Name: QFX5120-48T-AFI-T Juniper 48x RJ45 10G, 6x QSFP28 100G Switch
Brand: Juniper Networks
SKU: QFX5120-48T-AFI-T
Price: 3048.75 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The QFX5120-48T-AFI-T switch combines 48 RJ45 10 Gbps ports with 6 QSFP28 uplinks, making it suitable for environments needing both high-density copper connections and high-speed fiber optics. It fits well into enterprise and data center networks by providing versatility in port types and supporting a range of networking protocols without sacrificing performance or reliability.

General Information
Brand	Juniper Networks
Condition	Refurbished

Technical Information
Switch Type	Layer 3, Managed Switch, Stackable Switch
Form Factor	Rack-Mountable
Mount Type	1U Rack
Switch Ports	48
Number of Ports	48-Ports
Port Type	10GBase-T, 100G QSFP28, USB Console, Serial Console (RJ-45)
Port Speed	10GBase-T,100G
UpLink Ports	6
POE Support	No
Switching Capacity	2.16 Tbps (full duplex)
Switch Forwarding Rate	2,109 Mpps (64-byte packets)
VLAN Support	Yes
Max VLANs Supported	1-4094
Stackable	Yes
Layer Support	Layer 3
Connector Type	RJ-45,QSFP28,USB Console,Serial Console (RJ-45)

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static, OSPF, OSPFv3, BGP, IS-IS, VRRP, PIM-SM, IGMP, Policy-Based Routing (PBR)
Remote Protocols	Yes
Management Interfaces	Console (RJ-45), USB Console, Dedicated management Ethernet port, SSH, SNMP, NETCONF, REST API
Security Features	802.1X, ACLs, MAC limiting, DHCP snooping, IP Source Guard, Dynamic ARP Inspection, RADIUS, TACACS+
Management Type	Junos CLI, Junos Space, SNMP, NETCONF, REST
Remote Management Protocol	SSH,SNMP,NETCONF,RESTCONF,HTTPS

Power & Cooling
Fans	Redundant hot-swappable fans
Power	100-240 VAC, 50-60 Hz (supports redundant/field-replaceable power supplies)

Physical Characteristics
Weight	3.00
Operating Temperature	0°C to 40°C (32°F to 104°F)

Miscellaneous
Assembly Required	No
Compliance Standards	WEEE, RoHS, CE, FCC, UL
Compliant Standards	IEEE 802.1Q, IEEE 802.1p, IEEE 802.3, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1X

Product Description
The QFX5120-48T-AFI-T is a high-performance switch built for modern networking demands, offering a blend of 10 Gigabit Ethernet RJ45 ports and high-capacity QSFP28 uplinks. This switch is commonly found in data centers and enterprise settings where reliable, scalable, and low-latency switching is required. Network engineers and IT professionals benefit from its versatile port configuration and advanced switching capabilities. Key Features Provides a combination of 48 10GBASE-T ports for copper connectivity and 6 QSFP28 slots for high-speed fiber uplinks Supports advanced Layer 2 and Layer 3 protocols to facilitate robust network management Designed for high throughput with low latency to maintain efficiency in demanding environments Offers flexible deployment options with comprehensive software support Built to integrate seamlessly into existing infrastructure with scalable capacity This switch plays a critical role in maintaining network performance and reliability by efficiently managing traffic loads and supporting essential network services. Its design balances density, speed, and flexibility to meet ongoing operational requirements without compromising stability.

Use Cases
The QFX5120-48T-AFI-T switch is typically deployed in environments where high-density 10 Gigabit Ethernet connectivity is essential, such as enterprise campus backbones and data center access layers. It serves IT teams requiring robust switching solutions that can accommodate both copper and fiber connections within scalable network architectures. How It's Used: Data center access layer deployments needing dense 10GBASE-T connectivity for server and storage access Enterprise campus networks combining wired desktop connections with high-speed uplinks Aggregation switches in mid-sized networks demanding low latency and high throughput Edge computing setups where mixed media connectivity is necessary for flexibility Environments requiring seamless integration into existing Juniper network infrastructure By supporting diverse connectivity types with solid hardware and software features, this switch ensures operational efficiency and scalability. It helps network administrators maintain consistent performance while adapting to evolving network demands.