SN-NSW28P24B

Ports

24 × 10/100/1000Base-T PoE Ports (Data/Power)
4 × 1/10G SFP+ Uplink Ports (Data)

Console Port

1 × RS232 Console Port (115200, N, 8, 1)

LED Indicators

PWR (Yellow), SYS (Yellow), Link/Act (Yellow), SFP L/A (Green), PoE (Green)

Switching Capacity

128 Gbps (Non-blocking)

Packet Forwarding Rate

95.23 Mpps @64 bytes

MAC Address Table

16K

Packet Buffer

12 Mbit

Jumbo Frame

12 KB

Ethernet Standards

IEEE 802.3 10BASE-T
IEEE 802.3i 10BASE-T
IEEE 802.3u 100BASE-TX
IEEE 802.3ab 1000BASE-T
IEEE 802.3z 1000BASE-X
IEEE 802.3ae 10GBASE-LR/SR
IEEE 802.3x Flow Control

Ethernet Characteristics

Ports 1–24 support 10/100/1000Base-T auto-sensing, full/half duplex and MDI/MDI-X auto-adaptation

Transmission

10BASE-T: Cat3/4/5 UTP (≤100 m)
100BASE-TX: Cat5 or later UTP (≤100 m)
1000BASE-T: Cat5e or later UTP (≤100 m)

Optical Interface

1/10G SFP+ Fiber Optical Interface

Optical Module

Optical modules not included by default
Optional: Single-mode / Multi-mode, Single-fiber / Dual-fiber optical modules, LC connector

Optical Distance

Multi-mode: 850 nm / 0–500 m; up to 300 m at 10G
Single-mode: 1310 nm / 0–40 km; 1550 nm / 0–120 km

Optical Port Expansion

Supports 2.5G optical module expansion and ring networking

PoE Standard

IEEE 802.3af/at

PoE Ports

Ports 1–248 support PoE power supply

Max. PoE Power per Port

30 W

Total PoE Power

400 W

PoE Pin Assignment

1/2(+), 3/6(-)

PoE Management

PoE status display, per-port PoE On/Off, IEEE 802.3af/at power allocation

Network Capability

L2+ Managed Switch

VLAN

IEEE 802.1Q Port-based VLAN (4K)
MAC-based VLAN, Protocol-based VLAN
Access / Trunk / Hybrid
GVRP, Voice VLAN, QinQ

Spanning Tree

STP (IEEE 802.1D), RSTP (IEEE 802.1w), MSTP (IEEE 802.1s)
BPDU Guard, BPDU Filtering, BPDU Forwarding

Link Aggregation

LACP Dynamic Aggregation, Static Aggregation
Up to 14 aggregation groups, up to 8 ports per group

Multicast

IGMP Snooping v1/v2/v3, up to 1024 multicast groups
MLD Snooping, Multicast VLAN, Fast Leave, MVR

QoS

DiffServ QoS, 8 output queues per port
802.1p/DSCP Priority Mapping
SP / WRR / SP+WRR Scheduling
Priority Mark/Remark
Flow-based Rate Limiting, Packet Filtering and Redirection

Port Mirroring / Isolation

Bidirectional traffic mirroring; 1-to-multiple mirroring, up to 4 port sessions; Port Isolation

Loop / Storm Control

Port-based Broadcast Storm Suppression

LLDP

Supported

Static Routing

IPv4/IPv6 Static Routing, up to 128 entries; Dual-stack Management

ARP

ARP Protocol, up to 1024 entries

DHCP

DHCP Server, DHCP Client, DHCP Snooping

Management Interface

Console / AUX Modem / Telnet / SSH 2.0 / CLI
Web Management

Web Management

HTTPS Supported

Port Management

PoE status display
Per-port PoE On/Off
IEEE 802.3af/at power allocation

SNMP

SNMP v1/v2/v3; NMS Cluster Management via LLDP + SNMP

User Authentication

IEEE 802.1X Port-based Authentication; AAA/RADIUS; hierarchical user management and password protection

ACL

L2–L4 Packet Filtering based on MAC, IP, Protocol, TCP/UDP Port and VLAN
Supports port-based and VLAN-based ACL

Port Security

MAC Address Learning Limit
MAC Address Blackhole
Port Isolation

DHCP / ARP Security

DHCP Snooping
ARP Intrusion Detection, ARP Packet Rate Limiting
IP Source Address Protection

Network Attack Protection

Anti-DoS Attack Protection

System Management

NTP, System Log, Configuration/Data Backup
One-click Recovery
FTP / TFTP / Xmodem / SFTP File Management

Diagnostics

Ping Test, Cable Status Check
CPU Real-time Utilization, SFP DDMI

Power Supply

Built-in Power Supply, AC 100–240 V, 50/60 Hz, 5 A

Power Consumption

Idle <30 W, Full Load <4000 W

Operating Temperature

-20 °C to +55 °C (-4 °F to +131 °F)

Storage Temperature

-40 °C to +75 °C (-40 °F to +167 °F)

Humidity

Operating: 5%–90% RH (Non-condensing)
Storage: 5%–95% RH (Non-condensing)

Dimensions

440 × 290 × 44.5 mm (W × L × H)

Net Weight

4.4 kg (9.70 lb)

Gross Weight

4.8 kg (10.58 lb)

Protection

4 kV 8/20 μs Surge Protection; IP30

Compliance

CCC; CE Mark; CE/LVD EN62368-1; FCC Part 15 Class B; RoHS