24个千兆802.3at PoE交换机（24个千兆电口，4个TP/SFP复用端口，2个10G SFP+插槽）

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SGS-5220-24P2X

24个千兆802.3at PoE交换机（24个千兆电口，4个TP/SFP复用端口，2个10G SFP+插槽）

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High-density, Resilient Deployment Switch Solution for Gigabit Networking of Enterprise, Campus and Data Center
For the growing Gigabit network and IoT (Internet of Things) demand, PLANET has launched a new-generation Stackable Gigabit Switch solution, the SGS-5220 switch series, to meet the needs of enterprises, telecoms and campuses for a large-scale network deployment. The SGS-5220-24P2X is Layer 2+ Stackable Managed Gigabit Switch, which supports both IPv4 and IPv6 protocols and hardware Layer 3 static routing capability, and provides 24 10/100/1000Mbps 802.3at PoE+ ports, 4 shared Gigabit SFP slots, 2 10G SFP+ uplink slots and another 2 dedicated 10G SFP+ stacked interfaces for stacking with the series of switches. Up to 16 units, 384 Gigabit Ethernet PoE+ ports and 32 10Gbps SFP+ slots can be managed by a stacking group and you can add ports and functionality as needed.

Efficient Single IP Management
The SGS-5220 stackable series applies the advantage of the stacking technology to managing the stack group with one single IP address, which helps network managers to easily manage a stack of switches instead of connecting and setting each unit one by one. The stacking technology also enables the chassis-based switches to be integrated into the SGS-5220 Stackable Managed Switch series at an inexpensive cost.

Highly-reliable Stacking Ability
Through its up to 40Gbps, bi-directional high bandwidth tunnel and stacking technology, the SGS-5220-24P2X gives the enterprises, service providers and telecoms flexible control over port density, uplinks and switch stack performance. The stack redundancy of the SGS-5220-24P2X ensures that data integrity is retained even if one switch in the stack fails. You can even hot-swap switches without disrupting the network, which greatly simplifies the tasks of upgrading the LAN for catering to increasing bandwidth demands.

Centralized Power Management for Gigabit Ethernet PoE Networking
To fulfill the needs of higher power required PoE network applications with Gigabit speed transmission, the SGS-5220-24P2X features high-performance Gigabit IEEE 802.3af PoE (up to 15.4 watts) and IEEE 802.3at PoE+ (up to 30 watts) on all ports. It perfectly meets the power requirement of PoE VoIP phone and all kinds of PoE IP cameras such as IR, PTZ, speed dome cameras or even box type IP cameras with built-in fan and heater for high power consumption.

The SGS-5220-24P2X�s PoE capabilities also help to reduce deployment costs for network devices as a result of freeing from restrictions of power outlet locations. Power and data switching are integrated into one unit, delivered over a single cable and managed centrally. It thus eliminates cost for additional AC wiring and reduces installation time.

Built-in Unique PoE Functions for Surveillance Management
As a managed PoE Switch for surveillance network, the SGS-5220-24P2X features intelligent PoE Management functions:
? PD ALIVE Check
? Scheduled Power Recycling
? SMTP/SNMP Trap Event Alert
? PoE Schedule

Intelligent Powered Device Alive Check
The SGS-5220-24P2X can be configured to monitor connected PD (Powered Device) status in real-time via ping action. Once the PD stops working and it is without response, the SGS-5220-24P2X will resume the PoE port power and bring the PD back to work. It will greatly enhance the network reliability through the PoE port resetting the PD�s power source, thus reducing administrator management burden.

Scheduled Power Recycling
The SGS-5220-24P2X allows each of the connected PDs (Powered Devices) to reboot in a specific time each week. Therefore, it will reduce the chance of PD (Powered Device) crash resulting from buffer overflow.

SMTP/SNMP Trap Event Alert
Though most NVR or camera management software offers SMTP email alert function, the SGS-5220-24P2X further provides event alert function to help to diagnose the abnormal device owing to whether or not there is a break of the network connection, loss of PoE power or the rebooting response by the PD Alive Check process.

