The fifth port it the "official input" but unless you are doing something unorthodox with the wiring all ethernet cables act as a bidirectional connection line to every other connected device.

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D-LinkEthernet Switch, 5 Port Gigabit Unmanaged Metal Desktop Plug and Play Compact (DGS-105),Black

D-LinkEthernet Switch, 5 Port Gigabit Unmanaged Metal Desktop Plug and Play Compact (DGS-105),Black

Q: Does this switch assign IP addresses, or is it a dumb switch? I want a dumb switch, nothing more.

You have to be careful when looking at answers and writing answers because there are several competently different network components in this listing. Some people will answer a question based on the WIFI Router even though you are asking about the switch. The seller should have different listings to stop this confusion. The item you are asking about is a dumb switch, and will not assign IP addresses.

Q: Are all ports 1G line rate ?? What is the operating temperature range ??

Temps are 30-105 degrees F. Speeds, heh, all ports are capable of 1GB+ which is really fast, it's a fat pipe few will ever fill. That assumes Cat-6 cables throughout the network, however. Also, in high-electronic noise situations, you're likely to need shielded Cat-6 cables. When I bought mine (2 DGS-108s), I bought the shielded Cat6 Ethernet cables pre-made from Amazon and got rid of all my old Cat5E cords, most of whom were twenty years old anyway. I don't use wireless, I won't have it, but with three TVs, three DVDs, two work stations and a couple of laser printers and a laptop, I needed lots of ports, I figured I'd take the two-hundred-dollar hit, replace it all and be done with it, even though the TVs, DVD players and printers will never use the speed. I do have a couple of Ethernet drives that transfer at speeds a little faster than 500MB/S with the new cables and hubs, so in that regard, I got some benefit from the faster hubs. When you're talking 1GB speeds, the limiting factor is the hardware attached to the 1GB hubs rather than the Cat6 cabling and GB hubs. Good Luck.

Q: Is the power adapter rated for 110-120v or 110-240v?

input: 110-240v 50/60 Hz 0.2A 15VAoutput: 5.0v 1A

Product ID: 1264945

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Details

Brand
D-Link
Number of Ports
5
Included Components
AC/DC Power (2
Color
Black
Compatible Devices
Desktop

⚡2 Gbps per port speed

🖤Durable metal chassis

🛠️Plug & Play, zero setup

Frequently Bought Together

D-Link Ethernet Switch, 5 Port Gigabit Unmanaged Metal Desktop Plug and Play Compact (DGS-105),Black

Cat 8 Ethernet Cable, 1.5Ft 3Ft 6Ft 10Ft 15Ft 20Ft 30Ft 40Ft 50Ft 60Ft 100Ft Heavy Duty High Speed Internet Network Cable, Professional LAN Cable Shielded in Wall, Indoor&Outdoor

Description

🚀 Elevate your network game with zero hassle and maximum speed!

BLAZING GIGABIT SPEED - Up to 2 Gbps per port for seamless multitasking and ultra-fast data flow
EFFORTLESS PLUG PLAY - Auto MDI/MDIX means zero cable confusion—just connect and go
FLEXIBLE PLACEMENT OPTIONS - Desktop or wall mount with included rubber feet and keyhole slots for ultimate convenience
WHISPER QUIET METAL DESIGN - All-steel housing dissipates heat silently, perfect for your focused workspace
SMART TRAFFIC PRIORITIZATION - 802.1p QoS ensures smooth voice, video, and gaming even on busy networks

The D-Link DGS-105 is a compact, 5-port unmanaged gigabit Ethernet switch delivering up to 2 Gbps per port with plug-and-play simplicity. Its silent metal chassis supports flexible desktop or wall mounting, while smart QoS and IGMP snooping optimize streaming and gaming traffic. Energy-efficient and surge-protected, it’s built for reliable, high-performance networking in professional and home environments.

Specifications

Data Transfer Rate	2000 Megabits Per Second
Current Rating	1 Amps
Interface	RJ45
Platform	Not Machine Specific, Android
Voltage	220 Volts
Number of Ports	5
Compatible Devices	Desktop
Switch Type	DIAC
Item Weight	0.6 Pounds
Case Material Type	Metal
Color	Black