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Overview
The HP JL258A is a compact and efficient networking solution designed to meet the needs of modern businesses requiring reliable connectivity and Power over Ethernet (PoE+) capabilities. This device integrates a range of features and specifications that make it a versatile choice for various networking environments.
At its core, the HP JL258A features eight RJ-45 autosensing 10/100/1000 PoE+ ports that support various IEEE standards, including 802.3 for 10BASE-T, 802.3u for 100BASE-TX, 802.3ab for 1000BASE-T, and 802.3at for PoE+. These ports offer the flexibility of half or full duplex modes for 10BASE-T/100BASE-TX and full duplex mode only for 1000BASE-T. Additionally, the device includes two SFP+ 1/10GbE ports for high-speed uplinks and a dual-personality serial console port (RJ-45 or USB micro-B), enhancing its connectivity options.
- 8 RJ-45 autosensing 10/100/1000 PoE+ ports
- 2 SFP+ 1/10GbE ports
- 1 dual-personality serial console port
The HP JL258A is designed with a compact form factor, measuring 10 inches in width and depth, and 1.73 inches in height, conforming to the 1U rack-mountable standard. This makes it suitable for deployment in environments where space is at a premium. The device’s weight is 4.41 lb (2.0 kg), emphasizing its lightweight and portable nature.
Operating within a broad range of temperatures and humidity levels, the HP JL258A can function between 32°F (0°C) and 113°F (45°C), with operational efficiency up to 5,000 feet elevation, and maintain performance in environments up to 10,000 feet with slightly adjusted temperature limits. It supports a non-operating/storage temperature range from -40°F to 158°F (-40°C to 70°C) and can withstand non-operating/storage relative humidity from 15% to 95% at up to 149°F (65°C). These operational parameters ensure reliability across various environmental conditions.
The device boasts an acoustic design with 0 dB power and pressure levels, indicating a fanless operation that contributes to a quieter working environment. Power efficiency is certified by DoE VI, with a maximum heat dissipation of 58.6 BTU/hr (61.8 kj/hr), and operates on a voltage range of 90 - 264 VAC, rated at a current of 2.6 A. The maximum power rating stands at 155 W, with a dedicated 125 W for PoE+, ensuring ample power for connected devices.
From an emissions standpoint, the HP JL258A complies with multiple standards including EN 55032:2012/CISPR 32 Class A, FCC CFR 47 Part 15 Class A, VCCI Class A, ICES-003 Class A, and CNS 13438, ensuring its operation does not interfere with other equipment.
In summary, the HP JL258A melds high connectivity, power efficiency, and operational versatility in a compact, fanless design. Its wide range of ports, environmental resilience, and compliance with emissions standards make it an ideal choice for businesses looking to deploy a reliable and efficient networking infrastructure.
Specs
| Part Number and Manufacturer | HP JL258A |
| Ports and Interfaces | 8 auto-detecting 10/100/1000 PoE+ RJ-45 ports compliant with IEEE 802.3, 802.3u, 802.3ab, and 802.3at standards; Half/full duplex for 10/100BASE-TX, full duplex for 1000BASE-T |
| Expansion Slots | 2 SFP+ slots supporting 1/10GbE, without PHY |
| Console Port | 1 console port, selectable between RJ-45 and USB micro-B |
| Width | 10 inches (25.4 cm), 1U rack unit |
| Depth | 10 inches (25.4 cm), 1U rack unit |
| Height | 1.73 inches (4.39 cm), 1U rack unit |
| Weight | 4.41 pounds (2.0 kg) |
| Minimum Operating Temperature | 32°F (0°C) up to 5,000 ft elevation; remains 0°C at up to 10,000 ft elevation |
| Maximum Operating Temperature | 113°F (45°C) up to 5,000 ft elevation; 104°F (40°C) at up to 10,000 ft elevation |
| Minimum Operating Humidity | 15% at 104°F (40°C), non-condensing |
| Maximum Operating Humidity | 95% at 104°F (40°C), non-condensing |
| Storage Temperature | -40°F to 158°F (-40°C to 70°C) up to 15,000 ft elevation |
| Storage Humidity | 15% to 95% at 149°F (65°C) |
| Acoustic Noise Level | 0 dB, fanless design |
| Frequency Range | 50 Hz to 60 Hz |
| Power Efficiency Certifications | DoE VI |
| Heat Dissipation | 58.6 BTU/hr (61.8 kj/hr) |
| Voltage Range | 90 - 264 VAC, rated |
| Current Rating | 2.6 A |
