Technical Specifications

Port Standards
802.3 10Base-T Ethernet
802.3u 100Base-TX Ethernet
802.3ab 10000Base-T Ethernet
802.3x Full-Duplex Flow Control

Network Ports
8 10/100/1000 Mbps Ports

Performance
Switching Capacity: 20 Gbps
Forwarding Mode: Store-and-Forward
SDRAM: 256 MB
Flash Memory: 32 MB
Packet Buffer Memory: 512 KB
Address Database Size: 8,000 MAC Addresses

PoE Capability
PoE Standard: Ports 1~8 Support IEEE 802.3af
PoE Capable Ports: All Gigabit Ethernet Ports/Up to 15 W

PoE Budget
55 W

Power Source
AC Input: 100 ~ 240VAC, 50-60Hz, 1.2A
DC Output: 54V/1.67A

Physical Interface

LED Indicators
Reset Button
Desktop/Wall Mount

LED Indicators
Device:
Power LED
Fault LED
PoE Max LED
LAN Mode LED
PoE Mode LED

Ports
Link/Activity/Speed (per Ethernet port)
Link/Activity/Speed (per SFP slot)

Software Features

Layer 2 Features

802.3ad Link Aggregation
– Maximum of 8 Groups/8 Ports per Group

Port Mirroring
– One-to-One
– Many-to-One

Spanning Tree Protocol
– 802.1D Spanning Tree Protocol (STP)
– 802.1w Rapid Spanning Tree Protocol (RSTP)
– 802.1s Multiple Spanning Tree Protocol (MSTP)

MAC Address Table
– 8K Entries

Static MAC Address
– 256 Entries

802.1ab Link Layer Discovery Protocol

IGMP Snooping
– IGMP v1/v2/v3 Snooping
– Supports 4094 IGMP Groups
– IGMP per VLAN
– IGMP Snooping Query
– IGMP Snooping Fast Leave

MLD Snooping
– MDL Snooping v1/v2
– Supports 4,094 MLD Groups
– IGMP per VLAN

Jumbo Frame
– Up to 9,216 bytes

802.3x Flow Control

802.3az Energy Efficient Ethernet

VLAN
802.1Q Support

VLAN Group
– Max 4,094 Static VLAN Groups

Voice VLAN

QoS
802.1p Quality of Service
– 8 Queues per Port

Queue Handling
– Strict
– Weighted Round Robin (WRR)

QoS Based on:
– 802.1p Priority
– DSCP

Bandwidth Control
– Port-Based (Ingress/Egress, 64 Kbps~1000 Mbps)

Broadcast/Unknown Multicast/Unknown Unicast Storm Control
Access Control List (ACL)
Layer 2/3
– Supports Maximum 50 Entries (ACL)
– Supports Maximum 256 Entries (ACE)

ACL Based on:
– MAC Address
– VLAN ID
– 802.1p Priority
– Ethertype
– IP Address
– Protocol Type
– DSCP

Security
802.1X
– Guest VLAN
– Port-Based Access Control

Supports RADIUS Authentication

Port Security
– Up to 256 MAC Addresses per Port

Port Isolation

DoS Attack Prevention

BPDU Attack Prevention

Monitoring
Port Statistics
System Log
RMON

Management
Web Graphical User Interface (GUI)
Command Line Interface (CLI)
BootP/DHCP Client/DHCPv6 Client
SSH Server
Telnet Server
TFTP Client
HTTPS

SNMP
– Supports v1/v2c/v3
SNMP Trap
SNTP
Configuration Restore/Backup
Dual Images

Diagnostic
Cable Diagnostic
Ping Test
Trace Route

MIB/RFC Standards
RFC1213
RFC1493
RFC1757
RFC2674
RFC 2863

Management Features

AP Supported (up to 50 APs in controller mode)
Access Point Auto Discovery & Provisioning
Access Point Auto IP-Assignment
Access Point Cluster Management
Remote Access Point Rebooting
Access Point Device Name Editing
Access Point Radio Settings
Band Steering
Traffic Shaping
Fast Handover
Fast Roaming
Access Point Client Limiting
Client Fingerprinting
Wireless Security (WEP, WPA/WPA2 Enterprise, WPA/WPA2 PSK)
AP VLAN Management
VLANs for Access Point- Multiple SSIDs
Secured Guest Network
Capture Portal
Access Point Status Monitoring
Rogue AP Detection
Email Alert
Wireless Client Monitoring
Background Scanning
Wireless Traffic & Usage Statistics
Real-Time Throughput Monitoring
Visual Topology View
Floor Plan View
Wireless Coverage Display
Map View
Secure Control Messaging
SSL Certificate
Local MAC Address Database
Remote MAC Address Database (RADIUS)
Unified Configuration Import / Export
Intelligent Diagnostics
Bulk Firmware Upgrade Capability
One-Click Update
Kick/Ban Clients

Environmental & Physical

Temperature Range
Operating: 32 to 122° F/0 to 50° C
Storage: -4 to 158° F/-20 to 70 ° C

Humidity (Non-Condensing)
5% – 95%

Package Contents
(1) EWS2908P Switch
(1) Power Cord
(1) RJ45 Console Cable
(1) Rack Mount Kit
(1) Quick Installation Guide

Device Dimensions & Weights

EWS2908P Device
Weight: 1.36 Ibs (0.62 kg)
Width: 9.44” (240 mm)
Length: 4.13” (105 mm)
Height: 1.06” (27 mm)

Warranty
1 Year