DH-S4220-16GT-240

Mã sản phẩm: DH-S4220-16GT-240

_ 20-Port Managed Desktop Gigabit Switch with 16-Port PoE
_ Đáp ứng tiêu chuẩn IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3ab, IEEE 802.3z, IEEE 802.3ad.
_ Hỗ trợ tính năng PoE Watchdog, truyền khoảng cách xa (lên đến 250m).
_ Hỗ trợ quản lý qua: Web.
_ Cổng giao tiếp:
+ Port 1-16: 16 × RJ45 10/100/1000 Mbps(PoE).
+ Port 17-18: 2 × RJ45 10/100/1000 Mbps.
+ Port 19-20: 2 × SFP 1000 Mbps.
_ Công suất PoE: Port 1-2 ≤ 90 W, Port 3-16 ≤ 30 W, total ≤ 240 W.
_ Nguồn: 100-240 VAC, max 3.5 A.
_ Chống sét: 4KV.
_ Kích thước (mm): 440 mm × 300 mm × 44 mm.
_ Khối lượng: 3.405kg.

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_ 20-Port Managed Desktop Gigabit Switch with 16-Port PoE
_ Đáp ứng tiêu chuẩn IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3ab, IEEE 802.3z, IEEE 802.3ad.
_ Hỗ trợ tính năng PoE Watchdog, truyền khoảng cách xa (lên đến 250m).
_ Hỗ trợ quản lý qua: Web.
_ Cổng giao tiếp:
+ Port 1-16: 16 × RJ45 10/100/1000 Mbps(PoE).
+ Port 17-18: 2 × RJ45 10/100/1000 Mbps.
+ Port 19-20: 2 × SFP 1000 Mbps.
_ Công suất PoE: Port 1-2 ≤ 90 W, Port 3-16 ≤ 30 W, total ≤ 240 W.
_ Giao thức PoE: IEEE802.3af (PoE); IEEE802.3at (PoE+); Hi-PoE; IEEE802.3bt (PoE++).
_ Khả năng chuyển đổi: 56 Gbps.
_ Bộ nhớ lưu trữ MAC: 8K.
_ Nguồn: 100-240 VAC, max 3.5 A.
_ Chống sét: 4KV.
_ Kích thước (mm): 440 mm × 300 mm × 44 mm.
_ Khối lượng: 3.405kg.

Hardware

Included Power Adapter

Yes

PoE

Yes

Ethernet Port

Optical Port

Ethernet Port Speed

10/100/1000 Mbps

Optical Port Speed

1000 Mbps

Description of Function Slots

Port 1-16: 16 × RJ45 10/100/1000 Mbps(PoE)
Port 17-18: 2 × RJ45 10/100/1000 Mbps
Port 19-20: 2 × SFP 1000 Mbps

Debugging

Console × 1

Reset Button

Power Supply

100-240 VAC, 50/60 Hz, 3.5 A

Operating Temperature

–10°C to 55°C (+14°F to +131°F)

Operating Humidity

5%–95% (RH)

Power Consumption

Idling load: ≤ 20 W;
Full load: 240 W

Performance

Management Type

Yes

MTBF

467125.73 hours

Switching Capacity

56 Gbps

Packet Forwarding Rate

29.76 Mpps

Packet Buffer Size

4.1 Mbit

Jumbo Frame

10K Byte

MAC Table Size

VLAN Number

VLAN Interface

Dynamic ARP

512

Communication Standard

IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3ab, IEEE 802.3z, IEEE 802.3ad

Feature

PoE Protocol

IEEE802.3af (PoE); IEEE802.3at (PoE+); Hi-PoE; IEEE802.3bt (PoE++)

PoE Power

Port 1-2: ≤ 90 W

Port 3-16: ≤ 30 W

Total: ≤ 240 W

PoE Power Consumption Management

Yes

PoE Pin Assignment

1,2,4,5 (V+),3,6,7,8 (V-)

Long Distance PoE Transmission

Yes

Spanning Tree Protocol

STP; RSTP

VLAN Function

Yes

Link Aggregation

Static link aggregation; LACP

IEEE 802.3x Flow Control

IEEE 802.3X-based flow control (full-duplex)

Multicast

IGMP Snooping

DHCP Function

DHCP client
DHCP-Server
DHCP-Snooping

Security

IEEE 802.1x
ACL

Equipment Management

WEB(http and https)
SNMP V1/V2C/V3

General

Statics Protection

Air discharge: 8 kV;
Contact discharge: 6 kV

Lighting Protection

Common mode: 4 kV;
Differential mode: 2 kV

Net Weight

3.405 kg (7.51 lb)

Gross Weight

4.51 kg (9.94 lb)

Product Dimensions

440 mm × 300 mm × 44 mm (17.32" × 11.81" × 1.73")

Packaging Dimensions

525 mm × 410 mm × 110 mm (20.67" × 16.14" × 4.33")

Certifications

CE, FCC

Transmission Performance:
Switch power supply voltage 53V. CAT5E/CAT6. Max. DC resistance < 10Ω/100m
Cable(m)	Load Capacity(W)	Bandwidth(Mbps)
IEEE802.3bt 90W
100	71.3	1000
150	62	10
200	51	10
250	40	10
Hi-PoE 60W
100	53	1000
150	50	10
200	47	10
250	37	10
IEEE802.3at 30W
100	25.5	1000
150	25.5	10
200	25.5	10
250	25.5	10
Note: Data from this table was collected by Dahua test lab and is for reference only. The actual transmission distance may vary due to power consumption of connected devices or the cable type and status.