• Juniper EX3400-48T-AFI switch with vibrant pink glossy fruit sticker
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Juniper

Juniper EX3400-48T-AFI | EX3400 48-Port Gigabit Switch, 4x 10G SFP+, AFI, 150W

EX3400-48T-AFI

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Description

The Juniper EX3400 is a fixed-configuration 1U access switch from the EX Series, built for converged data, voice and video access in campus and branch networks. It runs Junos OS and can operate in a Virtual Chassis of up to 10 members or act as a Junos Fusion Enterprise satellite to an EX9200 aggregation device.

This EX3400-48T-AFI provides 48 x 10/100/1000BASE-T RJ-45 ports with no PoE, plus 4 x 1/10GbE SFP/SFP+ and 2 x 40GbE QSFP+ ports. Packet switching capacity is 168 Gbps unidirectional (336 Gbps bidirectional) at 250 Mpps wire speed. The AFI variant uses back-to-front airflow with redundant fans and a 150 W AC power supply, so it suits racks where the switch ports face the hot aisle. The chassis has two PSU slots for power redundancy. Junos OS advanced Layer 3 features are tied to software licensing tiers.

The SFP/SFP+ ports accept 1GbE and 10GbE optics, and the QSFP+ ports accept 40GbE optics. The 40GbE ports are preconfigured for Virtual Chassis and can be reconfigured as uplinks. Matching spares are the EX3400-FAN-AFI fan module and the JPSU-150-AC-AFI power supply.

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

Features

- Virtual Chassis technology manages up to 10 switches as a single device
- Junos Fusion Enterprise support, acting as a satellite to an EX9200 aggregation device
- 40GbE QSFP+ ports preconfigured for Virtual Chassis and reconfigurable as uplinks
- Redundant, field-replaceable power supplies and fans
- Energy Efficient Ethernet (EEE) support
- Cable diagnostics, digital optical monitoring and port mirroring including ERSPAN
- Junos OS commit and rollback for safe configuration changes
- Layer 2 features including RSTP, VSTP, LACP and 802.1X port access control

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
- Uplink ports: 4 x 1/10GbE SFP/SFP+
- QSFP+ ports: 2 x 40GbE
- PoE: Not supported
- Packet switching capacity: 168 Gbps unidirectional / 336 Gbps bidirectional
- Throughput: 250 Mpps wire speed
- Virtual Chassis bandwidth: 160 Gbps (QSFP+) / 80 Gbps (SFP+)
- Maximum Virtual Chassis members: 10
- MAC address table: 32,000 entries
- VLAN IDs: 4,096
- Jumbo frames: 9,216 bytes
- QoS queues: 12 per port (8 unicast, 4 multicast)
- DRAM: 2 GB with ECC
- Flash: 2 GB
- CPU: Dual core 1 GHz
- Airflow: Back-to-front (AFI)
- Power supply: JPSU-150-AC-AFI, 150 W AC
- Fan modules: Redundant (EX3400-FAN-AFI)
- Noise: 39 dBA
- Dimensions (W x H x D): 43.7 x 4.4 x 35 cm (1 RU)
- Operating system: Junos OS
- Management ports: 1 x RJ-45 console, 1 x mini-USB console, 1 x RJ-45 management Ethernet, 1 x USB Type-A

FAQs

Q: Does the EX3400-48T-AFI support PoE?
A: No. This is a non-PoE model, so powered devices such as access points and phones need a separate PoE source.

Q: What does AFI airflow mean on this switch?
A: AFI is back-to-front airflow. Air enters at the rear and exits at the port side, which suits racks where the switch ports face the hot aisle.

Q: Does it need a software licence?
A: It runs Junos OS. Advanced Layer 3 features are covered by Juniper software licensing tiers (Enhanced Limited and Enhanced).

Q: Which optics does it use?
A: The 4 SFP/SFP+ ports take 1GbE and 10GbE optics, and the 2 QSFP+ ports take 40GbE optics.

Q: Can it be stacked in a Virtual Chassis?
A: Yes. Up to 10 members can be joined, using the 40GbE QSFP+ ports for 160 Gbps interconnect or the SFP+ ports for 80 Gbps.

Q: Which fan module and power supply match this model?
A: The matching parts are the EX3400-FAN-AFI fan module and the JPSU-150-AC-AFI 150 W AC power supply, both back-to-front airflow.

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