| Maximum Power Consumption | 155 W |
| PoE Budget | 125 W PoE+ |
| Compliance and Standards | EN 55032:2012/CISPR 32 Class A, FCC CFR 47 Part 15 Class A, VCCI Class A, ICES-003 Class A, CNS 13438 |
JL258A
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Product Description
The JL258A HP features 8 RJ-45 autosensing 10/100/1000 PoE+ ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3at PoE+) and 2 SFP+ 1/10GbE ports, supporting a range of network speeds and providing flexibility for uplinks. It includes a dual-personality (RJ-45 or USB micro-B) serial console port for management, housed in a compact 1U height chassis with dimensions of 10(w) x 10(d) x 1.73(h) inches and a weight of 4.41 lb (2.0 kg). The device operates efficiently within a temperature range of 32°F to 113°F (0°C to 45°C) and a humidity range of 15% to 95%, ensuring reliability in various environments, and it offers 125 W PoE+ power budget with a maximum power rating of 155 W.Key Feature for the JL258A
- What are the available I/O ports and slots on this device?
The device includes 8 RJ-45 autosensing 10/100/1000 PoE+ ports, 2 SFP+ 1/10GbE ports, and 1 dual-personality (RJ-45 or USB micro-B) serial console port. - How does the part's dimensions accommodate rack installation?
With dimensions of 10 inches in width and depth, and a height of 1.73 inches, the device fits into a 1U rack space, suitable for standard rack installations. - Can the device operate in high temperature environments?
Yes, it operates efficiently up to 113°F (45°C) at elevations up to 5,000 feet, and up to 104°F (40°C) at elevations up to 10,000 feet. - What is the weight of the part?
The device weighs 4.41 lb (2.0 kg), facilitating easy handling and installation. - How does the device manage in varying humidity conditions for operations?
Operational relative humidity range is from 15% at 104°F (40°C), noncondensing, to 95% at the same temperature, ensuring reliability across diverse environments. - What power efficiency certifications does this model have?
It is certified with the DoE VI certification, indicating adherence to energy efficiency standards. - What are the device's power specifications?
The device operates on a voltage range of 90 - 264 VAC, with a current of 2.6 A, and has a maximum power rating of 155 W, including 125 W available for PoE+. - What is the maximum heat dissipation capability of the device?
It can dissipate up to 58.6 BTU/hr (61.8 kj/hr), aiding in maintaining optimal operational temperatures. - Does the device feature any fan or acoustic emissions?
The device is fanless, with power and pressure acoustic levels at 0 dB, making it ideal for noise-sensitive environments. - What are the device's compliance and emissions certifications?
It complies with multiple standards including EN 55032:2012/CISPR 32 Class A, FCC CFR 47 Part 15 Class A, and more, ensuring broad acceptance in various markets.
Product Review
The HP JL258A offers a versatile range of I/O options, including 8 RJ-45 autosensing 10/100/1000 PoE+ ports and 2 SFP+ 1/10GbE ports, catering to diverse networking needs. However, its reliance on a single dual-personality console port for management might limit flexibility for some network configurations. With its compact 1U form factor and fanless design for silent operation, it suits environments where space and noise are concerns, yet the Class A emissions rating may necessitate careful placement in sensitive workspaces.
Overview
The HP JL258A is a compact and efficient networking solution designed to meet the needs of modern businesses requiring reliable connectivity and Power over Ethernet (PoE+) capabilities. This device integrates a range of features and specifications that make it a versatile choice for various networking environments.
At its core, the HP JL258A features eight RJ-45 autosensing 10/100/1000 PoE+ ports that support various IEEE standards, including 802.3 for 10BASE-T, 802.3u for 100BASE-TX, 802.3ab for 1000BASE-T, and 802.3at for PoE+. These ports offer the flexibility of half or full duplex modes for 10BASE-T/100BASE-TX and full duplex mode only for 1000BASE-T. Additionally, the device includes two SFP+ 1/10GbE ports for high-speed uplinks and a dual-personality serial console port (RJ-45 or USB micro-B), enhancing its connectivity options.