PoE Schedule for Energy Saving
Besides being used for IP surveillance, the SGS-5220-24P2X is certainly applicable to construct any PoE network including VoIP and wireless LAN. Under the trend of energy saving worldwide and contributing to the environmental protection on the Earth, the SGS-5220-24P2X can effectively control the power supply besides its capability of giving high watts power. The �PoE schedule� function helps you to enable or disable PoE power feeding for each PoE port during specified time intervals and it is a powerful function to help SMB or Enterprise save energy and money.

Cost-effective 10Gbps Uplink Capacity
10G Ethernet is a big leap in the evolution of Ethernet. The two 10G SFP+ slots of the SGS-5220-24P2X support Dual-speed, 10GBASE-SR/LR or 1000BASE-SX/LX, meaning the administrator now can flexibly choose the suitable SFP/SFP+ transceiver according to the transmission distance or the transmission speed required to extend the network efficiently. They greatly support SMB network to achieve 10Gbps high performance in a cost-effective way because 10GbE interface usually could be available in Layer 3 Switch but Layer 3 Switch could be too expensive to SMBs.

Solution for IPv6 Networking
With the support for IPv6 / IPv4 protocol, and easy and friendly management interfaces, the SGS-5220 series is the best choice for IP surveillance, VoIP and wireless service providers to connect with the IPv6 network. It also helps the SMB to step in the IPv6 era with the lowest investment but not necessary to replace the network facilities while the ISP constructs the IPv6 FTTx edge network.

IPv4 and IPv6 VLAN Routing for Secure and Flexible Management
To help customers stay on top of their businesses, the SGS-5220 switch series not only provides ultra high transmission performance and excellent layer 2 technologies, but also offers IPv4/IPv6 VLAN routing feature which allows to crossover different VLANs and different IP addresses for the purpose of having a highly secured, flexible management and simpler networking application.

Robust Layer2 Features
The SGS-5220 series can be programmed for advanced switch management function, such as dynamic port link aggregation, Q-in-Q VLAN, Multiple Spanning Tree Protocol(MSTP), Layer 2/4 QoS, bandwidth control and IGMP/MLD snooping. The SGS-5220 series allows the operation of a high-speed trunk combining multiple ports. Supporting 14 trunk groups, it enables a maximum of up to 8 ports per trunk and supports connection fail-over as well.

Powerful Security
The SGS-5220 series offers comprehensive layer2 to layer4 access control list (ACL) for enforcing security to the edge. It can be used to restrict network access by denying packets based on source and destination IP address, TCP/UDP port number or defined typical network applications. Its protection mechanism also comprises 802.1x Port-based and MAC-based user and device authentication. With the private VLAN function, communication between edge ports can be prevented to ensure user privacy.

Enhanced Security and Traffic Control
The SGS-5220 series also provides DHCP Snooping, IP Source Guard and Dynamic ARP Inspection functions to prevent IP snooping from attack and discard ARP packets with invalid MAC address. The network administrator can now construct highly secured corporate networks with considerably less time and effort than before.

User-friendly Secure Management
For efficient management, the SGS-5220 managed switch series is equipped with console, web and SNMP management interfaces. With the built-in web-based management interface, the SGS-5220 series offers an easy-to-use, platform independent management and configuration facility. The SGS-5220 series supports SNMP and it can be managed via any management software based on the standard SNMP v1 and v2 protocols. For reducing product learning time, the SGS-5220 series offers Cisco-like command via Telnet or console port and customer doesn�t need to learn new command from these switches. Moreover, the SGS-5220 series offers remote secure management by supporting SSH, SSL and SNMPv3 connection which can encrypt the packet content at each session.

Flexible and Extendable Solution
The 4 mini-GBIC SFP slots built in the SGS-5220-24P2X support dual speed as it features 100BASE-FX and 1000BASE-SX/LX SFP (Small Form-factor Pluggable) fiber-optic modules. Now the administrator can flexibly choose the suitable SFP transceiver according to not only the transmission distance, but also the transmission speed required. The distance can be extended from 550 meters to 2km (multi-mode fiber) and up to 10/20/30/40/50/70/120 kilometers (single-mode fiber or WDM fiber). They are well suited for applications within the enterprise data centers and distributions.

