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Juniper

Juniper EX4400-48P | EX4400 48-Port PoE++ 90W Switch, 1600W AC PSU, AFO

EX4400-48P

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Description

The Juniper EX4400-48P is a 1U access switch from the EX4400 line, built for enterprise branch, campus and data centre access deployments. It suits sites that need to power high-draw PoE devices such as IP phones, wireless access points and cameras from a single unit.

It provides 48 x 10/100/1000BASE-T PoE++ ports (802.3af/at/bt), each delivering up to 90 W, with a PoE budget of 1310 W on one power supply or 2200 W with two. Two rear 100GbE QSFP28 ports handle Virtual Chassis interconnect, with a 400 Gbps backplane and up to 10 members managed as one logical device. Switching capacity is 348 Gbps unidirectional and 696 Gbps bidirectional. This SKU uses the 1600 W AC power supply with front-to-back (AFO) airflow and two redundant variable-speed fan modules.

A single extension module slot accepts the EX4400-EM-1C (1x100GbE QSFP28), EX4400-EM-4S (4x10GbE SFP+) or EX4400-EM-4Y (4x25GbE SFP28) for additional uplinks. The switch runs Junos OS and supports management through Juniper Mist Wired Assurance as well as EVPN-VXLAN campus fabrics.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Per-port PoE up to 90 W (802.3bt) with perpetual PoE across reboots
- Virtual Chassis allows up to 10 units to be managed as one logical device
- Cloud-ready management through Juniper Mist Wired Assurance
- EVPN-VXLAN campus fabric support
- Redundant load-sharing power supplies and redundant variable-speed fans
- Flow telemetry with sFlow, IPFIX and flow-based telemetry
- Optional extension modules for 1x100GbE, 4x10GbE or 4x25GbE uplinks
- MACsec AES256 capability

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Model: EX4400-48P
- Access ports: 48 x 10/100/1000BASE-T PoE++ (802.3af/at/bt)
- PoE power: up to 90 W per port
- Built-in 100GbE ports: 2 x QSFP28 (rear panel, Virtual Chassis)
- Extension module slot: 1 (EX4400-EM-1C, EX4400-EM-4S or EX4400-EM-4Y)
- PoE budget: 1310 W with 1 PSU, 2200 W with 2 PSUs
- Power supply: 1600 W AC (AFO, front-to-back airflow)
- Fan modules: 2 x EX4400-FAN, redundant variable-speed
- Switching capacity: 348 Gbps unidirectional, 696 Gbps bidirectional
- Throughput: 369 Mpps
- Virtual Chassis: 400 Gbps interconnect, up to 10 members
- MAC addresses: 112,000
- Jumbo frames: 9216 bytes
- IPv4 unicast/multicast routes: 80,000
- QoS queues per port: 12 (8 unicast, 4 multicast)
- Power consumption without PoE load: 134 W idle, 138 W at 100% traffic
- Power consumption with PoE load: 1963 W idle, 1967 W at 100% traffic
- Dimensions (W x H x D): 44.17 x 4.37 x 43 cm
- Form factor: 1U rack-mount
- Weight (no PSU, fans or extension module): 7.22 kg
- Management ports: USB-C console, RJ45 console, MGMT port, USB-A port

FAQs

Q: How much PoE power can this switch deliver?
A: Each of the 48 ports supplies up to 90 W under 802.3bt. The total PoE budget is 1310 W with one power supply and 2200 W with two.

Q: Which extension modules does it support?
A: The single extension slot accepts the EX4400-EM-1C (1x100GbE QSFP28), EX4400-EM-4S (4x10GbE SFP+) or EX4400-EM-4Y (4x25GbE SFP28).

Q: How do I stack multiple units?
A: The two rear 100GbE QSFP28 ports form a Virtual Chassis interconnect with 400 Gbps of bandwidth. Up to 10 members can be managed as one logical device, using DAC cables ordered separately.

Q: What airflow does this model use?
A: This SKU uses front-to-back (AFO) airflow with the 1600 W AC power supply and two redundant variable-speed fan modules.

Q: Does it need software licences?
A: It runs Junos OS, and advanced features typically require Juniper software feature licences. Management through Mist Wired Assurance requires a separate subscription.

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