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Introduction

PFN-254 is 5-port 10M/100M with 4 PSE/PoE ports Desktop PoE Fast Ethernet Switch that is designed for small network environment to strengthen its network connection. It’s also specially designed for video surveillance in buses, trains, subway cars and emergency vehicles. This product is compact in size, making it ideal for every user with limited space.

IEEE 802.3af/at Power over Ethernet (PoE) ports

PFN-254 features 4-port PoE IEEE 802.3at supplying up to 30 watts per port. This product is 48V/DC power into low-voltage DC that runs over existing LAN cable to power up IEEE 802.3at compliant network accessories. It also features high power awareness to verify whether the network device receive power is IEEE 802.3at compliant, or only the data will be sent through LAN cable. By adding PFN-254 to existing networking, installing networking products such as Access Points and IP cameras can be easily managed and set up. Wireless device deployments are easily located with available power outlets and network administrators don’t need to use heavy AC power adapters anymore.

No Special Networking Cable Required

By adding PoE devices, you can use an existing standard Cat-5 Ethernet cable without a new electrical outlet for both power and data. It helps you reduce installation time and cost.

Auto-MDI/MDI-X

Every port can automatically sense your type of cable, so there is no need for crossover cables whether you are connecting this switch to another switch or to a computer.

Auto-Negotiation

Every port can automatically sense if the connected network devices are running at 10Mbps or 100Mbps and Half/Full-Duplex mode, and adjust accordingly.

Non-Blocking

This switch receives and forwards traffic seamlessly with its non-blocking wire-speed. Every port simultaneously supports up to 200Mbps of bandwidth in full-duplex mode. This feature provides full wire speed to the connected devices and allows you to run a smooth network.

Store and Forward

By this function, this switch can maximize network performance while minimizing the propagation of bad network packets.

Specifications


Standards

IEEE 802.3 af/at

IEEE 802.3 10BaseT

IEEE 802.3u 100BaseTX

IEEE 802.3x Flow Control

Features

Number of Ports: 5 10/100BaseT(X) with 4 PSE/Power over Ethernet Ports

MAC Address: 1K

Transmission Method: Store and Forward

Filtering/Forwarding Rates

100Mbps port - 148,800pps

10Mbps port - 14,880pps

Transmission Media

10BaseT Cat. 3, 4, 5 UTP/STP

100BaseTX Cat. 5 UTP/STP

Led Indicators

Per Port: Link/Act, PoE Act/Status

Per Unit: Power

Power Output

48V/DC

Power Budget

40W or 70W (Optional)

Dimensions

130*98*24 mm (W*D*H)

Weight

0.33 kg

Operating Temperature

0 to 40

Storage Temperature

-20 to 90

Humidity

10 to 90% RH (non-condensing)

Certifications

FCC Class A, CE



DATA SHEET

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