EX3400-48P - Juniper EX3400 Series Ethernet Switches
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EX3400-48P
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EX3400-48P Overview
EX3400 48-port 10/100/1000BaseT PoE+, 4 x 1/10G SFP/SFP+, 2 x 40G QSFP+, redundant fans, front-to-back airflow, 1 AC PSU JPSU-920-AC-AFO included (optics sold separately) EX3400-48P
Overview
EX3400-48P Overview
Juniper EX3400 48PORT SWITCH, Managed, L2/L3, Gigabit Ethernet (10/100/1000), Power over Ethernet (PoE), 1U
EX3400-48P is a Juniper EX3400 switch with 48-port 10/100/1000BASE-T (48 PoE+ ports) with 4 SFP+ and 2 QSFP+ uplink ports (optics not included). EX3400 Ethernet Switches are a cost-effective solution for today’s most demanding converged data, voice, and video enterprise access networks. The compact, fixed-configuration 1U devices offer levels of performance and management previously available only with high-end access switches.
Quick Spec
SKU | EX3400-48P |
Ports | 48-port 10/100/1000BASE-T (48 PoE+ ports) with 4 SFP+ and 2 QSFP+ uplink ports (optics not included) |
Backplane speed | 160 Gbps |
Data rate | 336 Gbps |
Throughput | 250 Mpps (wire speed) |
Dimensions (W x H x D) | 17.4 x 1.7 x 13.8 in (43.7 x 4.4 x 35 cm) |
Product Details
Figure 1 shows the front panel of EX3400-48P.
Note:
① | RJ-45 PoE+ ports | ④ | Factory Reset/Mode button |
② | Uplink ports | ⑤ | Port status mode LEDs |
③ | Mini-USB console port | ⑥ | Chassis status LEDs |
Figure 2 shows the rear panel of EX3400 AC chassis.
Note:
① | Management Ethernet port | ⑦ | AC power supply |
② | Protective earthing terminal | ⑧ | Serial Number ID Label |
③ | ESD point | ⑨ | QSFP+ uplink ports |
④ | Fan modules | ⑩ | RJ-45 console port |
⑤ | CLEI code label | ⑪ | USB port |
⑥ | Empty slot for power supply covered by a blank panel |
Compare to Similar Items
SKU | EX3400-24T | EX3400-24P | EX3400-48T | EX3400-48P |
Ports | 24-port 10/100/1000BASE-T with 4 SFP+ and 2 QSFP+ uplink ports (optics not included) | 24-port 10/100/1000BASE-T (24 PoE+ ports) with 4 SFP+ and 2 QSFP+ uplink ports (optics not included) | 48-port 10/100/1000BASE-T, 4 x 1/10GbE SFP/SFP+, 2 x 40GbE QSFP+ | 48-port 10/100/1000BASE-T (48 PoE+ ports) with 4 SFP+ and 2 QSFP+ uplink ports (optics not included) |
Backplane speed | 160 Gbps | 160 Gbps | 160 Gbps | 160 Gbps |
Data rate | 288 Gbps | 288 Gbps | 336 Gbps | 336 Gbps |
Throughput | 214 Mpps (wire speed) | 214 Mpps (wire speed) | 250 Mpps (wire speed) | 250 Mpps (wire speed) |
Dimensions (W x H x D) | 17.4 x 1.7 x 13.8 in (43.7 x 4.4 x 35 cm) | 17.4 x 1.7 x 13.8 in (43.7 x 4.4 x 35 cm) | 17.4 x 1.7 x 13.8 in (43.7 x 4.4 x 35 cm) | 17.4 x 1.7 x 13.8 in (43.7 x 4.4 x 35 cm) |
336 Gbps, 250 Mpps, 1 GHz, 2 GB, 48x 10/100/ 1000BASE-T, PoE+, 4x SFP+, 2x QSFP+, 442 x 44 x 350 mm
- Managed L2/L3 Web-based management
- Quality of Service (QoS) support
- Basic switching RJ-45 Ethernet ports quantity: 48
- 10G support 10BASE-T, 100BASE-T, 1000BASE-T
- MAC address table: 32000 entries Switching capacity: 336 Gbit/s
- Access Control List (ACL)
- 1U Stackable
- Power over Ethernet (PoE)
Summary Description
Juniper EX3400 48PORT SWITCH, Managed, L2/L3, Gigabit Ethernet (10/100/1000), Power over Ethernet (PoE), 1U
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Specification
EX3400-48P Specification
EX3400-48P Specification | |
Description | EX3400 48-port 10/100/1000BASE-T (48 PoE+ ports) with 4 SFP+ and 2 QSFP+ uplink ports (optics not included) |
Form factor | Fixed platform |
Dimensions (W x H x D) | 17.4 x 1.7 x 13.8 in (43.7 x 4.4 x 35 cm) |
Backplane speed | 160 Gbps |
Data rate | 336 Gbps |
Throughput | 250 Mpps (wire speed) |
40GBASE quad small form-factor pluggable plus transceiver (QSFP+) port densities | 2 |
100GBASE C form-factor pluggable transceiver (CFP) port densities | N/A |
Resiliency | Redundant, field-replaceable power supplies |
Operating system | Junos OS |
Traffic monitoring | sFlow |
Quality-of-service (QoS) queues/port | 8 unicast/4 multicast |
MAC addresses | 32,000 |
Jumbo frames | 9216 bytes |
IPv4 unicast/multicast routes | 36,000/4,000 |
IPv6 unicast/multicast routes | 18,000/2,000 |
Number of VLANs | 4,096 |
ARP entries | 16,000 |
Resources
Documents
Frequently Asked Questions
What are the primary uplink connectivity options for the Juniper EX3400-48P? +
The EX3400-48P offers flexible high-speed uplink capabilities designed for modern network backbones. It features four 1/10GbE SFP/SFP+ ports for standard fiber connectivity and two dedicated 40GbE QSFP+ ports. These high-density interfaces allow you to aggregate traffic efficiently into the core layer or support high-bandwidth server clusters without bottlenecks.
