• Vibrant pink glossy Juniper fruit sticker on EX4100-48P-CHAS switch
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Juniper

Juniper EX4100-48P-CHAS | EX4100 48-Port PoE+ Switch, 4x 10G SFP+, Chassis Only

EX4100-48P-CHAS

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Description

The EX4100 48-port PoE+ switch is a 1U campus access switch from Juniper's EX4100 line. It suits campus and branch access layers where PoE+ is needed for IP phones, Wi-Fi access points, cameras and IoT devices, and it can be onboarded and managed from the cloud with Juniper Mist Wired Assurance.

It provides 48 x 10/100/1000BASE-T PoE+ ports at up to 30 W per port, 4 x 1/10GbE SFP+ uplinks and 4 x 10/25GbE SFP28 Virtual Chassis or uplink ports. Switching capacity is 188 Gbps unidirectional (376 Gbps bidirectional) with 279 Mpps forwarding. The PoE budget is 740 W with one power supply and 1440 W with two. This is the chassis-only, front-to-back airflow (AFO) SKU, so fan modules and power supplies are ordered separately.

It takes JPSU-920-AC-AFO power supplies and matching AFO fan modules. The Junos OS Standard image ships with the switch, and Flex licences can be added for advanced features.

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

Features

- Cloud onboarding, provisioning and management with Juniper Mist Wired Assurance
- Marvis virtual network assistant for AI-driven operations
- Virtual Chassis support, with SFP28 ports that can be reconfigured as uplinks
- Campus Fabric deployments using EVPN-VXLAN
- MACsec AES-256 encryption on uplink ports
- Redundant hot-swappable fan modules and load-sharing power supplies
- Junos OS with Layer 2 and Layer 3 features
- PoE+ (30 W) on all 48 access 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
- PoE+ ports: 48 (up to 30 W per port)
- PoE budget: 740 W (1 PSU) / 1440 W (2 PSUs)
- Uplink ports: 4 x 1GbE/10GbE SFP+ (MACsec capable)
- Virtual Chassis / uplink ports: 4 x 10GbE/25GbE SFP28
- Switching capacity: 188 Gbps unidirectional / 376 Gbps bidirectional
- Forwarding rate: 279 Mpps (64-byte packets)
- Switching engine mode: Store and forward
- CPU: 1.7 GHz ARM
- Memory: 4 GB DRAM with ECC
- Storage: 8 GB
- Airflow: front-to-back (AFO), 1U
- Compatible power supply: JPSU-920-AC-AFO (920 W AC)
- Dimensions (W x H x D): 44.1 x 4.37 x 35 cm
- Weight (no power supply or fan module): 4.66 kg
- Operating temperature: 0 to 45 C
- Storage temperature: -40 to 70 C
- Operating altitude: up to 1828.8 m at 40 C
- Console port: RS232 to USB Type-C

FAQs

Q: Which power supplies does this chassis use?
A: It takes JPSU-920-AC-AFO power supplies (920 W AC, front-to-back airflow). One supply gives a 740 W PoE budget and two give 1440 W.

Q: Do I need a licence to run this switch?
A: The Junos OS Standard software image ships with the switch. Subscription (3 and 5 year) and perpetual Flex licences are available, and Flex Advanced and Flex Premium unlock additional features. Subscription versions include Juniper Mist Wired Assurance.

Q: What airflow direction does this model use?
A: It is the AFO variant with front-to-back airflow, so any fan modules fitted must also be AFO.

Q: Can the SFP28 ports be used as uplinks?
A: Yes. The 4 x 10/25GbE SFP28 ports are used for Virtual Chassis and can be reconfigured as uplinks.

Q: How is the PoE budget determined?
A: The budget depends on the number of power supplies fitted: 740 W with one and 1440 W with two. Each access port supports up to 30 W PoE+.

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