Intelligent SFP Diagnosis Mechanism
The SGS-5220-24P2X supports SFP-DDM (Digital Diagnostic Monitor) function that greatly helps network administrator to easily monitor real-time parameters of the SFP and SFP+ transceivers, such as optical output power, optical input power, temperature, laser bias current, and transceiver supply voltage.

Physical Port

24-Port 10/100/1000BASE-T RJ45 copper with IEEE 802.3at / 802.3af Power over Ethernet Injector function
4 100/1000BASE-X mini-GBIC/SFP slots, shared with Port-21 to Port-24 compatible with 100BASE-FX SFP
2 10GBASE-SR/LR SFP+ slots, compatible with 1000BASE-SX/LX/BX SFP
2 10GBASE-SR/LR SFP+ stackable slots
RJ45 console interface for basic management and setup

Stacking Features

Physical stacking up to 16 units, 384 Gigabit ports, 32 10 Gigabit ports
Single IP address stack management
Stacking architecture supports Chain and Ring mode
Plug and Play connectivity
Mirror across stack
Link Aggregation groups spanning multiple switches in a stack
Physical MAC address learning with MAC table synchronization across stack

Power over Ethernet

Complies with IEEE 802.3at High Power over Ethernet end-span PSE
Complies with IEEE 802.3af Power over Ethernet end-span PSE
Up to 24 ports of IEEE 802.3af / 802.3at devices powered
Supports PoE Power up to 30.8 watts for each PoE port
Auto detects powered device (PD)
Circuit protection prevents power interference between ports
Remote power feeding up to 100 meters
PoE Management

- Total PoE power budget control

- Per port PoE function enable/disable

- PoE Port Power feeding priority

- Per PoE port power limitation

- PD classification detection

- PD alive-check

- PoE schedule

- PD power recycling schedule

Layer 2 Features

Prevents packet loss with back pressure (half-duplex) and IEEE 802.3x pause frame flow control (full-duplex)
High performance of Store-and-Forward architecture and runt/CRC filtering eliminates erroneous packets to optimize the network bandwidth
Storm Control support

- Broadcast / Multicast / Unknown unicast

Supports VLAN

- IEEE 802.1Q tagged VLAN

- Up to 255 VLANs groups, out of 4094 VLAN IDs

- Supports provider bridging (VLAN Q-in-Q, IEEE 802.1ad)

- Private VLAN Edge (PVE)

- Protocol-based VLAN

- MAC-based VLAN

- Voice VLAN

Supports Spanning Tree Protocol

- STP, IEEE 802.1D Spanning Tree Protocol

- RSTP, IEEE 802.1w Rapid Spanning Tree Protocol

- MSTP, IEEE 802.1s Multiple Spanning Tree Protocol, spanning tree by VLAN

- BPDU Guard

Supports Link Aggregation

- 802.3ad Link Aggregation Control Protocol (LACP)

- Cisco ether-channel (static trunk)

- Maximum 14 trunk groups, up to 8 ports per trunk group

- Up to 40Gbps bandwidth (full duplex mode)

Provides port mirror (many-to-1)
Port mirroring to monitor the incoming or outgoing traffic on a particular port
Loop protection to avoid broadcast loops

Layer 3 IP Routing Features

Supports maximum 128 static routes and route summarization

Quality of Service

Ingress Shaper and Egress Rate Limit per port bandwidth control
8 priority queues on all switch ports
Traffic classification

- IEEE 802.1p CoS

- TOS / DSCP / IP Precedence of IPv4/IPv6 packets

- IP TCP/UDP port number

- Typical network application

Strict priority and Weighted Round Robin (WRR) CoS policies
Supports QoS and In/Out bandwidth control on each port
Traffic-policing policies on the switch port
DSCP remarking

