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

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Product Description

The JG237A HP features 44 RJ-45 autosensing 10/100/1000 PoE+ ports compliant with IEEE 802.3 standards, including 10BASE-T, 100BASE-TX, and 1000BASE-T, alongside 4 dual-personality ports and 2 port expansion module slots, supporting a total of 48 autosensing ports. It operates within a temperature range of 32°F to 113°F (0°C to 45°C) and a humidity range of -40°F to 158°F (-40°C to 70°C), ensuring reliability in diverse environments. With a maximum power rating of 651 W, idle power of 90 W, and PoE power of 370 W, it is designed for efficient energy use, while fitting in a 1U height, 19-inch rack enclosure, making it ideal for compact network setups.

FAQs for the JG237A

  • What types of networks can the device with 44 RJ-45 autosensing 10/100/1000 PoE+ ports support?
    The device supports 10BASE-T, 100BASE-TX, and 1000BASE-T networks and complies with IEEE 802.3, 802.3u, 802.3ab, and 802.3at PoE+ standards.
  • How many total autosensing ports does the product support?
    It supports a maximum of 48 autosensing 10/100/1000 ports, including 44 RJ-45 PoE+ ports and 4 dual-personality ports.
  • What are the dimensions and weight of this networking device?
    The device measures 17.32 inches in width, 16.54 inches in depth, 1.72 inches in height (43.99 x 42.01 x 4.37 cm), and weighs 16.53 lb (7.5 kg).
  • Can the device be mounted in any type of rack?
    It is designed to mount in an EIA standard 19-inch telco rack or equipment cabinet, with mounting hardware included.
  • What is the operating temperature range for this device?
    The operating temperature ranges from 32°F (0°C) to 113°F (45°C).
  • What power supply options are available for this product?
    The device operates with an AC voltage of 100 - 240 VAC and includes a redundant power supply (RPS) option for improved reliability.
  • What is the maximum power rating and PoE power capability?
    The maximum power rating is 651 W, with a PoE power capability of 370 W PoE+.
  • What are the minimum and maximum nonoperating storage relative humidity levels?
    The minimum nonoperating/storage relative humidity is 5% noncondensing, and the maximum is 95%, noncondensing.
  • How does the device handle heat dissipation?
    It has a maximum heat dissipation of 2221 BTU/hr for AC and 3142 BTU/hr for RPS, ensuring efficient management of excess heat.
  • What are the acoustic levels for the device's fans?
    The low-speed fan operates at 49.5dB, and the high-speed fan at 54.1dB, as measured by ISO 7779 standards.

Product Review

The HP JG237A offers a comprehensive suite of features including 44 autosensing 10/100/1000 PoE+ ports, four dual-personality ports, and two expansion slots, making it versatile for a variety of network configurations. However, its power consumption peaks at 651W with a significant idle power usage of 90W, which could impact operational costs over time. Additionally, while its 1U rack-mount design is space-efficient for data centers, the noise level from its fans, ranging from 49.5dB to 54.1dB, might be a consideration for environments where noise is a concern.


The HP JG237A is a networking switch designed for efficiency and scalability in business environments. It offers a comprehensive set of features tailored for enhanced connectivity and power management. The device is equipped with 44 RJ-45 autosensing 10/100/1000 PoE+ ports, supporting a range of Ethernet standards including IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, and IEEE 802.3ab Type 1000BASE-T. These ports provide flexibility in connecting devices with different speed requirements and support Power over Ethernet Plus (PoE+) for powering connected devices such as VoIP phones and wireless access points without the need for additional power supplies. Additionally, the HP JG237A includes four dual-personality ports, allowing for either 10/100/1000BASE-T connections or fiber connectivity via SFP modules. This enhances the switch’s adaptability to various network architectures. The switch also features two port expansion module slots, further extending its capability to support up to 48 autosensing 10/100/1000 ports. A single RJ-45 serial console port is available for management and setup. - The device measures 17.32 inches in width, 16.54 inches in depth, and 1.72 inches in height, conforming to a 1U rack-mount form factor for easy installation in standard 19-inch telco racks or equipment cabinets. - Its design prioritizes efficient power use, with a maximum power rating of 651 W, an idle power consumption of 90 W, and a PoE power budget of 370 W for PoE+ devices. - The operational temperature range is from 32°F to 113°F, with a non-operating/storage humidity tolerance of 5% to 95% noncondensing, ensuring reliability under various environmental conditions. The switch operates quietly, with a low-speed fan noise level of 49.5dB and a high-speed fan noise level of 54.1dB, minimizing distraction in work environments. It supports a frequency range of 50/60 Hz and has a maximum heat dissipation of 2221 BTU/hr for AC power, with an increased dissipation of 3142 BTU/hr when using a Redundant Power Supply (RPS), ensuring the switch remains operational and reliable under heavy loads. The HP JG237A's robust feature set, including advanced power management, versatile connectivity options, and efficient operation, make it suitable for enterprises seeking to enhance their network infrastructure with a scalable, high-performance switching solution. Its compact design, ease of installation, and quiet operation complement its technical capabilities, making it a practical choice for various business environments.


Part NumberHP JG237A
Input/Output Ports44 Ethernet PoE+ ports supporting 10/100/1000 Mbps (IEEE 802.3, 802.3u, 802.3ab, 802.3at); 4 combo ports; 2 expansion slots; 1 console port
Media InterfaceAuto-MDIX
Transmission SpeedHalf/full duplex for 10/100 Mbps, full duplex for 1000 Mbps
Additional Interfaces4 combo Gigabit Ethernet/SFP ports; Supports up to 48 Gigabit Ethernet ports in total
Console Port1 RJ-45 serial interface
Width17.32 inches (43.99 cm)
Depth16.54 inches (42.01 cm)
Height1.72 inches (4.37 cm)
Weight16.53 pounds (7.5 kg)
MountingCompatible with 19-inch EIA-standard racks and cabinets, mounting hardware included
Operating Temperature Range32°F to 113°F (0°C to 45°C)
Storage Temperature Range-40°F to 158°F (-40°C to 70°C)
Operating Humidity Range5% to 95%, non-condensing
Non-Operating Humidity Range5% to 95%, non-condensing
Acoustic NoiseLow-speed fan: 49.5 dB, High-speed fan: 54.1 dB, according to ISO 7779
Frequency50/60 Hz
Heat Dissipation2221 BTU/hr (2343.15 kJ/hr) for AC, 3142 BTU/hr for RPS
AC Input100 - 240 VAC
Maximum Power Consumption651 W
Idle Power Consumption90 W
Power Over Ethernet Budget370 W for PoE+

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