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Juniper

Juniper EX4300-24P-S | EX4300 24-Port PoE+ Switch, Spare Chassis, 550W Budget

EX4300-24P-S

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Description

The EX4300-24P-S is the spare chassis version of the 24-port PoE+ Juniper EX4300 Gigabit access switch. It suits campus, branch-office and data-centre access deployments and wiring closets where rack space and power are limited, including high-density IP telephony and wireless access point rollouts powered over PoE+.

All 24 access ports are 10/100/1000BASE-T with 802.3at PoE+, delivering up to 30 W per port. When fitted with the 715 W AC power supply, the PoE budget is 550 W. Four fixed 40GbE QSFP+ ports are preconfigured as Virtual Chassis ports with a 320 Gbps backplane, and an optional 4-port 1/10GbE SFP+ uplink module can be added. Switching capacity is 224 Gbps unidirectional (448 Gbps bidirectional) with 333 Mpps wire-speed throughput. This SKU is a spare chassis, so the power supply and fan modules are specified separately: the 24P chassis uses the JPSU-715-AC-AFO power supply with the EX4300-FAN module.

The switch runs Junos OS with the Standard feature tier for Layer 2 and Layer 3 switching. Up to 10 EX4300 and/or EX4600 switches can be joined with Virtual Chassis and managed as a single device. Advanced and Premium tiers are available as optional licences.

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

Features

- Virtual Chassis technology to manage up to 10 EX4300 and/or EX4600 switches as one device
- Four integrated 40GbE QSFP+ ports usable as Virtual Chassis ports or uplinks
- Standards-based 802.3at PoE+ with up to 30 W on all 24 ports
- Hot-swappable redundant power supplies and field-replaceable fans
- Front-panel LCD for bring-up, rollbacks, alarm status and factory reset
- Six preconfigured port profiles including desktop, IP phone and wireless access point
- Layer 2 and Layer 3 switching on modular Junos OS
- Security features including MAC limiting, DHCP snooping, dynamic ARP inspection and IP source guard

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 PoE+ (802.3at)
- Fixed uplinks: 4 x 40GbE QSFP+ (Virtual Chassis capable)
- Optional uplink module: 4-port 1/10GbE SFP+/SFP
- PoE budget: 550 W (with 715 W AC power supply)
- Compatible power supply: JPSU-715-AC-AFO
- Compatible fan module: EX4300-FAN
- Airflow: front-to-back (AFO)
- Switching capacity: 224 Gbps unidirectional / 448 Gbps bidirectional
- Throughput: 333 Mpps wire speed
- Virtual Chassis backplane: 320 Gbps, up to 10 units
- Maximum MAC addresses: 64,000
- Jumbo frames: 9216 bytes
- VLANs supported: 4093
- Memory: 2 GB DRAM with ECC, 2 GB storage
- CPU: 1.5 GHz dual-core PowerPC
- Form factor: 1 RU
- Dimensions (W x H x D): 44.1 x 4.37 x 41.6 cm
- Weight with no power supply or fans: 5.9 kg
- Operating temperature: 0 to 45 C
- Power input: autosensing 100-120 V / 200-240 V AC

FAQs

Q: Does this switch need a licence?
A: The Standard tier of Junos OS, covering Layer 2 and Layer 3 switching, is included with the switch. Advanced and Premium tiers are optional licences.

Q: Which power supply does the EX4300-24P-S use?
A: This spare chassis uses the JPSU-715-AC-AFO power supply with the EX4300-FAN module. With the 715 W supply, the PoE budget is 550 W.

Q: Does it have 10G SFP+ uplinks?
A: The chassis has four fixed 40GbE QSFP+ ports. The 4-port 1/10GbE SFP+ uplink module is optional and provides the 10G SFP+ uplinks.

Q: Can I stack it with other switches?
A: Yes. Virtual Chassis lets you join up to 10 EX4300 and/or EX4600 switches into a single logical device over a 320 Gbps backplane.

Q: Which optics does the uplink module support?
A: The 4-port uplink module accepts 1GbE SFP SX and LX optics and 10GbE SFP+ SR, USR, LR, ER, LRM and DAC options. The fixed 40GbE QSFP+ ports support SR and DAC.

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