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Overview
The HP JG312A is a versatile networking switch designed to support a wide range of applications from small-scale deployments to enterprise-level operations. It features 48 RJ-45 autosensing ports that are compatible with 10BASE-T, 100BASE-TX, and 1000BASE-T standards, ensuring flexibility in connection speeds. These ports support both half and full duplex modes for 10BASE-T/100BASE-TX, while 1000BASE-T operates in full duplex only. The media type for these ports is Auto-MDIX, which simplifies network setup by automatically adjusting for straight-through or crossover cables.
In addition to the RJ-45 ports, the switch includes four fixed Gigabit Ethernet SFP ports for fiber connectivity, providing options for long-distance uplinks or connections to high-speed networks. It also has two SFP+ 10GbE ports, enabling high-speed network connections and uplinks to support demanding applications and data throughput requirements. For further expansion, there are two port expansion module slots, allowing for customization and scalability to meet evolving network demands.
The HP JG312A is designed for easy installation in standard 19-inch telco racks or equipment cabinets, with dimensions that make it a compact yet powerful solution for any networking setup. It measures 4.37 cm in height, 44.0 cm in depth, and 42.0 cm in width, fitting efficiently into a 1U rack space. The device weighs 8.5 kg, making it sturdy yet manageable for installation and maintenance.
For power supply, the switch has two slots and requires a minimum of one power supply to operate. This dual-slot design provides an option for redundant power, enhancing the reliability of the network infrastructure. The switch operates within a broad temperature range, from 0°C to 50°C, and can withstand non-operating temperatures from -40°C to 70°C. It operates effectively within a relative humidity range of 5% to 95%, both in operating and non-operating conditions, ensuring durability in various environmental conditions.
Acoustic levels vary with fan speed, from 48.6 dB at low speed to 57.6 dB at high speed, balancing performance with noise levels in different operational scenarios. The switch has a maximum heat dissipation of 1651 BTU/hr and a maximum power rating of 191 W, ensuring efficient energy use. It supports a voltage range of 100 - 240 V ac, and also rated for -48 to -60 V dc, accommodating various power supply standards.
Key features include:
-
- 48 RJ-45 autosensing 10/100/1000 ports for versatile connectivity.
- 4 Gigabit Ethernet SFP ports and 2 SFP+ 10GbE ports for high-speed connections.
- 2 port expansion module slots for network customization and scalability.
Specs
| Item Number | HP JG312A |
| Manufacturer | HP |
| Interface | 48 RJ-45 auto-detect 10/100/1000 ports (IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX, IEEE 802.3ab 1000BASE-T), Auto-MDIX supported |
| Transmission Speed | 10BASE-T/100BASE-TX: selectable half or full duplex; 1000BASE-T: only full duplex |
| Additional Ports | 4 fixed Gigabit Ethernet SFP ports, 2 SFP+ 10GbE ports, 2 module slots for port expansion |
| Power Supply Slots | 2 slots, at least one power supply required |
| Mounting Options | Compatible with EIA-standard 19-inch racks or cabinets |
| Dimensions Width | 4.37 cm (1.72 in) - Fits 1U rack height |
| Dimensions Depth | 44.0 cm (17.32 in) - Conforms to 1U rack depth |
| Dimensions Height | 42.0 cm (16.54 in) - Standard 1U rack height |
| Weight | 8.5 kg (18.74 lbs) |
| Operating Temperature Range | 0°C (32°F) min to 50°C (122°F) max |
| Operating Humidity Range | 5% to 95%, non-condensing |
| Storage Temperature Range | -40°C (-40°F) min to 70°C (158°F) max |
| Storage Humidity Range | 5% to 95%, non-condensing |
| Acoustic Noise | Low-speed fan: 48.6 dB, High-speed fan: 57.6 dB |
| Electrical Frequency | 50/60 Hz |
| Heat Dissipation | 1651 BTU/hr (686.81 kJ/hr) |
| Peak Power Consumption | 191 W |
| Input Voltage | 100 - 240 V AC, -48 to -60 V DC |
JG312A
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Original price
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Product Description
The JG312A HP features 48 RJ-45 autosensing 10/100/1000 ports supporting various IEEE standards, including 10BASE-T, 100BASE-TX, and 1000BASE-T, with auto-MDIX media type and duplex capabilities tailored for each standard. It is equipped with 4 fixed Gigabit Ethernet SFP ports, 2 SFP+ 10GbE ports, and 2 port expansion module slots, offering versatile connectivity options. The device operates within a temperature range of 0°C to 50°C, supports a maximum power rating of 191 W, and fits in a standard 19-inch rack with dimensions of 4.37 cm x 44.0 cm x 42.0 cm and a weight of 8.5 kg.Key Feature for the JG312A
- What type of ports does the device offer for Ethernet connectivity?
The device includes 48 RJ-45 autosensing 10/100/1000 ports, 4 fixed Gigabit Ethernet SFP ports, and 2 SFP+ 10GbE ports. - How many power supply slots are available, and what is the minimum requirement?
There are 2 power supply slots available, with a minimum requirement of 1 power supply. - Can the device be mounted in a standard rack?
Yes, the device mounts in an EIA standard 19-inch telco rack or equipment cabinet. - What are the dimensions and weight of the device?
The dimensions are 4.37 cm in width, 44.0 cm in depth, and 42.0 cm in height, with a weight of 8.5 kg. - What is the operating temperature range of the device?
