Products Description
Extreme Networks 5420F-48T-4XE Ethernet Switch

Technical SpecificationsModel:5420F-48T-4XE Brand:Extreme Networks Product Type:1RU Rack Mount Universal Enterprise Edge Switch
Port Configuration: 48 × 10/100/1000BASE-T RJ45 ports,autosensing full/half duplex,MACsec enabled,non-PoE 4 × 1/10G SFP+ empty uplink slots,MACsec capable 2 × SFP-DD universal stacking ports (unpopulated) 1 × 10/100/1000BASE-T out-of-band management port 1 × RJ45 serial console port 2 × USB-A port for firmware/configuration storage 1 × Micro-B USB console port
Switch Performance: Switching bandwidth 240Gbps, forwarding rate 178.5Mpps, non-blocking wire-speed architecture Software: Dual operating system support, Switch Engine / Fabric Engine. Managed via ExtremeCloud IQ or on-prem Site Engine Stacking: Up to 8 units stacking within 5420 series, stacking bandwidth up to 80G; cross-series stacking not supported Power supply: Fixed primary AC PSU, optional secondary field-replaceable PSU slot, input 100-240Vac, 47~63Hz Operating temperature:0℃ ~ +50℃ Dimension: 44mm(H) ×440mm(W) ×350mm(D) Weight: 4.2kg
System compatibility
5420F-48T-4XE belongs to Extreme 5420F universal edge switch family. SFP+ slots are compatible with Extreme 1G /10G optical transceivers including SR, LR, BiDi modules. Supports cloud zero-touch provisioning or local CLI management. Suitable for enterprise campus, large office wiring closet, server room high-density wired access deployment. Stackable with other 5420 series switches to expand large access network.
Function
5420F-48T-4XE is universal high-density non-PoE gigabit edge switch. The 48 RJ45 ports provide wired access for PC, printer, server and network terminals. 4 SFP+ slots offer high-speed 10G fiber uplink. Two SFP-DD ports deliver high bandwidth stacking. Built-in MACsec for link-layer encryption. Supports static routing, VLAN, QoS, port security, storm control, ACL and network monitoring. Flexible OS selection adapts to traditional switched network or fabric architecture.
Installation
Mount the switch to standard 19-inch 1RU equipment rack. Connect protective earthing and AC power cord. Connect RJ45 cables to end network devices. Insert SFP/SFP+ transceiver into SFP+ slot and connect fiber cable. Boot and select Switch Engine or Fabric Engine OS. Configure via console or ExtremeCloud IQ. Verify port negotiation, MACsec and stacking status after commissioning.
InterfaceGigabit RJ45 port, SFP+ transceiver slot, SFP-DD stacking port, OOB management port, RJ45 serial console, USB-A, Micro-B USB console for Extreme Networks 5420F-48T-4XE.
FeatureOriginal Extreme 5420F-48T-4XE 1RU high-density universal non-PoE gigabit access switch,48×Gigabit MACsec RJ45 ports plus 4×10G SFP+ uplink and 2×SFP-DD stacking ports,support dual operating system,cloud or on-prem management,optional redundant power supply. This spare is designed for enterprise large wiring closet non-PoE wired access network.
DiagnosticDevice undetected: Check AC power input, power cord and earthing. RJ45 port no link: Verify copper cable quality, check auto-negotiation configuration. SFP+ port no link: Confirm transceiver compatibility, fiber polarity and port speed setting. Stacking failure: Ensure Switch Engine OS is active, inspect SFP-DD stacking cable and port assignment. MACsec link down: Check matching MACsec encryption key on both ends of link. Over-temperature alarm: Inspect fan operation and rack air circulation.
Product Brief5420F-48T-4XE is Extreme Networks universal wire-speed non-PoE gigabit edge switch with 48 MACsec-capable RJ45 ports, four 10G SFP+ uplink ports and dual SFP-DD stacking ports,classic spare part for enterprise high-density wiring closet wired access network replacement.

DisclaimerAll parameters are for reference only and shall not be used as the basis for quotation. Goods are scarce, overseas delivery lead time is 3-7 working days. It is only used for equipment maintenance and renovation.