• Juniper EX3400-24T-DC switch with vibrant pink glossy fruit sticker
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Juniper

Juniper EX3400-24T-DC | EX3400 24-Port Gigabit Switch, DC Power, 2x 40G QSFP+

EX3400-24T-DC

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Description

The EX3400 is a fixed-configuration, 1U Layer 2/Layer 3 access switch from the Juniper EX Series. This DC-powered, non-PoE model suits campus, branch and enterprise wiring closets, particularly telco or industrial rooms that run on -48 VDC. Virtual Chassis lets several units be managed as one logical switch.

It provides 24 x 10/100/1000BASE-T RJ-45 access ports, four 1/10GbE SFP+/SFP uplinks and two 40GbE QSFP+ uplinks. Switching capacity is 144 Gbps unidirectional (288 Gbps bidirectional) with 214 Mpps of Layer 2/Layer 3 throughput. This SKU uses a 150 W DC power supply (JPSU-150W-DC-AFO) accepting -48 to -60 VDC, with front-to-back airflow. Maximum power draw is around 100 W. A second power supply can be added for 1+1 redundancy, and the power supply and fan modules are hot-swappable.

The SFP/SFP+ uplink ports take 1GbE or 10GbE optics and the QSFP+ ports take 40GbE optics. The switch runs Junos OS.

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

Features

- Virtual Chassis technology interconnects up to 10 switches as one logical device
- Uplinks configurable as GbE (SFP) or 10GbE (SFP+), with 40GbE QSFP+ ports for high-speed uplink or stacking
- Runs Junos OS with Layer 2 and Layer 3 features
- Access control and resiliency with IEEE 802.1X, LACP (802.3ad) and RSTP (802.1w)
- Cable diagnostics, MDI/MDIX and digital optical monitoring on optical ports
- Optional second power supply for 1+1 redundancy, with hot-swappable power supply and fan modules

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

- Access ports: 24 x 10/100/1000BASE-T RJ-45
- Uplink ports: 4 x 1/10GbE SFP+/SFP and 2 x 40GbE QSFP+
- Switching capacity: 144 Gbps unidirectional / 288 Gbps bidirectional
- Layer 2/Layer 3 throughput: 214 Mpps (64-byte packets)
- Switching engine: Store and forward
- DRAM: 2 GB with ECC
- Flash: 2 GB
- CPU: Dual Core 1 GHz
- Virtual Chassis backplane: 160 Gbps (QSFP+) or 80 Gbps (SFP+), up to 10 members
- Power supply: 150 W DC (JPSU-150W-DC-AFO)
- DC input voltage: -48 to -60 VDC
- DC input current: 4.7 A maximum at -48 VDC
- PoE-enabled ports: 0
- Maximum power consumption: approximately 100 W
- Airflow: Front-to-back
- Rack height: 1 RU
- Dimensions (W x H x D): 44.1 x 4.37 x 35 cm
- Weight (without power supply or fan modules): 4.43 kg
- Operating temperature: 0 to 45 C
- Storage temperature: -40 to 70 C
- VSTP instances supported: 510

FAQs

Q: Does this switch provide PoE?
A: No. This is a non-PoE model with no PoE-enabled ports, so powered devices need a separate power source or a PoE injector.

Q: What power input does the EX3400-24T-DC need?
A: It uses a 150 W DC power supply (JPSU-150W-DC-AFO) taking -48 to -60 VDC at a maximum of 4.7 A at -48 VDC. A second supply can be added for 1+1 redundancy.

Q: What optics do the uplink ports use?
A: The four uplink ports take 1GbE SFP or 10GbE SFP+ optics, and the two 40GbE ports take QSFP+ optics.

Q: Can I stack multiple EX3400 switches?
A: Yes. Virtual Chassis lets up to 10 switches operate as a single logical device, using a 160 Gbps backplane over the QSFP+ ports or 80 Gbps over the SFP+ ports.

Q: How does this differ from other EX3400-24T variants?
A: This SKU has a DC power supply and no PoE, with 24 ports and a 150 W supply. AC-powered and PoE versions of the EX3400 use different part numbers.

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