ImenAndishan Zennde Rood
Switch UMD-S21822P300

Switch UMD-S21822P300

Product Specifications

Fixed Ports

14*10/100M PoE ports;

2*10/100/1000M PoE ports;

2*Gigabit SFP ports

PoE standards


Max Output Power(single port)


Total Power Consumption


PoE Pin-out

1/2(+),3/6(-);Customized 4/5(+),7/8(-)

Switching Capacity


Forwarding Mode

Full wire-speed storage and forwarding

Forwarding Rate




Operation Temperature


Storage Temperature


Operation Humidity


Storage Humidity




Input Power Supply

AC:90-264V ~ 50-60Hz/300W



LED Indicator

Power,Link/Act,PoE Status

Energy Saving

Comply with “EEE” Energy Efficient Ethernet

Service Characteristics

Standards and Protocols

IEEE 802.3af,Power Over Ethernet

IEEE 802.3at,Power Over Ethernet Plus

IEEE 802.3u,100BASE-TX

IEEE 802.3ab,1000 BASE-T

IEEE 802.3z,1000 BASE-X

IEEE 802.3ad,Static or Dynamic Link Aggregation

IEEE 802.3x,Full-Duplex Flow Control

IEEE 802.3az,EEE(Energy Efficient Ethernet)

IEEE 802.1q,VLAN

IEEE 802.1p,QoS/CoS

IEEE 802.1d,STP(Spanning Tree Protocol)

IEEE 802.1w,Rapid Spanning Tree Protocol

MAC Address Table

Up to 16K MAC addresses

Support auto-update, two-way learning


Support up to 4096 VLANs

Port-based VLANs

VLANs based on IEEE 802.1q

Spanning Tree

Support Spanning Tree Protocol

Support Rapid Spanning Tree Protocol(RSTP)

Link Aggregation

Support 8 aggregation groups,

and a maximum of 4 ports in each aggregation group

Port Mirroring

Support bi-direction port mirroring

Ring Protection

Support Ring Protection, provide real-time detecting, quick alarm,

precise localization, smart blocking and auto-recovery

Port Isolation

Isolation between downlink ports without influence

the communication between downlink and uplink ports

Port Flow Control

Back-pressure traffic control under Half-Duplex mode

IEEE 802.3x traffic control under Full-Duplex mode

Port Rate Restriction

Port-based ingress or egress rate limiting

Jumbo Frame

Maximum supports 9216Byte

Storm Suppression

Support the suppression of broadcast storm based on forwarding rate


Port-base MAC address binding

Security restriction on port-based MAC address quantity


SP(Strict Priority)

WFQ (Weighted Fair Queuing)

WRR (Weighted Round Robin)

802.1p(Port Queuing Priority)

Differentiated Service Code Point(DSCP Priority)

PoE ouput priority Management


Physic Medium

10/100Base-TX:UTP category 3/4/5 cables( Maximum 100m)

1000Base-T:UTP Category 5 cable( Maximum 100m)

1000Base-SX:fiber with 850nm wavelength,

supports a max transmission distance of 550m

1000Base-LX:fiber with 1310nm / 1550nm wavelength,

supports a max transmission distance of 80km

Network Cable Deployment

Support Auto-MDIX function, automatically identify straight forward cable

and cross-over cable

Negotiation Pattern

Support port auto-negotiation function

( automatically negotiate transmission rate and Duplex modes)

PHY Detection

Detect the connectivity of network cables


Uploading or downloading of the configuration data

Uploading of upgrade patch

Support system logs

WEB-based reset to factory defaults


Support WEB-based management