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by Hp
Product Line: Hp 5510 Series
Product Type: Switch
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Original price $0.00 - Original price $0.00
Original price
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Current price $0.00
Title: Surplus

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Product Description

The JH145A HP features 24 RJ-45 autosensing 10/100/1000 ports compliant with IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, and IEEE 802.3ab Type 1000BASE-T standards, alongside 4 SFP+ 10GbE ports and a flexible port expansion module slot supporting up to 6 SFP+ ports, 2 1/10GBASE-T ports, or 2 40GbE ports. It is equipped with 1 dual-personality (RJ-45 or mini USB) serial console port, 1 USB 2.0 port, and 1 RJ-45 out-of-band management port, housed within a 1U-high enclosure measuring 17.32 inches wide, 14.17 inches deep, and 1.72 inches high. This device operates within a temperature range of 32°F to 113°F (0°C to 45°C) and supports a dual power supply configuration, with a maximum power consumption of 107W and an idle power draw of 55W.

FAQs for the JH145A

  • What are the types of ports available on this device?
    • The device features 24 RJ-45 autosensing 10/100/1000 ports, 4 SFP+ 10GbE ports, 1 dual-personality serial console port (RJ-45 or mini USB), 1 USB 2.0 port, and 1 RJ-45 out-of-band management port.
  • How does the expansion module slot enhance connectivity?
    • It supports up to 6 SFP+ ports or 2 1/10GBASE-T ports or 2 40GbE ports, allowing for flexible network expansion.
  • What power supply configuration does this device support?
    • This device has 2 power supply slots and requires at least 1 power supply to operate.
  • Can you explain the airflow direction for cooling?
    • Airflow direction is from the front (port side) to the back, facilitated by a fan tray to ensure proper cooling.
  • What are the physical dimensions and weight of this device?
    • The device measures 17.32 inches in width, 14.17 inches in depth, and 1.72 inches in height, with a shipping weight of 16.53 lb.
  • What are the environmental operating conditions for this device?
    • It operates between 32°F and 113°F, with a relative humidity range of 10% to 90%, noncondensing.
  • What are the storage conditions for this device?
    • Storage temperature ranges from -40°F to 158°F with a relative humidity of 5% to 95%, noncondensing.
  • What is the acoustic noise level of this device?
    • The noise level varies from 52.8 dB in low-speed mode to 66.7 dB in high-speed mode, according to ISO 7779 standards.
  • What is the power consumption and heat dissipation of this device?
    • Maximum power rating is 107W, with idle power at 55W. Heat dissipation ranges from 167 BTU/hr to 392 BTU/hr, depending on the power supply configuration.
  • How does this device mount in a rack?
    • It mounts in an EIA standard 19-inch telco rack or equipment cabinet, fitting within a 1U height space.

Product Review

The HP JH145A offers a versatile range of I/O options, including 24 RJ-45 autosensing ports and four SFP+ 10GbE ports, enhanced by the flexibility of one port expansion module slot for additional connectivity. However, its reliance on a single power supply for operation, out of two slots, may pose a risk for mission-critical environments requiring uninterrupted power. The device's compact 1U form factor and operational temperature range provide a suitable solution for various rack environments, albeit the high-speed fan noise level at 66.7 dB could be a concern in quieter office settings.


The HP JH145A is a versatile networking switch designed for efficiency and scalability in various enterprise environments. This device offers a comprehensive array of I/O ports and slots, including 24 RJ-45 autosensing 10/100/1000 ports that support IEEE standards like 10BASE-T, 100BASE-TX, and 1000BASE-T, facilitating flexible connectivity options for different network speeds. The ports come with Auto-MDIX media type and are capable of full duplex operation, ensuring seamless communication across the network. Notably, ports 1–8 are enhanced with MACsec support, providing added security for network traffic.
  • 4 SFP+ 10GbE ports for high-speed connectivity and upscaling network performance.
  • 1 port expansion module slot, allowing for customization with additional SFP+ ports, 1/10GBASE-T ports, or 40GbE ports.
  • Dual-personality console port (RJ-45 or mini USB), USB 2.0 port, and an RJ-45 out-of-band management port for versatile management and operational options.
The hardware is built with resilience in mind, featuring two power supply slots (with at least one required for operation) and a fan tray designed for efficient airflow from the front to the back, ensuring optimal cooling even under heavy loads. The HP JH145A's physical dimensions are compact, fitting a 1U height rack space with a width of 17.32 inches (44 cm), a depth of 14.17 inches (36 cm), and a height of 1.72 inches (4.37 cm), making it suitable for standard 19-inch telco racks or equipment cabinets. Weighing at 16.53 lb (7.5 kg) shipping weight, this switch is relatively easy to handle and install. It operates reliably across a wide range of temperatures from 32°F (0°C) to 113°F (45°C) and can withstand non-operating temperatures from -40°F to 158°F (-40°C to 70°C), ensuring durability in various environmental conditions. The device maintains operational efficiency with a humidity range from 10% to 90% noncondensing for operating conditions and 5% to 95% for non-operating storage, which is testament to its reliability in diverse settings. Acoustically, the switch operates within a noise level of 52.8 dB in low-speed fan mode and up to 66.7 dB in high-speed mode, balancing performance with noise. Energy efficiency is a key consideration, with a maximum power rating of 107W and an idle power consumption of 55W. The switch's power supply is adaptable, supporting a voltage range of 100–240 VAC and a DC input of -48 to -60 VDC, accommodating various power sources and configurations. The maximum heat dissipation ranges from 167 BTU/hr to 392 BTU/hr, depending on the power supply configuration, ensuring the system remains cool. Overall, the HP JH145A offers a reliable, flexible solution for expanding network capacity and enhancing security, making it suitable for a wide range of enterprise networking needs.


Part NumberHP JH145A
Interface Options24 auto-negotiating 10/100/1000BASE-T ports (compliant with IEEE 802.3, 802.3u, and 802.3ab); Auto-MDIX supported; Full-duplex operation on ports 1–24 for 10/100/1000 Mbps; Ports 1–8 offer MACsec support; 4 SFP+ slots for 10GbE
Expansion OptionsOne module slot for expansion, supporting up to 6 SFP+ ports, or 2 1/10GBASE-T ports, or 2 40GbE ports with an optional module
Console PortOne versatile port supporting RJ-45 or mini USB connection
USB PortOne USB 2.0 port
Management PortOne RJ-45 out-of-band management port
Power Supply CapacityTwo slots for power supply units, one unit required at minimum
CoolingAirflow from the front (port side) to the back via fan tray
Width17.32 in (44.00 cm), 1U rack height
Depth14.17 in (36.00 cm), 1U rack height
Height1.72 in (4.37 cm), 1U rack height
Shipping Weight16.53 lb (7.5 kg)
InstallationCompatible with standard 19-inch EIA telco racks or equipment cabinets
Operational Temperature Range32°F to 113°F (0°C to 45°C)
Operational Humidity Range10% to 90%, non-condensing
Storage Temperature Range-40°F to 158°F (-40°C to 70°C)
Storage Humidity Range5% to 95%, non-condensing
Noise Level52.8 dB under low-speed operation, 66.7 dB under high-speed operation; measured according to ISO 7779
Power Requirements100–240 VAC, rated (90–264 VAC, max); -48 to -60 VDC, rated (-36 to -72 VDC, max)
Heat Dissipation365 BTU/hr maximum (385.08 kJ/hr), varying from 167 BTU/hr to 392 BTU/hr based on power supply configuration
Power Frequency50/60 Hz
Maximum Power Consumption107W
Idle Power Consumption55W

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