Description
Extreme X440-24X-10G | 24 SFP + 10GbE Uplink L2+ Managed Switch Specs
Dynamic Product Introduction
Loss of optical fiber aggregation or edge switch routing across an industrial automation network disrupts communication between SCADA servers, main PLCs, and remote field I/O racks. The Extreme Networks X440-24X-10G (P/N: 16511) serves as a high-density Gigabit fiber edge switch engineered for demanding automation and enterprise topologies. Powered by ExtremeXOS (EXOS), it manages complex VLAN routing, Ethernet Automatic Protection Switching (EAPS), and role-based policy enforcement, offering 24 SFP optical ports alongside 10GbE uplink options for high-bandwidth backhaul.
When an operational switch suffers optical port driver failure, power supply board degradation, or packet drops under heavy network traffic, sourcing an exact drop-in Extreme X440-24X-10G replacement unit restores network integrity without delay. Installing a fully bench-tested replacement allows network engineers to rack-mount the unit directly into existing 19-inch enclosures, instantly restoring established ring topologies without modifying field fiber runs or altering cabinet layouts. Swapping in a fresh switch restores sub-50ms ring protection recovery, full wire-speed packet forwarding, and dependable network connectivity across your infrastructure.
X440-24X-10G
Key Technical Specifications
- Model Designation: X440-24X-10G
- OEM Part Number: 16511
- Manufacturer: Extreme Networks
- System Series: Summit X440 Series
- Operating System: ExtremeXOS (EXOS)
- Port Configuration: 24 x 100/1000BASE-X SFP ports, 2 x 10GbE SFP+ / SummitStack-V60 uplink option slots
- Auxiliary Interfaces: 1 x 10/100/1000BASE-T Out-of-Band Management port, 1 x Serial Console port (RJ45)
- Switching Fabric Performance: 88 Gbps switching bandwidth, 65.5 Mpps forwarding rate
- Stacking Capabilities: SummitStack / SummitStack-V60 stacking options
- Power Requirements: Internal 100–240 VAC power supply (with external EPS-C / RPS connector port)
- Operating Temperature Range: 0°C to 50°C (32°F to 122°F)
- Storage Temperature Range: -40°C to 70°C (-40°F to 158°F)
Global Sourcing & Live-Test SOP (Transparency Core)
Procuring secondary-market managed networking hardware like the Extreme Networks X440-24X-10G requires strict bench diagnostic screening to verify optical port link integrity, switching fabric health, and ExtremeXOS flash memory retention. Every incoming switch passes through an intensive five-stage quality assurance protocol:
- Inbound Verification: Part numbers (16511), serial tags, MAC address plates, and chassis physical conditions are verified against original manufacturing databases. Technicians conduct visual inspections under magnification to check SFP slot cages, fan assemblies, and power connectors.
- Live Simulation: The X440-24X-10G is installed in an active network diagnostic rack and powered using a regulated AC line supply.
- Diagnostics: Technicians load factory default EXOS software images via the console port. Optical link tests are conducted across all 24 SFP ports and 10GbE uplink slots using calibrated SFP/SFP+ transceivers and loopback fiber jumpers. Full line-rate traffic generation tests measure packet loss, latency, and VLAN tag processing. The unit then undergoes a 24-hour burn-in period inside a thermal chamber under continuous traffic load to rule out ASIC thermal lockups.
- Final Prep: Flash memory is cleared back to clean factory default configurations, console settings are reset, connector dust caps are installed over all SFP ports, and the switch is sealed inside static-shielding ESD packaging before freight transit.
The Field Engineer’s Pitfall Guide
- ❗ Confusing First-Gen X440 (X440-24X-10G) with X440-G2 Series: —though port layouts appear similar, the original X440-24X-10G and X440-G2 series use different architecture builds and EXOS firmware images. Replacing an X440 with a G2 unit without adjusting software image files or stacking configurations will cause boot errors and stacking mismatches.
- ❗ 10GbE Uplink Port Speed Configuration in EXOS: Inserting a 1GbE SFP transceiver into a 10GbE SFP+ uplink slot without explicitly setting the port speed to 1G in EXOS will result in a link-down state.
- ❗ Operating with Mismatched Stacking Firmware: Attempting to add an X440-24X-10G switch to an active SummitStack cluster running a different EXOS firmware version will prevent stacking synchronization, keeping the new node in a disabled state.
Intent-Driven FAQ
Will swapping out an X440-24X-10G require uploading an EXOS configuration file?
Yes. Replacement switches arrive cleared to factory baseline settings. You must upload your saved EXOS configuration file (.cfg) via TFTP/SFTP or console interface, or allow the network’s DHCP auto-provisioning server to push parameters upon initial boot.
What optical transceivers are supported on the 24 SFP ports of the X440-24X-10G?
The 24 SFP ports support standard 100BASE-FX and 1000BASE-X SFP transceivers, including SX, LX, EX, ZX, and BiDi optical modules, as well as 1000BASE-T copper SFP modules.
Can the X440-24X-10G be stacked with other Summit series switches?
Yes. Using SummitStack or SummitStack-V60 stacking modes, the X440-24X-10G can be stacked with compatible Extreme Summit switches (such as X460 or X480 series running matching EXOS firmware versions).
What indicates a fan assembly or thermal warning on the X440 faceplate?
An amber or yellow status LED on the front faceplate (labeled “SYS” or “FAN”) indicates an internal cooling fan fault or an internal temperature threshold breach detected by EXOS system diagnostics.
What warranty coverage comes with pre-inspected replacement switches?
All verified Extreme Networks X440-24X-10G switches come backed by a comprehensive 1-year replacement warranty. If the unit experiences switching fabric failure, optical port signal loss, or power supply breakdown under standard operating conditions within 12 months, it is swapped directly from available warehouse inventory stock.
