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JL256A

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Overview

The HP JL256A is designed to meet the needs of modern network environments with its comprehensive hardware specifications. This device is equipped with 48 RJ-45 autosensing 10/100/1000 PoE+ ports, supporting various networking standards such as IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T, and IEEE 802.3at PoE+. These ports offer both half and full duplex modes for 10BASE-T/100BASE-TX and full duplex for 1000BASE-T connections. Additionally, the device includes four SFP+ 1/10GbE ports that enhance its networking capabilities by supporting high-speed connections without the need for a PHY.
  • Dual-personality (RJ-45 or USB micro-B) serial console port offers flexible management options.
  • Power over Ethernet Plus (PoE+) support with a power budget of 370W to power connected devices.
  • Efficient power consumption with a maximum power rating of 459W and an idle power consumption of 48.6W.
The HP JL256A is designed with a 1U height, making it suitable for standard rack installations with dimensions of 17.42 inches in width, 11.98 inches in depth, and 1.73 inches in height. It has a weight of 9.83 lb (4.46 kg), allowing for relatively easy handling and installation. Operating conditions for the JL256A are within a temperature range of 32°F to 113°F (0°C to 45°C) up to 5,000 feet, and 0°C to 40°C (32°F to 104°F) up to 10,000 feet, with a relative humidity of 15% to 95% at 104°F (40°C), noncondensing. For non-operating or storage conditions, the device can withstand temperatures from -40°F to 158°F (-40°C to 70°C) up to 15,000 feet, and a relative humidity of 15% to 95% at 149°F (65°C), ensuring durability and reliability under various environmental conditions. Acoustic levels are measured at 55.7 dB for power and 41.7 dB for pressure, with a side-to-side airflow direction that aids in maintaining optimal operating temperatures. The device is designed for power efficiency, holding an 80plus.org Silver certification. It offers a maximum heat dissipation of 293.0 BTU/hr (309.1 kj/hr), operates on a voltage range of 100 - 127 / 200 - 240 VAC, and has a rated current of 5.1/2.5 A. In terms of compliance, the HP JL256A meets several emissions and safety 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 that it adheres to international regulations. It also conforms to voltage dips and interruptions as specified by IEC 61000-4-11, harmonics IEC/EN 61000-3-2, and flicker IEC/EN 61000-3-3 standards. The HP JL256A is optimized for organizations requiring a balance between performance, power efficiency, and adaptability in their networking infrastructure. Its comprehensive range of ports, power management features, and regulatory compliance make it a suitable choice for a variety of networking applications.

Specs

Part Number and ManufacturerHP JL256A
Ports & Interfaces48 RJ-45 autosensing ports supporting 10/100/1000 PoE+ (compliant with IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3at PoE+); Duplex options: half/full for 10/100BASE-TX, full only for 1000BASE-T
Ports & Interfaces4 SFP+ ports supporting 1/10GbE; no PHY
Additional InterfacesOne console port with dual interface options: RJ-45 or USB micro-B
Width44.25 cm (17.42 in)
Depth30.42 cm (11.98 in)
Height4.39 cm (1.73 in) - 1U standard size
Weight4.46 kg (9.83 lb)
Operating Temperature Range0°C to 45°C (32°F to 113°F) up to 1,524m (5,000ft); 0°C to 40°C (32°F to 104°F) above 1,524m to 3,048m (5,000ft to 10,000ft)
Operating Humidity15% to 95% at 40°C (104°F), non-condensing
Storage Temperature Range-40°C to 70°C (-40°F to 158°F); capable up to 4,572m (15,000ft)
Storage Humidity15% to 95% at 65°C (149°F)
Acoustic Noise LevelPower: 55.7 dB; Pressure: 41.7 dB
AirflowLateral
Frequency50/60 Hz
Energy Efficiency Certification80 PLUS Silver
Heat Dissipation293.0 BTU/hr (309.1 kj/hr)
Voltage Range100 - 127 / 200 - 240 VAC
Electrical Current5.1/2.5 A
Peak Power Usage459 W
Idle Power Consumption48.6 W
PoE Budget370 W for PoE+
Emissions ComplianceEN 55032:2012/CISPR 32 Class A; FCC CFR 47 Part 15 Class A; VCCI Class A; ICES-003 Class A; CNS 13438
Voltage Stability & InterruptionsIEC 61000-4-11
Harmonic DistortionIEC/EN 61000-3-2
Electrical FlickerIEC/EN 61000-3-3

