) dual-personality ports operating at 1000 Mbps, compliant with IEEE 802.3ab Type 1000BASE-T standards. This dual-personality feature allows for flexible use of either fiber or copper interfaces, accommodating various network infrastructure needs.
  • Duplex ports 1–24 support Ethernet standards 10BASE-T/100BASE-TX, and 1000BASE-T, exclusively in full duplex mode, ensuring efficient data flow and reduced collision domains.
  • The inclusion of 4 SFP+ 10GbE ports extends the device's capability to support high-speed network backbones, making it suitable for environments demanding greater bandwidth.
  • An expansion slot is available for port modules, allowing the switch to support up to 6 SFP+ ports, 2 1/10GBASE-T ports, or 2 40GbE ports with an optional module, further enhancing its adaptability to network requirements.
The HP JH149A also includes a dual-personality (RJ-45 or mini USB) serial console port for management, an RJ-45 out-of-band management port, and a USB 2.0 port for storage and firmware updates, offering multiple management interfaces to suit different operational preferences. Designed with practicality in mind, the device accommodates two power supply slots, requiring a minimum of one power supply to operate. The fan tray design facilitates airflow from the front (port side) to the back (power cord side), ensuring efficient cooling for reliable performance under various operational conditions. The physical dimensions of the HP JH149A are tailored for easy installation, fitting in a standard 19-inch telco rack or equipment cabinet with a 1U height profile. Its shipping weight is 16.53 lb (7.5 kg), reflecting its solid build quality without being excessively heavy. Operating conditions are set to ensure reliability across a wide range of environments, with an operating temperature range from 32°F (0°C) to 113°F (45°C) and a relative humidity range from 10% to 90%, noncondensing. For nonoperating or storage conditions, the device can withstand temperatures from -40°F to 158°F (-40°C to 70°C) and a relative humidity of 5% to 95%, noncondensing. The acoustic levels vary with fan speed, ranging from 50.5 dB in low-speed mode to 66.9 dB in high-speed mode, compliant with ISO 7779 standards. In summary, the HP JH149A is engineered to cater to the complex needs of modern networks, offering a blend of performance, security, and flexibility. Its comprehensive set of features and specifications make it a suitable choice for enterprises looking to build or expand their network infrastructure.


Part NumberHP JH149A
Input/Output Interfaces16 SFP Gigabit Ethernet interfaces; 1-8 ports MACsec compliant, 8 Combo Gigabit (SFP/RJ-45) interfaces, 1000 Mbps, conforming to IEEE 802.3ab (1000BASE-T)
Input/Output InterfacesFull duplex on ports 1–24 for 10BASE-T/100BASE-TX, 1000BASE-T connectivity
Input/Output InterfacesFour 10GbE SFP+ interfaces
Input/Output InterfacesOne slot for expansion modules
Input/Output InterfacesExpansion slot supports up to 6 SFP+ ports or 2 1/10GBASE-T ports or 2 40GbE ports with an optional module
Additional InterfacesOne dual-purpose (RJ-45 or mini USB) serial console interface
Additional InterfacesOne RJ-45 management port for out-of-band access
Additional InterfacesOne USB 2.0 port
Power Supply SlotsTwo slots for power supplies; requires at least one
Cooling SystemAir flows from the front (port side) to the back (power supply side)
DimensionsWidth: 17.32 in (43.99 cm); Depth: 14.17 in (35.99 cm); Height: 1.72 in (4.37 cm); 1U rack unit
Shipping Weight16.53 lbs (7.5 kg)
MountingCompatible with EIA-standard 19-inch racks and cabinets
Operating Temperature Range32°F to 113°F (0°C to 45°C)
Operational Humidity Range10% to 90%, noncondensing
Storage Temperature Range-40°F to 158°F (-40°C to 70°C)
Storage Humidity Range5% to 95%, noncondensing
Acoustic NoiseLow-speed fan: 50.5 dB; High-speed fan: 66.9 dB; based on ISO 7779

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