Name: EX4300-48T-DC-AFI Juniper 48x1GbE 4x40GbE DC AFI Switch
Brand: Juniper Networks
SKU: EX4300-48T-DC-AFI
Price: 1.00 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The Juniper EX4300-48T-DC-AFI switch provides 48 1GbE ports with 4 40GbE uplink ports, operating on DC power and featuring Advanced Forwarding Infrastructure. It is well-suited for environments requiring dense access layer switching with high-capacity uplinks and efficient traffic handling.

General Information
Brand	Juniper Networks
Condition	Refurbished

Technical Information
Switch Type	Layer 3, Managed Switch, Stackable 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+, USB Console, Serial Console (RJ-45)
Port Speed	1GbE
UpLink Ports	4 x 40GbE (QSFP+)
POE Support	No
VLAN Support	Yes
Max VLANs Supported	4094
Stackable	Yes
Layer Support	Layer 2, 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, OSPF, OSPFv3, BGP, IS-IS, VRRP, PIM-SM, IGMP
Remote Protocols	Yes
Management Interfaces	Junos CLI,J-Web,SSH,Telnet,SNMP,NETCONF,USB Console
Security Features	IEEE 802.1X,ACLs (firewall filters),RADIUS/TACACS+,DHCP Snooping,Storm control,IP Source Guard
Management Type	In-band/Out-of-band
Remote Management Protocol	SNMPv1/v2/v3,SSH,NETCONF
Routing Protocol	Static,RIP,OSPF,OSPFv3,BGP,IS-IS,VRRP,PIM-SM,IGMP

Power & Cooling
Power	-48 VDC
Power Supply	Dual -48 VDC (optional redundant DC power supplies)

Physical Characteristics
Weight	3.00
Operating Temperature	0°C to 45°C

Miscellaneous
Eco Friendly	Yes
Assembly Required	No
Compliance Standards	WEEE, RoHS, CE, FCC, UL
Compliant Standards	IEEE 802.3,IEEE 802.3u,IEEE 802.3ab,IEEE 802.1Q,IEEE 802.1p,IEEE 802.1X

Product Description
The Juniper EX4300-48T-DC-AFI is a network switch equipped with 48 1GbE ports and 4 40GbE uplink ports, designed to provide robust connectivity for enterprise networking environments. It operates on DC power, making it suitable for data centers or facilities with DC power infrastructure. This switch is typically used in environments requiring dense access layer switching combined with high-speed uplinks to aggregation or core layers. Network administrators and IT professionals deploying campus or data center networks benefit from its port density and uplink capabilities. Key Features 48 RJ-45 ports delivering 1 Gigabit Ethernet connectivity 4 QSFP+ ports supporting 40 Gigabit Ethernet uplinks Supports DC power input suitable for specific power infrastructures Incorporates Advanced Forwarding Infrastructure (AFI) for optimized packet processing Compact form factor designed for rack mounting The EX4300-48T-DC-AFI serves as a vital component in network topology, offering extensive access-level connectivity with uplink options to support aggregation. Its DC power compatibility and forwarding capabilities make it adaptable in various enterprise and service provider environments.

Use Cases
The EX4300-48T-DC-AFI is typically deployed in enterprise campus networks and data centers where DC power is preferred or required. It supports environments demanding high port density combined with 40GbE uplinks for core or aggregation connectivity. How It's Used: As an access layer switch in data centers requiring DC power operation In campus networks to provide 1GbE connectivity to end devices For uplink aggregation through 40GbE ports to core network switches To manage high-volume traffic using Advanced Forwarding Infrastructure In rack-mounted setups within network closets or wiring rooms This switch plays a critical role in supporting network scalability and managing traffic efficiently in settings with specific power requirements. It enables seamless integration between access devices and core network infrastructure.

FAQ's
What type of power does the EX4300-48T-DC-AFI use? The EX4300-48T-DC-AFI is designed to operate with direct current (DC) power input, suitable for DC-powered data center or enterprise environments. How many uplink ports are on the EX4300-48T-DC-AFI? This model includes 4 uplink ports supporting 40 Gigabit Ethernet speeds for high-capacity network aggregation. What speed do the main ports of this switch support? The switch provides 48 ports that support 1 Gigabit Ethernet each, ideal for typical access layer connectivity needs. What does AFI stand for in the EX4300-48T-DC-AFI? AFI refers to Advanced Forwarding Infrastructure, a feature that enhances packet processing and traffic management within the switch. Is the EX4300-48T-DC-AFI suitable for rack mounting? Yes, the switch is designed with a compact form factor that supports installation in standard network racks. Can this switch connect directly to core switches? Yes, the 4 40GbE uplink ports allow it to connect to core or aggregation switches, facilitating higher bandwidth data flows.