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by Juniper
Product Line: Juniper EX Series Ethernet Switches
Product Type: Switch
Original price $0.00 - Original price $305.00
Original price
$0.00 - $305.00
Current price $305.00
Title: Used

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Product Description

The EX4200-48PX is a Juniper network switch featuring 48-port 10/100/1000BASE-T with 48 PoE+ ports, designed to deliver high performance with a 930W AC PSU for power. It supports a 128 Gbps Virtual Chassis interconnect, enabling up to 10 units to function as a single logical device, enhancing scalability and simplifying management. The device boasts a packet switching capacity of 136 Gbps and a throughput of 101 Mpps, ensuring efficient data handling and wire-speed performance within a 1 RU form factor.

Key Feature for the EX420048PX

  • What is the port configuration of the 48-port 10/100/1000BASE-T device?
    The device features a 48-port 10/100/1000BASE-T configuration, supporting up to 48 PoE+ ports.
  • How many watts is the power supply unit (PSU) rated for in the device?
    The PSU is rated for 930 W AC.
  • Can the device be integrated with other units for expanded functionality?
    Yes, it features a 128 Gbps Virtual Chassis interconnect to combine up to 10 units as a single logical device.
  • What are the dimensions of the device?
    The dimensions are 17.41 x 1.72 x 16.43 in (44.21 x 4.32 x 41.73 cm) for desktop installation, with rack-mount width being 17.5 in (44.5 cm).
  • What is the maximum inrush current supported by the device?
    The device supports a maximum inrush current of 50 amps.
  • How much does the system weigh?
    The system weight is 19 lb (8.61 kg).
  • What is the device's packet switching capacity?
    The packet switching capacity is 136 Gbps.
  • What is the operating temperature range of the device?
    The operating temperature range is 32° F to 113° F.
  • What is the maximum operating altitude for the device?
    The maximum operating altitude is up to 10,000 ft (3,049 m).
  • What are the system's airflow and acoustic noise levels?
    The system's airflow is 20.3 cfm, and the acoustic noise level is 45.6 dBA.

Product Review

The Juniper EX4200-48PX offers high port density with 48 PoE+ ports and a 930W AC power supply, suitable for environments requiring extensive direct power to connected devices. Its Virtual Chassis technology enables up to 10 units to be interconnected, significantly increasing scalability and management efficiency. However, the unit's noise level at 45.6 dBA could be a concern in quieter working environments, and the maximum inrush current of 50 amps may require careful power management in deployments with multiple units.


The Juniper EX4200-48PX is a network switch designed for high performance and efficiency in data center and enterprise networking environments. This switch features 48 ports with 10/100/1000BASE-T capabilities, all of which support Power over Ethernet (PoE+), making it suitable for deploying VoIP phones, wireless access points, and other PoE devices without the need for additional power supplies. It comes with a 930W AC power supply unit (PSU) and includes a 50cm Virtual Chassis cable, enabling the connection of multiple units to work as a single logical device, enhancing scalability and simplifying management. The EX4200-48PX is a 1 Rack Unit (RU) high device, ensuring it occupies minimal space in a server rack. It is designed to support a power supply rating of 930W AC, providing sufficient power for all PoE ports and the system's operations. The backplane supports a 128 Gbps Virtual Chassis interconnect, allowing up to 10 units to be combined, significantly increasing port density and bandwidth without the complexity of managing multiple devices. Key specifications include: - Access Port Configuration: 48-port 10/100/1000BASE-T - PoE Ports: 48 PoE+ - Dimensions (W x H x D): 17.41 x 1.72 x 16.43 inches, with a slight increase in depth to 18.8 inches when equipped with a 600/930W AC PSU - System Weight: 19 lb The device supports a maximum inrush current of 50 amps and offers an airflow of 20.3 cubic feet per minute (cfm), ensuring adequate cooling for continuous operation. The GbE port density per system is 52, which includes 48 host ports plus a four-port GbE uplink module. This switch boasts a packet switching capacity of 136 Gbps and a throughput of 101 million packets per second (Mpps), guaranteeing wire-speed performance across all ports.
  • Acoustic Noise in dBA: 45.6, ensuring a relatively quiet operation suitable for office environments.
  • Operating temperature range: 32°F to 113°F, with a storage temperature range from -40°F to 158°F, allowing the switch to perform in various environmental conditions.
  • Relative humidity operating range: 10% to 85% (non-condensing), ensuring reliability in a wide range of humidity levels.
The EX4200-48PX can operate at altitudes of up to 10,000 feet (3,049 meters) and can be stored at altitudes up to 16,000 feet (4,877 meters), making it versatile for deployment in various geographical locations. Its reliability and performance, combined with the scalability provided by the Virtual Chassis technology, make the Juniper EX4200-48PX an ideal choice for organizations looking to deploy a high-performance, PoE-capable network infrastructure.


Part NumberJuniper EX4200-48PX
Ports48 x 10/100/1000BASE-T, all supporting PoE+
Power Supply Unit930W AC, includes 50cm Virtual Chassis cable
Configuration48 x 10/100/1000BASE-T ports for access
Power over Ethernet Ports48, PoE+
Unit Height1 RU
Power Supply Capability930W AC
Backplane Speed128 Gbps via Virtual Chassis interconnect, supports up to 10 units as one device
Peak Current50A
Dimensions17.41 x 1.72 x 16.43 inches (44.21 x 4.32 x 41.73 cm)
Width for Rack-mount17.5 inches (44.5 cm)
Depth with Various PSUsDefault depth as above, 18.8 inches (47.8 cm) for 600/930W AC PSU
Weight19 pounds (8.61 kg)
Air Circulation20.3 cubic feet per minute
Port Density52 GbE ports total (48 access + 4 uplink)
Switching Capacity136 Gbps
Throughput101 million packets per second (Mpps), full duplex
Sound Level45.6 dBA
Min Operating Temperature32°F
Max Operating Temperature113°F
Min Storage Temperature-40°F
Max Storage Temperature158°F
Max Operational Altitude10,000 feet (3,049 m)
Max Non-operational Altitude16,000 feet (4,877 m)
Operating Humidity Range10% to 85%, non-condensing

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