Name: 650-044930 Juniper EX4300-48P 48x1GbE PoE+ 4x40GbE 1U Switch
Brand: Juniper Networks
SKU: 650-044930
Price: 499.00 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The Juniper EX4300-48P is a 1U Ethernet switch designed for enterprise environments, featuring 48 PoE+ capable 1GbE ports and four 40GbE uplink ports. It operates on Junos OS and supports Layer 2 and Layer 3 protocols, making it suitable for access and aggregation roles within a network.

General Information
Brand	Juniper Networks
Condition	Refurbished

Technical Information
Switch Type	Layer 3, Managed Switch, Stackable Switch, PoE Switch, Gigabit Switch
Form Factor	Rack-Mountable
Mount Type	1U Rack
Switch Ports	48
Number of Ports	48-Ports
Port Type	10/100/1000Base-T, 40G QSFP+
Port Speed	1 Gbps
UpLink Ports	4x40GbE
POE Support	PoE+
DRAM	4 GB
Flash Memory	8 GB
VLAN Support	Yes
Max VLANs Supported	4094
Stackable	Yes
Layer Support	Layer 3
Connector Type	RJ-45,QSFP+

Performance
Jumbo Frame Support	Up To 9216 Bytes
MAC Address Table Size	32000

Management and Configuration
Routing Protocols	Static, RIP, RIPng, OSPF, OSPFv3, BGP, IS-IS, VRRP, PIM-SM, IGMP
Remote Protocols	Yes
Management Interfaces	USB Console,Serial Console (RJ-45),RJ-45 (Management)
Security Features	802.1X,ACLs,RADIUS,TACACS+,SSH,Storm Control,DHCP Snooping,IP Source Guard
Management Type	CLI (Junos OS),Web UI,SNMP
Remote Management Protocol	SSH,HTTPS,HTTP,SNMPv1/v2c/v3,Telnet
Routing Protocol	Yes

Power & Cooling
Fans	Yes (internal, variable-speed)
Power	AC 100-240V, 50-60Hz

Physical Characteristics
Weight	3.00
Operating Temperature	0°C to 40°C

Miscellaneous
Eco Friendly	Yes
Assembly Required	No
Compliance Standards	WEEE, RoHS, CE, FCC, UL, TUV
Compliant Standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3x, IEEE 802.1Q, IEEE 802.1D, IEEE 802.1p, IEEE 802.1w, IEEE 802.3af, IEEE 802.3at

Product Description
The Juniper EX4300-48P is a 1U rack-mount Ethernet switch offering 48 1GbE ports with Power over Ethernet Plus (PoE+) capability. It is commonly used in enterprise and campus environments to provide both data connectivity and power to devices such as IP phones, wireless access points, and security cameras. This switch features four 40GbE uplink ports that facilitate high-capacity aggregation and uplink connectivity to core network devices. It is designed to support network access and distribution layers in medium to large network deployments. Key Features 48 10/100/1000BASE-T PoE+ ports delivering power and data on a single cable Four 40GbE QSFP+ uplink ports for high-speed network aggregation Compact 1U rack-mount chassis suitable for data center or wiring closet installations Supports Layer 2 and Layer 3 switching functions Juniper’s Junos OS provides a stable and consistent network operating environment This switch enables simplified network designs by combining data and power delivery to connected devices. Its uplink capacity supports robust network backbones, allowing flexible deployment in enterprise campus and branch infrastructures.

Use Cases
The EX4300-48P switch is typically deployed in medium to large enterprise campuses and branch office networks where both data connectivity and power delivery are necessary. It supports environments requiring a combination of high port density and uplink bandwidth. How It's Used: Powering and connecting IP phones and wireless access points via PoE+ in office networks Aggregation switch in enterprise wiring closets linking access switches to core routers Supporting Layer 3 routing capabilities within campus network segments Providing uplink connections to data center or core switches using 40GbE ports Deployments requiring 1U rack space conserving high port density This switch plays a critical role in enabling network access and powering edge devices, while also supporting robust uplink capacity for aggregation and backbone connectivity within enterprise network architectures.

FAQ's
What does PoE+ mean on the EX4300-48P switch? PoE+ (Power over Ethernet Plus) allows the switch to provide power and data over a single Ethernet cable to connected devices such as IP phones and wireless access points. This reduces the need for separate power supplies. How many uplink ports does the switch have and what speed? The EX4300-48P features four 40 Gigabit Ethernet (40GbE) QSFP+ uplink ports for high-speed connectivity to aggregation or core switches. What size is the EX4300-48P switch chassis? The switch has a 1U rack-mountable form factor, making it suitable for standard equipment racks in data centers or wiring closets. Does the switch support Layer 3 routing? Yes, the switch supports both Layer 2 and Layer 3 switching functions, allowing it to perform routing within enterprise networks. Which operating system runs on this Juniper switch? The EX4300-48P runs Juniper's Junos OS, which provides consistent network management and operational stability. Is the EX4300-48P suitable for powering wireless access points? Yes, its 48 PoE+ ports can deliver power to wireless access points, making it suitable for enterprise wireless deployments.