Multicast

Supports IGMP Snooping v1, v2 and v3
Supports MLD Snooping v1 and v2
Querier mode support
IGMP Snooping port filtering
MLD Snooping port filtering
Multicast VLAN Registration (MVR) support

Security

Authentication

- IEEE 802.1x Port-based / MAC-based network access authentication

- Built-in RADIUS client to co-operate with the RADIUS servers

- TACACS+ login users access authentication

- RADIUS / TACACS+ users access authentication

Access Control List

- IP-based Access Control List (ACL)

- MAC-based Access Control List

Source MAC / IP address binding
DHCP Snooping to filter un-trusted DHCP messages
Dynamic ARP Inspection discards ARP packets with invalid MAC address to IP address binding
IP Source Guard prevents IP spoofing attacks
Auto DoS rule to defend DoS attack
IP address access management to prevent unauthorized intruder

Management

IPv4 and IPv6 dual stack management
Switch Management Interfaces

- Console / Telnet Command Line Interface

- Web switch management

- SNMP v1, v2c, and v3 switch management

- SSH / SSL secure access

IPv6 IP Address / NTP / DNS management
Built-in Trivial File Transfer Protocol (TFTP) client
BOOTP and DHCP for IP address assignment
System Maintenance

- Firmware upload/download via HTTP / TFTP

- Reset button for system reboot or reset to factory default

- Dual Images

DHCP Relay
DHCP Option82
User Privilege levels control
NTP (Network Time Protocol)
Link Layer Discovery Protocol (LLDP) and LLDP-MED
Network Diagnostic

- ICMPv6 / ICMPv4 Remote Ping

- Cable Diagnostic technology provides the mechanism to detect and report potential cabling issues

SMTP / Syslog remote alarm
Four RMON groups (history, statistics, alarms and events)
SNMP trap for interface Link Up and Link Down notification
System Log
PLANET Smart Discovery Utility for deploy management