JL256A

by Hp
Product Line: Hp 2930F Series
Product Type: Switch
Sold out
$0.00 - $0.00
$0.00
$0.00 - $0.00
$0.00
Title: Surplus

Orders typically ship within 1-3 Business days, if you need an item to ship sooner please contact us.

Product Description

The JL256A HP features 48 RJ-45 autosensing 10/100/1000 PoE+ ports compliant with various IEEE standards, including IEEE 802.3at PoE+, and 4 SFP+ 1/10GbE ports, supporting high-speed network connections. It offers a dual-personality (RJ-45 or USB micro-B) serial console port for versatile management options, housed within a compact 1U height chassis measuring 17.42 inches in width, 11.98 inches in depth, and 1.73 inches in height, weighing 9.83 lb (4.46 kg). With a maximum power rating of 459 W, an idle power consumption of 48.6 W, and a 370 W PoE+ capacity, it operates efficiently between 32°F to 113°F (0°C to 45°C) and meets 80plus.org Silver certification for power efficiency.

FAQs for the JL256A 

    

  • What types of network speeds do the 48 RJ-45 autosensing ports support on this device?
    • 

  • The device supports 10BASE-T, 100BASE-TX, and 1000BASE-T network speeds on its 48 RJ-45 autosensing ports.
    • 

  • Can the 4 SFP+ ports on this device operate at both 1GbE and 10GbE speeds?
    • 

  • Yes, the 4 SFP+ 1/10GbE ports are designed to operate at either 1GbE or 10GbE speeds.
    • 

  • What dual-personality options are available for the serial console port?
    • 

  • The serial console port can be used with either an RJ-45 or USB micro-B connector.
    • 

  • What are the physical dimensions of this networking device?
    • 

  • It measures 17.42 inches wide, 11.98 inches deep, and 1.73 inches high (44.25 x 30.42 x 4.39 cm), conforming to a 1U rack height.
    • 

  • What is the operating temperature range of this device?
    • 

  • The device operates between 32°F to 113°F (0°C to 45°C) at elevations up to 5,000 feet, and 32°F to 104°F (0°C to 40°C) up to 10,000 feet.
    • 

  • What power efficiency certification does this device have?
    • 

  • This device has earned the 80plus.org Silver certification for power efficiency.
    • 

  • What is the maximum power consumption of this device?
    • 

  • The maximum power rating is 459 W, with an idle power consumption of 48.6 W and PoE power budget of 370 W PoE+.
    • 

  • What are the acoustic noise levels for this device?
    • 

  • Acoustic Power is 55.7 dB and Pressure is 41.7 dB.
    • 

  • Does this device support side-to-side airflow?
    • 

  • Yes, it is designed with a side-to-side airflow direction for cooling.
    • 

  • What are the environmental certifications of this device?
    • 

  • The device meets EN 55032:2012/CISPR 32 Class A, FCC CFR 47 Part 15 Class A, VCCI Class A, ICES-003 Class A, and CNS 13438 standards for emissions.
    •

Product Review

The HP JL256A offers 48 RJ-45 autosensing 10/100/1000 PoE+ ports plus 4 SFP+ 1/10GbE ports, supporting a wide range of connectivity options for various networking needs. However, its noise levels are relatively high with an acoustic power of 55.7 dB, which may be a consideration in quiet office environments. Additionally, the switch's power efficiency is certified by 80plus.org at the Silver level, indicating a balance between performance and energy consumption, though there are more energy-efficient certifications available.

