Extreme Networks 5420M-48W-4YE Universal PoE Access Switch

Technical SpecificationsModel:5420M-48W-4YE Brand: Extreme Networks Product Type: Enterprise Stackable Universal Gigabit PoE Access Switch Ports:

• 48 × 10/100/1000BASE-T RJ45, 802.3bt Type4 PoE (90W per port), MACsec capable

• 4 × SFP28 1/10/25G uplink ports, MACsec capable

• 2 × SFP-DD universal ports for stacking or additional Ethernet Management ports:

• 1 × RJ45 serial console port

• 1 × 10/100/1000M OOB out-of-band management port

• 1 × USB Micro-B console port

• 2 × USB-A ports for file storage Redundancy: Hot-swappable dual PSU slots, field replaceable fan module Operating system: Universal hardware, supports Switch Engine / Fabric Engine Management: ExtremeCloud IQ, Site Engine, Platform ONE Operating temperature:0℃ ~ +50℃ Storage temperature:-40℃ ~ +70℃ Relative humidity:10%~90%, non-condensing Power supply: Dual modular PSU slot, compatible with 1200W / 2000W PoE power supply Weight:4.6 kg

System compatibility5420M-48W-4YE belongs to Extreme Networks 5420M universal edge switch series. It can be stacked with other 5420 series switches. Compatible with Extreme wireless APs including WS-AP3825i, IP cameras and digital signage powered by 802.3bt PoE. Supports cloud and local on-premises management. Widely used for campus, office and wiring closet access layer, available as network spare replacement.

Function5420M-48W-4YE is high-power enterprise access layer PoE switch. It delivers gigabit wired access and up to 90W PoE power for high-power wireless APs, PTZ cameras and digital signage. It supports L2 switching, static routing, ACL, QoS, MACsec link encryption and high-speed stacking. It monitors port status, PoE power budget, internal temperature, fan and power supply status. It triggers alarms for port down, PoE overload, fan failure and over-temperature. Used to replace faulty high-power PoE access switches for enterprise wiring closet overhaul.

InstallationPower off before installation. Mount the switch on 19-inch rack. Install modular power supply and fan module. Connect AC power cord. Connect RJ45 cables to PoE endpoints. Insert SFP28/SFP-DD transceivers for uplink or stacking if needed. Connect console cable for initial configuration. Verify boot, PoE allocation and port online status before putting into production.

Interface48×90W PoE RJ45 ports,4×SFP28 slots,2×SFP-DD slots, RJ45 serial console, OOB management port, USB Micro-B, 2×USB-A, status LEDs, rack mounting ears for Extreme Networks 5420M-48W-4YE.

FeatureOriginal Extreme Networks 5420M high-power PoE switch, universal dual-OS hardware, 802.3bt 90W PoE, 25G SFP28 uplink, SFP-DD stacking, MACsec encryption, hot-swappable PSU and fan, cloud management, built-in self-diagnostic function. This spare supports enterprise high-power edge access deployment.

DiagnosticSwitch fails to boot: check modular PSU installation and AC power. No PoE output: verify PoE power budget and port PoE enable configuration. Port link down: check cable, transceiver and port admin status. Stacking failure: confirm SFP-DD stacking cables, firmware version match and stacking configuration. Over-temperature alarm: inspect fan module installation and chassis airflow.

Product Brief5420M-48W-4YE is Extreme Networks 48-port gigabit 802.3bt 90W PoE stackable access switch with 4×25G SFP28 uplink ports and 2×SFP-DD stacking ports, supporting MACsec encryption and hot-swappable power/fan, classic spare part for enterprise high-power wiring closet network overhaul.

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.