硬件规格
电口	24个千兆电口，自适应MDI/MDI-X
电口/SFP 复用接口	4个千兆TP/SFP 复用端口，共享21-24号端口
10Gbps 光纤上行链路端口	2个10G SFP+ 插槽
10Gbps 光纤堆叠端口	2个10G SFP+ 堆叠端口
Console端口	1个 RJ45 串口 (115200, 8, N, 1)
交换方式	存储转发
背板带宽	128Gbps / 无阻塞
吞吐量	95.2Mpps@64Bytes
地址表	16K 地址表, 自动学习与老化机制
共享数据缓冲区	4 megabits
流量控制	支持IEEE 802.3x 全双工和半双工模式
巨型帧	9K bytes
复位键	< 5 秒: 系统重启 > 5 秒: 恢复出厂设置
LED指示灯	System: PWR (Green), Master (Green), PWR1 (Green), PWR2 (Green), FAN1 (Green), FAN2 (Green) 10/100/1000T RJ45 Interfaces (Port 1 to Port 24): 10/100/1000Mbps LNK/ACT (Green) PoE In-Use (Orange) 100/1000Mbps SFP Combo Interfaces (Port 21 to Port 24): 1000Mbps (Green), LNK/ACT (Orange) 1/10Gbps SFP+ Interfaces (Port 25 to Port 26): 10Gbps LNK/ACT (Green), 1Gbps LNK/ACT (Orange) 10G Stackable Interfaces (Port 27 to Port 28): Stack (Green), LNK/ACT (Orange)
电源要求	100~240V AC, 50/60Hz
功率消耗（满载）	502 watts / 1712.8 BTU Max.
ESD 保护	6KV DC
尺寸 (W x D x H)	440 x 300 x 44.5 mm, 1U 高度
重量	4887g
堆叠功能
堆叠端口	2个SFP+ 插槽
堆叠数	16台
堆叠带宽	40Gbps 全双工
堆叠ID显示	7段LED显示 (1~9, A~F, 0)
堆叠拓扑	Ring / Chain / Back-to-Back
以太网供电
PoE 标准	IEEE 802.3af / 802.3at PoE / PSE
供电电源类型	End-span
PoE功率输出	每个端口56V DC, 最大输出30.8瓦
电源引脚分配	1/2(+), 3/6(-)
PoE总功率预算	440 watts (max.) @ 25 °C 380 watts (max.) @ 50 °C
供电能力	PD @ 7 watts：24个 PD @ 15.4 watts：24个 PD @ 30.8 watts：14个
2层管理功能
基本管理界面	Console, 远程登录, Web 管理, SNMP v1, v2c
安全管理界面	SSH, SSL, SNMP v3
端口配置	端口禁用/启用自动协商10/100/1000Mbps的全双工和半双工模式选择流量控制禁用/启用
端口状态	显示每个端口的速度双工模式，链路状态，流量控制状态，自动协商状态，Trunk状态
端口镜像	TX / RX / 两者 Many-to-1
VLAN	802.1Q tagged VLAN，支持255个VLAN组 Q-in-Q 专用VLAN边缘（PVE）基于MAC地址VLAN 基于协议VLAN 语音VLAN MVR（组播VLAN注册）支持255个VLAN组，达到4094个VLAN ID
链路聚合	IEEE 802.3ad LACP 和静态trunk 支持14组 trunk，每组8个端口
QoS	每个端口8个输出队列基于端口、802.1p、802.1Q、DSCP/TOS的优先级
IGMP Snooping	IGMP (v1/v2/v3) Snooping, 支持255个组播组支持IGMP 查询模式
MLD Snooping	MLD (v1/v2) Snooping, 支持255个组播组支持MLD 查询模式
访问控制列表	基于IP ACL / MAC ACL，256条
背板带宽	每端口带宽控制进：500KB〜80Mbps 出：64Kb〜80Mbps
SNMP MIBs	RFC 1213 MIB-II RFC 2863 IF-MIB RFC 1493 Bridge MIB RFC 1643 Ethernet MIB RFC 2863 Interface MIB RFC 2665 Ether-Like MIB RFC 2737 Entity MIB RFC 2819 RMON MIB (Group 1, 2, 3 and 9) RFC 2618 RADIUS Client MIB RFC 3411 SNMP-Frameworks-MIB IEEE 802.1X PAE LLDP MAU-MIB Power over Ethernet MIB
3层功能
VLAN 接口	支持128个VLAN 接口
路由表	支持32个路由条目
路由协议	支持IPv4、IPv6 硬件静态路由
标准
认证标准	FCC Part 15 Class A, CE
遵循国际标准	IEEE 802.3 10BASE-T IEEE 802.3u 100BASE-TX/100BASE-FX IEEE 802.3z 1000BASE-SX/LX IEEE 802.3ab 1000BASE-T IEEE 802.3x flow control and back pressure IEEE 802.3ad port trunk with LACP IEEE 802.1D Spanning Tree Protocol IEEE 802.1w Rapid Spanning Tree Protocol IEEE 802.1s Multiple Spanning Tree Protocol IEEE 802.1p Class of Service IEEE 802.1Q VLAN tagging IEEE 802.1x Port Authentication Network Control IEEE 802.1ab LLDP IEEE 802.3af Power over Ethernet IEEE 802.3at Power over Ethernet Plus RFC 768 UDP RFC 793 TFTP RFC 791 IP RFC 792 ICMP RFC 2068 HTTP RFC 1112 IGMP version 1 RFC 2236 IGMP version 2 RFC 3376 IGMP version 3 RFC 2710 MLD version 1 FRC 3810 MLD version 2
环境
工作环境	温度: 0 ~ 50 °C 相对湿度: 5 ~ 95% (无冷凝)
储存环境	温度: -10 ~ 70 °C 相对湿度: 5 ~ 95% (无冷凝)

订购信息
SGS-5220-24P2X	24个千兆802.3at PoE交换机（24个千兆电口，4个TP/SFP复用端口，2个10G SFP+插槽）

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