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Juniper

Juniper EX3400-24P | EX3400 24-Port PoE+ Switch, 4x 10G SFP+, 2x 40G

EX3400-24P

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Description

The EX3400 is a fixed-configuration 1U Layer 2/Layer 3 access switch for campus wiring closets and Gigabit data-centre access. It runs Junos OS and suits converged environments that power IP phones, cameras and 802.11ac wireless access points over PoE+.

This 24-port PoE+ model provides 24 x 10/100/1000BASE-T ports with up to 30 W per port, four 1/10GbE SFP/SFP+ uplinks and two 40GbE QSFP+ ports, which are preconfigured as Virtual Chassis ports by default. The PoE+ budget is 370 W with one 600 W AC power supply or 720 W with two. Front-to-back airflow suits hot-aisle and cold-aisle rack layouts. Switching capacity is 144 Gbps unidirectional (288 Gbps bidirectional) with 214 Mpps of Layer 2/Layer 3 throughput, and Virtual Chassis links up to 10 members as one logical device.

The base Junos image includes the Standard feature set, so it works as an entry-level Layer 2/Layer 3 switch. Advanced and Premium tiers are optional upgrades. Uplinks accept EX-SFP-1GE and EX-SFP-10GE optics and SFP+ DAC cables. Rack-mount and wall-mount kits are available as separate accessories.

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
- Cloud-ready with zero-touch provisioning for Juniper Mist Wired Assurance
- PoE+ (IEEE 802.3at) with LLDP-MED granular PoE management
- Junos OS shared with EX, QFX, SRX and Juniper router platforms
- IEEE 802.1ae MACsec hardware encryption on GbE and 10GbE ports
- 802.1X, DHCP snooping, dynamic ARP inspection, MAC limiting and IPv6 RA Guard
- Layer 3 routing with RIP, OSPF v2/v3, VRRP, PIM and VRF-Lite
- High availability with GRES, nonstop routing, NSSU and redundant trunk groups

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

- Ports: 24 x 10/100/1000BASE-T PoE+
- Uplinks: 4 x 1/10GbE SFP/SFP+
- 40G ports: 2 x QSFP+ (Virtual Chassis ports by default)
- PoE per port: up to 30 W (PoE+) or 15.4 W (PoE)
- PoE+ budget: 370 W (1 PSU) / 720 W (2 PSUs)
- Power supply: AC, JPSU-600-AC-AFO (600 W)
- Max system power consumption: 110 W (without PoE)
- Airflow: Front-to-back
- Switching capacity: 144 Gbps unidirectional / 288 Gbps bidirectional
- Throughput: 214 Mpps Layer 2/Layer 3
- Backplane: 160 Gbps (QSFP+) or 80 Gbps (SFP+)
- Virtual Chassis: up to 10 members
- CPU: Dual Core 1 GHz
- DRAM: 2 GB with ECC
- Flash: 2 GB
- MAC addresses: 32,000
- Jumbo frames: 9216 bytes
- VLANs: 4,096 (IDs 1-4094)
- ACL entries in hardware: 1500
- Hardware queues per port: 12 (8 unicast, 4 multicast)
- IPv4 routes in hardware: 14,000 prefixes / 36,000 host routes
- LAGs: 128 (up to 16 ports per LAG)
- Dimensions (W x H x D): 44.1 x 4.37 x 35 cm
- Weight: 4.76 kg max (no PSU or fan module)
- Operating temperature: 0 to 45 C
- Acoustic noise: 37 dBA

FAQs

Q: Does the EX3400-24P need a licence?
A: No licence is needed for the Standard feature set, which is included in the Junos OS image. Advanced and Premium tiers are optional Flex licence upgrades, and MACsec uses a separate licence.

Q: How much PoE power does it provide?
A: The PoE+ budget is 370 W with one 600 W AC power supply and 720 W with two. All 24 ports support PoE+ at up to 30 W per port.

Q: Which optics work in the uplink ports?
A: The SFP/SFP+ ports accept EX-SFP-1GE-SX/LX/LX40K/LH/T and EX-SFP-10GE-SR/LR/LRM/ER/ZR/USR optics, 1000BASE-BX modules and SFP+ DAC cables. The two QSFP+ ports support 40GbE.

Q: Can the 40G QSFP+ ports be used for stacking?
A: Yes. The two QSFP+ ports are preconfigured as Virtual Chassis ports by default, allowing up to 10 switches to operate as one logical device.

Q: Is the airflow front-to-back?
A: Yes. This model uses front-to-back airflow, which suits data-centre access racks as well as wiring closets.

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