• Vibrant pink glossy Juniper fruit sticker for EX3400-48T-DC switch
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Juniper

Juniper EX3400-48T-DC | EX3400 48-Port Gigabit Switch, DC Power, Front-to-Back

EX3400-48T-DC

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Description

The Juniper EX3400-48T-DC is a fixed 1U Layer 2 and Layer 3 access switch from the EX3400 range, running Junos OS. It suits enterprise access-layer switching for converged data, voice and video networks, particularly in campus and branch wiring closets where DC power is required, such as telco or DC-fed sites.

This DC-powered variant provides 48 non-PoE 10/100/1000BASE-T ports with 4 x 1/10GbE SFP/SFP+ and 2 x 40GbE QSFP+ uplinks. Switching capacity is 168 Gbps unidirectional (336 Gbps bidirectional), with 250 Mpps of Layer 2 and Layer 3 throughput. It uses the 150W JPSU-150W-DC-AFO power supply with front-to-back airflow, and draws a maximum of 120 W as it has no PoE capability. It carries the Junos base feature set, with an advanced feature licence available separately.

The SFP/SFP+ ports accept 1GbE or 10GbE optics and the QSFP+ ports accept 40GbE optics. Up to 10 switches can be linked in a Virtual Chassis to be managed as one logical device.

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

Features

- Virtual Chassis technology links up to 10 switches as a single logical device
- Hot-swappable power supply and fan modules
- Uplinks individually configurable as GbE (SFP) or 10GbE (SFP+)
- Junos OS with Layer 2 and Layer 3 features
- Cloud management via Mist Wired Assurance, plus Junos Space, CLI, J-Web, SNMP, sFlow and Zero Touch Provisioning
- MACsec hardware encryption on supported ports

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: 48 x 10/100/1000BASE-T RJ-45 (non-PoE)
- Uplink ports: 4 x 1/10GbE SFP/SFP+ and 2 x 40GbE QSFP+
- Switching capacity: 168 Gbps unidirectional / 336 Gbps bidirectional
- L2/L3 throughput (64-byte packets): 250 Mpps
- Virtual Chassis backplane: 160 Gbps with QSFP+ ports or 80 Gbps with SFP+ ports, up to 10 members
- Power supply: JPSU-150W-DC-AFO (150W DC)
- Maximum system power: 120 W
- PoE/PoE+ power available: none
- Airflow: front-to-back
- Form factor: 1U fixed chassis
- Dimensions (W x H x D): 44.1 x 4.37 x 35 cm
- Dimensions with power supply installed (W x H x D): 44.1 x 4.37 x 38.24 cm
- Weight (no power supply or fan modules): 10.23 lb
- Acoustic noise: 35 dBA
- DRAM: 2 GB with ECC
- Flash: 2 GB
- CPU: Dual-core 1 GHz
- Maximum MAC addresses: 32,000
- Jumbo frames: 9216 bytes
- VLANs supported: 4,096
- Operating temperature: 0 to 45 C
- Storage temperature: -40 to 70 C
- Operating relative humidity: 10% to 85% (non-condensing)
- First Junos OS release: 18.2R3-S4

FAQs

Q: Does the EX3400-48T-DC need a software licence?
A: It runs the Junos base feature set, covering Layer 2 and basic Layer 3, out of the box. A separate advanced feature licence is available for the EX3400 family if you need additional Layer 3 capabilities.

Q: What power does this switch use and does it support PoE?
A: It uses a 150W DC power supply (JPSU-150W-DC-AFO) and has two power supply slots. Maximum system power is 120 W. It has no PoE capability, so it will not power devices over Ethernet.

Q: What optics do the uplink ports take?
A: The 4 SFP/SFP+ ports accept 1GbE or 10GbE optics and the 2 QSFP+ ports accept 40GbE optics. Each SFP/SFP+ uplink can be configured as GbE or 10GbE.

Q: Can I stack this switch with others?
A: Yes. Virtual Chassis links up to 10 switches as one logical device. The backplane runs at 160 Gbps over the QSFP+ ports or 80 Gbps over the SFP+ ports.

Q: How does this model differ from other EX3400-48 variants?
A: This is the DC-powered, non-PoE 48-port model with front-to-back airflow. Other variants in the range use AC supplies or provide PoE+.

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