Overview

The HP JL256A is designed to meet the needs of modern network environments with its comprehensive hardware specifications. This device is equipped with 48 RJ-45 autosensing 10/100/1000 PoE+ ports, supporting various networking standards such as IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T, and IEEE 802.3at PoE+. These ports offer both half and full duplex modes for 10BASE-T/100BASE-TX and full duplex for 1000BASE-T connections. Additionally, the device includes four SFP+ 1/10GbE ports that enhance its networking capabilities by supporting high-speed connections without the need for a PHY.
  • Dual-personality (RJ-45 or USB micro-B) serial console port offers flexible management options.
  • Power over Ethernet Plus (PoE+) support with a power budget of 370W to power connected devices.
  • Efficient power consumption with a maximum power rating of 459W and an idle power consumption of 48.6W.
The HP JL256A is designed with a 1U height, making it suitable for standard rack installations with dimensions of 17.42 inches in width, 11.98 inches in depth, and 1.73 inches in height. It has a weight of 9.83 lb (4.46 kg), allowing for relatively easy handling and installation. Operating conditions for the JL256A are within a temperature range of 32°F to 113°F (0°C to 45°C) up to 5,000 feet, and 0°C to 40°C (32°F to 104°F) up to 10,000 feet, with a relative humidity of 15% to 95% at 104°F (40°C), noncondensing. For non-operating or storage conditions, the device can withstand temperatures from -40°F to 158°F (-40°C to 70°C) up to 15,000 feet, and a relative humidity of 15% to 95% at 149°F (65°C), ensuring durability and reliability under various environmental conditions. Acoustic levels are measured at 55.7 dB for power and 41.7 dB for pressure, with a side-to-side airflow direction that aids in maintaining optimal operating temperatures. The device is designed for power efficiency, holding an 80plus.org Silver certification. It offers a maximum heat dissipation of 293.0 BTU/hr (309.1 kj/hr), operates on a voltage range of 100 - 127 / 200 - 240 VAC, and has a rated current of 5.1/2.5 A. In terms of compliance, the HP JL256A meets several emissions and safety 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 that it adheres to international regulations. It also conforms to voltage dips and interruptions as specified by IEC 61000-4-11, harmonics IEC/EN 61000-3-2, and flicker IEC/EN 61000-3-3 standards. The HP JL256A is optimized for organizations requiring a balance between performance, power efficiency, and adaptability in their networking infrastructure. Its comprehensive range of ports, power management features, and regulatory compliance make it a suitable choice for a variety of networking applications.

Specifications

Part Number and ManufacturerHP JL256A
Ports & Interfaces48 RJ-45 autosensing ports supporting 10/100/1000 PoE+ (compliant with IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3at PoE+); Duplex options: half/full for 10/100BASE-TX, full only for 1000BASE-T
Ports & Interfaces4 SFP+ ports supporting 1/10GbE; no PHY
Additional InterfacesOne console port with dual interface options: RJ-45 or USB micro-B
Width44.25 cm (17.42 in)
Depth30.42 cm (11.98 in)
Height4.39 cm (1.73 in) - 1U standard size
Weight4.46 kg (9.83 lb)
Operating Temperature Range0°C to 45°C (32°F to 113°F) up to 1,524m (5,000ft); 0°C to 40°C (32°F to 104°F) above 1,524m to 3,048m (5,000ft to 10,000ft)
Operating Humidity15% to 95% at 40°C (104°F), non-condensing
Storage Temperature Range-40°C to 70°C (-40°F to 158°F); capable up to 4,572m (15,000ft)
Storage Humidity15% to 95% at 65°C (149°F)
Acoustic Noise LevelPower: 55.7 dB; Pressure: 41.7 dB
AirflowLateral
Frequency50/60 Hz
Energy Efficiency Certification80 PLUS Silver
Heat Dissipation293.0 BTU/hr (309.1 kj/hr)
Voltage Range100 - 127 / 200 - 240 VAC
Electrical Current5.1/2.5 A
Peak Power Usage459 W
Idle Power Consumption48.6 W
PoE Budget370 W for PoE+
Emissions ComplianceEN 55032:2012/CISPR 32 Class A; FCC CFR 47 Part 15 Class A; VCCI Class A; ICES-003 Class A; CNS 13438
Voltage Stability & InterruptionsIEC 61000-4-11
Harmonic DistortionIEC/EN 61000-3-2
Electrical FlickerIEC/EN 61000-3-3

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