- 8 RJ-45 autosensing 10/100/1000 PoE+ ports
- 2 SFP+ 1/10GbE ports
- 1 dual-personality serial console port
The HP JL258A is designed with a compact form factor, measuring 10 inches in width and depth, and 1.73 inches in height, conforming to the 1U rack-mountable standard. This makes it suitable for deployment in environments where space is at a premium. The device’s weight is 4.41 lb (2.0 kg), emphasizing its lightweight and portable nature.
Operating within a broad range of temperatures and humidity levels, the HP JL258A can function between 32°F (0°C) and 113°F (45°C), with operational efficiency up to 5,000 feet elevation, and maintain performance in environments up to 10,000 feet with slightly adjusted temperature limits. It supports a non-operating/storage temperature range from -40°F to 158°F (-40°C to 70°C) and can withstand non-operating/storage relative humidity from 15% to 95% at up to 149°F (65°C). These operational parameters ensure reliability across various environmental conditions.
The device boasts an acoustic design with 0 dB power and pressure levels, indicating a fanless operation that contributes to a quieter working environment. Power efficiency is certified by DoE VI, with a maximum heat dissipation of 58.6 BTU/hr (61.8 kj/hr), and operates on a voltage range of 90 - 264 VAC, rated at a current of 2.6 A. The maximum power rating stands at 155 W, with a dedicated 125 W for PoE+, ensuring ample power for connected devices.
From an emissions standpoint, the HP JL258A complies with multiple standards including EN 55032:2012/CISPR 32 Class A, FCC CFR 47 Part 15 Class A, VCCI Class A, ICES-003 Class A, and CNS 13438, ensuring its operation does not interfere with other equipment.
In summary, the HP JL258A melds high connectivity, power efficiency, and operational versatility in a compact, fanless design. Its wide range of ports, environmental resilience, and compliance with emissions standards make it an ideal choice for businesses looking to deploy a reliable and efficient networking infrastructure.
Specifications
| Part Number and Manufacturer | HP JL258A |
| Ports and Interfaces | 8 auto-detecting 10/100/1000 PoE+ RJ-45 ports compliant with IEEE 802.3, 802.3u, 802.3ab, and 802.3at standards; Half/full duplex for 10/100BASE-TX, full duplex for 1000BASE-T |
| Expansion Slots | 2 SFP+ slots supporting 1/10GbE, without PHY |
| Console Port | 1 console port, selectable between RJ-45 and USB micro-B |
| Width | 10 inches (25.4 cm), 1U rack unit |
| Depth | 10 inches (25.4 cm), 1U rack unit |
| Height | 1.73 inches (4.39 cm), 1U rack unit |
| Weight | 4.41 pounds (2.0 kg) |
| Minimum Operating Temperature | 32°F (0°C) up to 5,000 ft elevation; remains 0°C at up to 10,000 ft elevation |
| Maximum Operating Temperature | 113°F (45°C) up to 5,000 ft elevation; 104°F (40°C) at up to 10,000 ft elevation |
| Minimum Operating Humidity | 15% at 104°F (40°C), non-condensing |
| Maximum Operating Humidity | 95% at 104°F (40°C), non-condensing |
| Storage Temperature | -40°F to 158°F (-40°C to 70°C) up to 15,000 ft elevation |
| Storage Humidity | 15% to 95% at 149°F (65°C) |
| Acoustic Noise Level | 0 dB, fanless design |
| Frequency Range | 50 Hz to 60 Hz |
| Power Efficiency Certifications | DoE VI |
| Heat Dissipation | 58.6 BTU/hr (61.8 kj/hr) |
| Voltage Range | 90 - 264 VAC, rated |
| Current Rating | 2.6 A |
| Maximum Power Consumption | 155 W |
| PoE Budget | 125 W PoE+ |
| Compliance and Standards | EN 55032:2012/CISPR 32 Class A, FCC CFR 47 Part 15 Class A, VCCI Class A, ICES-003 Class A, CNS 13438 |