Products Description
Extreme Networks 5420F-8W-16P-4 Ethernet Switch

Technical SpecificationsModel:5420F-8W-16P-4 Brand:Extreme Networks Product Type:1RU Rack Mount Universal Enterprise Edge Switch
Port Configuration: 8 × 2.5G/5GBase-T RJ45 PoE++ ports (802.3bt, max 90W per port, MACsec capable) 16 × 10/100/1000BASE-T RJ45 PoE+ ports (802.3at, max 30W per port, MACsec capable) 4 × 1/10G SFP+ empty uplink slots, MACsec capable 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: Built-in 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: 4.4kg
System compatibility
5420F-8W-16P-4 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. Designed for high-power Wi-Fi6/Wi-Fi7 AP, PTZ IP camera and industrial PoE powered endpoints. Stackable with other 5420 series switches for large multi-gigabit PoE access network expansion.
Function
5420F-8W-16P-4 is universal multi-gigabit PoE edge switch. 8 multi-gig ports supply up to 90W PoE++ power for high performance wireless access points, while 16 gigabit PoE+ ports provide power for standard IP cameras and IP phones. 4 SFP+ slots deliver high-speed 10G fiber uplink. 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 Cat6 copper cables to PoE powered 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 speed negotiation, PoE power budget, MACsec and stacking status after commissioning.
InterfaceMulti-gig PoE++ RJ45 port, Gigabit PoE+ RJ45 port, SFP+ transceiver slot, OOB management port, RJ45 serial console, USB-A, Micro-B USB console for Extreme Networks 5420F-8W-16P-4.
FeatureOriginal Extreme 5420F-8W-16P-4 1RU universal multi-gigabit PoE access switch,8×5G PoE++ plus 16×Gig PoE+ ports,4×10G SFP+ uplink slots,support dual operating system,cloud or on-prem management,optional redundant power supply. This spare is designed for enterprise high-power Wi-Fi AP edge access network.
DiagnosticDevice undetected: Check AC power input, power cord and earthing. PoE port no power: Verify PD device compatibility, check port PoE configuration and total system PoE power budget. Multi-gig port negotiation failure: Check Cat6 cable quality and cable length, reconfigure port speed mode. SFP+ port no link: Confirm transceiver compatibility, fiber polarity and port speed setting. 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-8W-16P-4 is Extreme Networks universal wire-speed multi-gigabit PoE edge switch with 8 PoE++ multi-gig ports,16 PoE+ gigabit ports and four 10G SFP+ uplink slots,classic spare part for enterprise high-power Wi-Fi 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.