Does the EX3400-48P support Power over Ethernet (PoE+) for enterprise devices? +
Yes, this model provides full IEEE 802.3at PoE+ support across its 48 copper ports. It is engineered to deliver reliable power to high-draw devices such as IP security cameras, 802.11ac/ax wireless access points, and VoIP phones. The included 920W AC power supply ensures sufficient power budget for demanding deployments where robust device connectivity is critical.
How does the airflow design of the EX3400-48P suit data center racks? +
This switch is built with a front-to-back airflow configuration, which is standard for data center and server room environments. This design aligns with hot-aisle/cold-aisle containment strategies, allowing the fans to pull air from the front and exhaust it toward the rear. This ensures optimal thermal management and prevents heat recirculation within your equipment racks.
Can the EX3400-48P be deployed in a Virtual Chassis configuration? +
Absolutely. The EX3400 series supports Juniper's Virtual Chassis technology, which allows you to interconnect up to ten switches into a single logical device. This simplifies management and provides improved network resiliency. You can utilize the high-speed 40GbE QSFP+ ports to create robust backplane links between members, ensuring low latency and high availability across the entire stack.
What level of Layer 3 routing functionality does this managed switch provide? +
The EX3400-48P functions as a high-performance Layer 3 managed switch, supporting advanced routing protocols such as OSPF, BGP, and RIP. It is suitable for enterprise campus access or aggregation layers where inter-VLAN routing is required. These features enable efficient traffic segmentation and control, allowing the switch to handle complex network topologies effectively.
Is the power supply unit on the EX3400-48P field-replaceable? +
The unit includes one JPSU-920-AC-AFO power supply, which is designed for easy access and maintenance. The switch supports field-replaceable power supplies and fan modules to ensure maximum uptime. In scenarios where continuous operation is mandatory, you can manage the hardware components without needing to take the entire switch chassis out of the rack.
Are the optical transceivers included with the EX3400-48P? +
The EX3400-48P base unit does not include optical transceivers. You will need to procure the appropriate 1G/10G SFP/SFP+ or 40G QSFP+ optics separately based on your specific cabling requirements and reach distances. This allows you the flexibility to choose original Juniper optics or compatible third-party options to match your existing fiber infrastructure.
What type of management interface does the Juniper EX3400-48P utilize? +
Management is handled through the Junos OS, which offers a comprehensive Command Line Interface (CLI) for granular configuration. Additionally, it supports web-based management, SNMP for network monitoring platforms, and automation tools like Python scripts or ZTP (Zero Touch Provisioning). This versatility ensures the switch integrates seamlessly into existing enterprise management workflows and automated network environments.
How can I obtain a competitive bulk quote for multiple EX3400-48P switches? +
If you are planning a large-scale infrastructure refresh or deployment, contact our sales department directly. We specialize in providing custom bulk quotes for enterprise-level volume orders. Our team works closely with you to understand your project requirements, ensuring you receive the most competitive pricing for your quantity needs while maintaining a streamlined procurement process.
Why should I choose BuyRouterSwitch.com for my networking hardware needs? +
BuyRouterSwitch.com is a dedicated partner for IT professionals seeking authentic enterprise networking equipment. We pride ourselves on providing a secure ordering experience and a deep inventory of high-performance gear. By choosing us, you benefit from our commitment to sourcing reliable, industry-standard hardware, ensuring your network infrastructure is built on a foundation of genuine components and expert procurement support.
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