Extreme Networks AL4900A03-E6 ERS 4950GTS Gigabit Stackable Ethernet Routing Switch

Technical Specifications

Model：AL4900A03-E6 (ERS4950GTS) Brand：Extreme Networks Product Type: 1U rack mount Layer2/L3 stackable enterprise non-PoE routing switch (ERS4900 series, power cord excluded)

Front Ports:

• 48 × 10/100/1000BASE-T RJ45 auto-sensing copper ports, non-PoE

• 2 × 1G/10G SFP+ high-speed uplink slots for fiber or DAC cable

• RJ45 serial console port

• USB port for firmware upgrade

• LED indicators for port link, activity, power and fault alarm

Rear Panel Interfaces:

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

• Dual hot-swappable AC PSU slots, support redundant power configuration

• Hot-swappable fan tray

• Equipment grounding terminal

Switching & Layer Features: Switch Fabric: 104 Gbps full duplex Forwarding Rate: 77 Mpps MAC Address Table: 32K entries Max Jumbo Frame: 9216 bytes VLAN: Up to 1024 port-based VLAN, 802.1Q tagged VLAN Routing: IPv4 / IPv6 static & dynamic routing Security: 802.1X, ACL, storm control, MAC filtering QoS: Hardware L2-L4 classification, 8 priority queues Stacking: Stack support, multiple switches combined as one logical unit OS: ERS operating system

Power & Mechanical: Power Supply: Dual hot-swappable 250W AC power modules (power cord not included for this SKU) Cooling: Hot-swappable fan tray Operating temperature：0℃ ~ +50℃ Dimension: 442mm × 44mm × 380mm Weight: Approx 7.3 kg Mounting: Standard 19-inch 1U rack bracket

System compatibility

AL4900A03-E6 belongs to Extreme ERS4900 stackable switch family. Compatible with Extreme certified SFP / SFP+ transceivers and DAC/AOC cables. Supports stacking with other ERS4900 series switches. Designed for enterprise wiring closet, campus building copper access aggregation. Widely used for data, voice network upgrade and spare replacement.

Function

AL4900A03-E6 is 1U stackable gigabit routing switch manufactured by Extreme Networks. It provides 48 gigabit copper ports for workstation and terminal network access. Two 10G SFP+ uplink ports deliver high-speed fiber connection to aggregation or core network. Stacking function simplifies centralized management for multi-switch deployment. Advanced Layer3 routing, access control list and QoS guarantee stable voice and data traffic. Hot-swappable power and fan support online maintenance to reduce network downtime. This SKU is supplied without AC power cord. Widely deployed for enterprise campus, office and commercial building access network spare replacement.

Installation

Follow ESD protection procedure. Mount switch to standard 19-inch rack. Install hot-swappable AC PSU and fan tray. Insert SFP/SFP+ transceivers or DAC cables. Use Cat5e/Cat6 copper cables for terminals. Access serial console port for initial configuration, set VLAN, stacking and QoS policy. Verify port link status after power-up.

Interface

48×1G RJ45 ports,2×10G SFP+ uplink ports,USB port,RJ45 console port,OOB management port,dual hot-swap PSU slots,hot-swap fan tray,status LED indicators for Extreme Networks AL4900A03-E6.

Feature

Original Extreme Networks AL4900A03-E6 ERS4950GTS non-PoE access switch,1U,48×1G copper +2×10G SFP+ uplink,stacking supported,hot swappable redundant power and fan,power cord not included. This spare unit is used for enterprise wiring closet and campus copper access network maintenance and hardware replacement.

Diagnostic

Switch boot failure: Check AC power input and PSU installation. Copper port link down: Verify Cat5e/Cat6 cable quality, cable length and RJ45 termination. SFP+ port link down: Check transceiver compatibility, optical power and fiber connector cleanliness. Stack split fault: Confirm stacking cable and match firmware version. Temperature alarm: Inspect fan tray running status and rack air circulation.

Product BriefAL4900A03-E6 is Extreme Networks ERS4900 series 1U stackable 48-port gigabit non-PoE switch with dual 10G SFP+ uplink ports, power cord excluded,classic spare for enterprise wiring closet campus access network.

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 replacement.