The operating temperature range is from 0°C (32°F) to 50°C (122°F). - What is the maximum non-operating/storage temperature the device can withstand?
The maximum non-operating/storage temperature is 70°C (158°F). - How does the device manage noise with its cooling system?
The device has a low-speed fan noise level of 48.6 dB and a high-speed fan noise level of 57.6 dB. - What is the maximum power rating and voltage requirement for the device?
The maximum power rating is 191 W, with a voltage requirement of 100 - 240 V ac, rated -48 to -60 V dc. - Are there any expansion module slots available on the device?
Yes, there are 2 port expansion module slots available. - What are the device's humidity operating and non-operating ranges?
The operating relative humidity range is 5% to 95% non-condensing, and the non-operating/storage relative humidity range is also 5% to 95% non-condensing.
Product Review
The HP JG312A offers a comprehensive set of features with its 48 RJ-45 autosensing 10/100/1000 ports, additional 4 fixed Gigabit Ethernet SFP ports, and 2 SFP+ 10GbE ports for high-speed connectivity options. The device supports a flexible expansion with 2 port expansion module slots and dual power supply slots, ensuring redundancy and reliability for critical network operations. However, the acoustic levels range from 48.6 dB in low-speed to 57.6 dB in high-speed fan operations, which may be a consideration in environments where noise is a concern.
Overview
The HP JG312A is a versatile networking switch designed to support a wide range of applications from small-scale deployments to enterprise-level operations. It features 48 RJ-45 autosensing ports that are compatible with 10BASE-T, 100BASE-TX, and 1000BASE-T standards, ensuring flexibility in connection speeds. These ports support both half and full duplex modes for 10BASE-T/100BASE-TX, while 1000BASE-T operates in full duplex only. The media type for these ports is Auto-MDIX, which simplifies network setup by automatically adjusting for straight-through or crossover cables.
In addition to the RJ-45 ports, the switch includes four fixed Gigabit Ethernet SFP ports for fiber connectivity, providing options for long-distance uplinks or connections to high-speed networks. It also has two SFP+ 10GbE ports, enabling high-speed network connections and uplinks to support demanding applications and data throughput requirements. For further expansion, there are two port expansion module slots, allowing for customization and scalability to meet evolving network demands.
The HP JG312A is designed for easy installation in standard 19-inch telco racks or equipment cabinets, with dimensions that make it a compact yet powerful solution for any networking setup. It measures 4.37 cm in height, 44.0 cm in depth, and 42.0 cm in width, fitting efficiently into a 1U rack space. The device weighs 8.5 kg, making it sturdy yet manageable for installation and maintenance.
For power supply, the switch has two slots and requires a minimum of one power supply to operate. This dual-slot design provides an option for redundant power, enhancing the reliability of the network infrastructure. The switch operates within a broad temperature range, from 0°C to 50°C, and can withstand non-operating temperatures from -40°C to 70°C. It operates effectively within a relative humidity range of 5% to 95%, both in operating and non-operating conditions, ensuring durability in various environmental conditions.
Acoustic levels vary with fan speed, from 48.6 dB at low speed to 57.6 dB at high speed, balancing performance with noise levels in different operational scenarios. The switch has a maximum heat dissipation of 1651 BTU/hr and a maximum power rating of 191 W, ensuring efficient energy use. It supports a voltage range of 100 - 240 V ac, and also rated for -48 to -60 V dc, accommodating various power supply standards.
Key features include:
-
- 48 RJ-45 autosensing 10/100/1000 ports for versatile connectivity.
- 4 Gigabit Ethernet SFP ports and 2 SFP+ 10GbE ports for high-speed connections.
- 2 port expansion module slots for network customization and scalability.
Specifications
| Item Number | HP JG312A |
| Manufacturer | HP |
| Interface | 48 RJ-45 auto-detect 10/100/1000 ports (IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX, IEEE 802.3ab 1000BASE-T), Auto-MDIX supported |
| Transmission Speed | 10BASE-T/100BASE-TX: selectable half or full duplex; 1000BASE-T: only full duplex |
| Additional Ports | 4 fixed Gigabit Ethernet SFP ports, 2 SFP+ 10GbE ports, 2 module slots for port expansion |
| Power Supply Slots | 2 slots, at least one power supply required |
| Mounting Options | Compatible with EIA-standard 19-inch racks or cabinets |
| Dimensions Width | 4.37 cm (1.72 in) - Fits 1U rack height |
| Dimensions Depth | 44.0 cm (17.32 in) - Conforms to 1U rack depth |
| Dimensions Height | 42.0 cm (16.54 in) - Standard 1U rack height |
| Weight | 8.5 kg (18.74 lbs) |
| Operating Temperature Range | 0°C (32°F) min to 50°C (122°F) max |
| Operating Humidity Range | 5% to 95%, non-condensing |
| Storage Temperature Range | -40°C (-40°F) min to 70°C (158°F) max |
| Storage Humidity Range | 5% to 95%, non-condensing |
| Acoustic Noise | Low-speed fan: 48.6 dB, High-speed fan: 57.6 dB |
| Electrical Frequency | 50/60 Hz |
| Heat Dissipation | 1651 BTU/hr (686.81 kJ/hr) |
| Peak Power Consumption | 191 W |
| Input Voltage | 100 - 240 V AC, -48 to -60 V DC |