QFX5110-48S-AFO, Juniper 48-Port 10GbE/100GbE Data Center Switch

  • Brand: Juniper
  • Model: QFX5110-48S-AFO
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    Overview
    End-of-Life Notice
    End-of-Life Notice
    QFX5110-48S-AFO is officially EOL. Service support ends on 2021-10-04.
    For full lifecycle details, see QFX5110-48S-AFO EOL.

    Juniper QFX5110-48S-AFO Overview

    The QFX5110-48S-AFO is a fixed 1U data center access and leaf switch with 48 SFP+ ports and four QSFP28 ports. Its AC power system and front-to-back airflow support existing data center racks designed for port-side-to-FRU cooling.

    Key Specifications

    Data Ports

    48 x SFP+

    Uplink Ports

    4 x QSFP28

    Port Speeds

    1GbE/10GbE, 40GbE/100GbE

    Switching Capacity

    1.76 Tbps

    Forwarding Performance

    1.32 Bpps

    Power and Airflow

    AC, front-to-back airflow


    Figure 1. QFX5110-48S Port Panel

    Juniper QFX5110-48S port panel

    The QFX5110-48S port panel includes 48 SFP+ ports, four QSFP28 ports, and dedicated timing connections for grandmaster clock and pulse-per-second applications.

    1 Electrostatic discharge (ESD) terminal
    2 RJ-45 connection to grandmaster clock
    3 48 SFP+ ports
    4 4 QSFP28 ports
    5 10 MHz output clock
    6 1 pulse-per-second output connection

    Best Fit Applications

    Data Center Top-of-Rack and Leaf

    Data Center Top-of-Rack and Leaf

    Juniper positions the QFX5110-48S as a data center access and leaf switch with 48 SFP+ ports and four QSFP28 ports for high-speed uplinks.

    High-Density 10GbE Access

    High-Density 10GbE Access

    The 48 SFP+ ports support 1GbE or 10GbE transceivers for existing server, storage, and data center access networks.

    40GbE/100GbE Uplink Connectivity

    40GbE/100GbE Uplink Connectivity

    The four QSFP28 ports support 40GbE or 100GbE connections for upstream or switch-to-switch links.

    Virtual Chassis Fabric

    Virtual Chassis Fabric

    QFX5110-48S supports Virtual Chassis and Virtual Chassis Fabric connections through dedicated QSFP28 links and supported cables.

    Why QFX5110-48S-AFO

    Existing QFX5110 Deployment Compatibility

    Existing QFX5110 Deployment Compatibility

    The QFX5110-48S-AFO provides the port layout and airflow configuration required for existing QFX5110-48S networks using front-to-back cooling.

    Dense 1GbE and 10GbE Access

    Dense 1GbE and 10GbE Access

    Forty-eight SFP+ ports support 1GbE and 10GbE transceivers for established server, storage, and data center access connections.

    Flexible QSFP28 Uplinks

    Flexible QSFP28 Uplinks

    Four QSFP28 ports can operate at 40GbE or 100GbE and support approved breakout, DAC, AOC, and optical connectivity options.

    Front-to-Back AC Configuration

    Front-to-Back AC Configuration

    The AFO configuration combines AC power with port-to-FRU airflow for racks designed around front-to-back cooling.

    Legacy Replacement Option

    Legacy Replacement Option

    This model remains relevant for existing-network maintenance, replacement, and compatible inventory deployments, subject to availability and support confirmation.

    Compare Related Models

     
    QFX5110-48S-AFO QFX5110-48S-AFO
    Port Configuration 48 x SFP+; 4 x QSFP28 48 x SFP+; 4 x QSFP28 48 x SFP+; 4 x QSFP28 Up to 32 x QSFP+ or 20 x QSFP+ plus 4 x QSFP28 48 x SFP/SFP+; 6 x QSFP+
    Throughput / Forwarding 1.76 Tbps / 1.32 Bpps 1.76 Tbps / 1.32 Bpps 1.76 Tbps / 1.32 Bpps 2.56 Tbps / 1.44 Bpps 1.44 Tbps / 1.08 Bpps
    Power and Airflow AC; front-to-back AC; front-to-back AC; back-to-front DC; front-to-back AC; front-to-back
    Recommended Use Existing QFX5110 replacement and maintenance Same port and airflow profile with transformed SKU Deployments requiring back-to-front airflow Sites using redundant DC power feeds Legacy 1/10/40GbE access deployments
    Not Ideal For New projects requiring a currently orderable SKU Installations requiring DC power or back-to-front airflow Front-to-back airflow layouts AC-only installations Native 100GbE QSFP28 uplink requirements

    Connectivity Options

    Type Part Number Description
    Power Supplies JPSU-650W-AC-AFO 650W AC power supply with port-to-FRU/front-to-back airflow. Matching airflow modules must be used.
    Type Part Number Description
    Fan Modules QFX5110-FANAFO Front-to-back airflow fan module for QFX5110 systems.
    Type Part Number Description
    Optical Transceivers QFX-SFP-1GE-LX 1GbE SFP transceiver for supported single-mode fiber connections.
    QFX-SFP-1GE-SX 1GbE SFP transceiver for supported multimode fiber connections.
    QFX-SFP-1GE-T 1GbE copper SFP transceiver for supported access-port connections.
    QFX-SFP-10GE-USR 10GbE SFP+ transceiver for supported short-reach fiber connections.
    Type Part Number Description
    DAC Cables QFX-SFP-DAC-1M 1m 10GbE SFP+ DAC cable for supported access-port connections.
    JNP-100G-DAC-5M 5m 100GbE QSFP28 DAC cable for supported QSFP28 connections.
    Type Part Number Description
    Virtual Chassis and Switch Interconnection QSFP28 optics, DAC, or AOC The four QSFP28 ports can operate as 40GbE or 100GbE links for supported Virtual Chassis and Virtual Chassis Fabric connections.
    Type Part Number Description
    Upstream Router or Aggregation Connection 40GbE/100GbE QSFP+ or QSFP28 optics and cables Use the QSFP28 ports as uplinks toward an upstream router, spine, or aggregation switch. Verify both endpoint platforms and the selected transceiver or cable.

    Compatibility Check

    Check Item Requirement QFX5110-48S-AFO Guidance
    SFP+ Ports Ports 0–47 Support 1GbE/10GbE SFP/SFP+ transceivers, SFP+ DAC, and supported 10GbE AOC cables.
    QSFP28 Ports Ports 48–51 Support 40GbE or 100GbE operation. Supported breakout cables can provide four independent 10GbE interfaces.
    Airflow Front-to-back airflow Use AFO fan and power-supply modules. Do not mix AFI and AFO components.
    Power Matching AC power supplies Use the correct AC power supplies with the required AFO airflow direction.
    Virtual Chassis Dedicated VCP connections Use supported QSFP28 links and cables for ring topology and verify the complete platform combination.
    Lifecycle Legacy SKU Confirm remaining inventory, software support, and replacement availability before purchase.

    Quality Certifications

    • ISO 14001
    • ISO 9001
    • RoHS
    • REACH
    • CE
    • FCC
    Specification

    Juniper QFX5110-48S-AFO Specification

    Brand Juniper
    Model QFX5110-48S-AFO
    Lifecycle Status Legacy SKU; Juniper SKU transformation and lifecycle notice applies
    Product Type Fixed 1U data center access/leaf switch
    Data Ports 48 x SFP+
    SFP+ Port Speeds 1GbE / 10GbE; 100Mbps support from Junos OS 18.3R1
    Uplink Ports 4 x QSFP28
    QSFP28 Port Speeds 40GbE / 100GbE
    Breakout Capability QSFP28 ports can be configured as 4 x 10GbE using supported breakout cables
    Maximum 10GbE Port Count Up to 64 ports with breakout configuration
    Switching Capacity 1.76 Tbps bidirectional
    Forwarding Performance 1.32 Bpps
    Latency 550 ns
    Power Supply AC
    AC Power Supply Model JPSU-650W-AC-AFO
    Power Supply Quantity 2
    Power Supply Redundancy 1+1
    AC Input Voltage 90–264 VAC
    AC Input Frequency 50–60 Hz
    Airflow Front-to-back; port-to-FRU
    Fan Module QFX5110-FANAFO
    Fan Module Quantity 5
    Fan Module Serviceability Hot-removable and hot-insertable
    Form Factor 1U
    Dimensions W x H x D 17.36 x 1.72 x 20.48 in / 44.09 x 4.37 x 52.02 cm
    Chassis Weight 23 lb / 10.43 kg
    Processor 1.8 GHz quad-core Intel CPU
    DRAM 16 GB
    Internal Storage 64 GB SSD
    Buffer Capacity 16 MB
    MAC Addresses 288,000
    IPv4 Unicast Routes 128,000 prefixes; 208,000 host routes
    IPv4 Multicast Routes 104,000
    IPv6 Unicast Routes 84,000
    IPv6 Multicast Routes 52,000
    VLAN IDs 4,093
    ARP Entries 48,000
    Jumbo Frame 9,216 bytes
    Console Port 1 x RS-232 console port
    USB Port 1 x USB 2.0
    Management Ports 2 management ports: 2 x SFP fiber ports or 1 x RJ-45 and 1 x copper SFP
    Overlay Protocols VXLAN, EVPN, OVSDB
    Packaging Weight 18 kg
    Operating System Junos OS
    Still unsure about your config? Talk to an engineer →

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    Yes, router-switch.com only sells 100% genuine products from authorized brands. As a multi-brand authorized distributor, all items are sourced through official channels and include valid manufacturer warranties. Customers may verify authorization via brand websites or request certification documents.

    What power options does it support?

    The QFX5110-48S-AFO supports front-to-back AC power supplies, providing ease of airflow management in data centers.

    How does it compare to other switches?

    Compared to other switches in its class, the QFX5110-48S-AFO offers superior port density and flexibility with four QSFP28 ports.

    What accessories are available?

    Accessories for the QFX5110-48S-AFO include various SFP+ transceivers, cables, and rack-mount kits.

    Warranty
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