An Ethernet hub is a device for connecting multiple Ethernet devices together and making them act as a single network segment

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Should I use a network hub or network switch?

I want to put a networking device on an Ethernet connection between 2 digital devices. The communication will be 1-to-1; there will only be 2 devices connected through the networking device. And I ...
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4answers
33k views

Why does the USB hub need to be connected with my PC to charge my Droid phone?

I notice that my new Motorola Droid phone charges perfectly fine when I connect it to my computer via the USB cable, or if I connect it to a car cigarette Lighter -> USB adapter, or a wall Power -> ...
10
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7answers
18k views

Can I charge USB devices from a powered hub that isn't connected to a PC?

This will probably sound familiar to most of you... In my home, we have a whole bunch of devices that can be charged via USB (two iPhones, a BlackBerry, an iPod Touch, etc ad nauseam). We also have a ...
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4answers
7k views

Where can I find an unswitched ethernet hub? [closed]

Back when I was just getting into networking, ethernet hubs were common, and switches were a fancy, expensive alternative. Then the price of switches came down so much that hubs became pretty much ...
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3answers
1k views

Can modern switches act like hubs?

I've been trying to find a hub, specifically for the packet broadcast characteristic. I'm troubleshooting a NAS behind a NAT router and want to look at the traffic arriving on the wire and this seems ...
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1answer
3k views

What is and how to increase the maximum number of usb devices?

I'm wondering what is the maximum number of USB devices the Linux kernel can manage? Does this depend on the root-Hub or something else, too? Is there a way to increase this maximum number? I need ...
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4answers
2k views

Identify the device if it is hub, switch, router or gateway

If you are given two hosts which are connected via a blackbox which you dont know. How can you recognize that blackbox as hub, switch, router or gateway without using any additional device or host? ...
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votes
7answers
77k views

How to “restart/repair” an USB port?

My laptop has two USB ports, but one is broken, so I use a USB hub in the other good USB port. In that USB hub, I use a mouse and keyboard. Suddenly, that USB port doesn't detect the mouse and the ...
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3answers
4k views

What is a router? What is a switch? and What is a hub?

I always mess up with the basic concepts in networking. This are the very basic questions. What is a router, its functions and what is meant by routing? What is a switch, its functions? Many time I ...
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3answers
2k views

Which power USB hub uses if it has external power supply as well

I have 7 port USB hub with external supply. I tried turning it off by removing external power but then it takes power from motherboard and is still working. I have many external hardrives connected ...
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2answers
1k views

In theory, how would you set up a mechanism by which repeaters/hubs could detect loops and shutdown ports to break the loop? [closed]

I am trying to think of a mechanism to use repeaters to detect loops and then shutdown ports in order to break the loops. Is it possible for any solution to work 100%?
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4answers
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How to share a printer (or any usb devices) to two or more computers?

I want to share a printer to two computers sitting next to each other. Now I plug in the USB printer cable when one wants to print. Is there a cheap and better solution which allows two computers to ...
3
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3answers
390 views

Why are USB hubs mostly 4- and 7-port

Why are USB hubs provided in 4- and 7-port varieties. What's special about these numbers? Why don't I see 3-, 5-, 6-, and 8-port hubs? Is there something special about 4- and 7-port configurations ...
3
votes
4answers
11k views

Split internal USB pinouts - is it possible?

I've currently got a situation in my PC where I have 3 devices that connect to the motherboard via the onboard USB pinouts. The problem is, I only have two sets of USB pinouts on my motherboard. ...
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votes
3answers
3k views

Is there a USB hub that can also function as a fully powered USB charger? [closed]

I have several gadgets and a nifty cord setup on my desk that ensures I don't have to connect/disconnect cables; the thing I would love to do would be to keep the gadgets connected overnight (or ...
2
votes
4answers
575 views

Connect PC and Printer to wireless network

I have a wireless router downstairs in my house, and a PC and printer upstairs. Unfortunately he PC (or printer) does not have wireless, only an Ethernet port. What would be the best product or ...
2
votes
3answers
695 views

2.0 speeds on USB hub?

How capable are USB hubs? I have an AirPort Extreme router with a printer attached (it's not powered by USB). I want to extend this and add two hard drives (one for Time Machine and the other for ...
2
votes
1answer
145 views

How to extend the number of ports on a Switch?

Consider that I need to connect 15 computers on different collision domains. I understand that each port on a switch has a separate collision domain. So, all I need to do is to connect 15 computers to ...
2
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1answer
2k views

Why can't I ping any computers on the same hub?

I'm having some interesting problems pinging machines, with the end goal to have Computer B SSH into Computer C. The specific error message I get from ping is "Destination Host Unreachable", and ssh ...
2
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1answer
1k views

The cable of my USB port hub is too short - what to do?

I just bought a new USB port hub "MSY USB 2.0 4-port hub". It has two inputs: A small USB entrance input for external power (?) The problem is that the cable that comes with the hub (small USB on ...
2
votes
1answer
326 views

Should I purchase a switch, a hub, or a router?

I have just installed a Motorola SURFboard SBG901 cable modem, and I can connect two computers I have to the Internet via Wifi. I'd like to distribute the Internet connection among some other machines ...
2
votes
1answer
1k views

MacBook Air: USB Hub Compatible with the MBA SuperDrive

A little background to those whom may think this Question too specific: The MacBook Air SuperDrive draws 1A vs 500mA of a normal USB device, and therefore you can't use a standard USB hub powered or ...
2
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1answer
165 views

Determining speed (class) of USB on PC

Is there a method for determining the speed of a USB port on a Windows XP PC, without using a USB protocol analyzer? I'm looking for something simple, such as looking at the Device Manager. I would ...
2
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0answers
229 views

USB Hub Error -62

I have a 5m usb cable which I want to connect to a usb port on a embedded device (linux debarm; kernel 2.6). The cable has one repeater so it's actually two cables with one hub between. When I plug it ...
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vote
3answers
543 views

MacBook USB-Hub

I bought an active 7-port-USB-Hub to avoid all the cable mess on my desk. The following devices are plugged in: Scanner (which is not being used, actually) Keyboard Mouse Android-Phone When I now ...
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1answer
87 views

Is there a driver for a hub?

Is there a driver for a hub/switch? So that I can control the flow of data from the other computer that currently uses bandwidth, so that I could get higher bandwidth.
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3answers
1k views

Ethernet hub - is it an active device?

When building a small home ethernet network, we normally use switch to connect all cables together. I remember 10 years ago it was also possible to buy a much cheaper device called hub which can be ...
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1answer
249 views

Why do I need a managed switch and which one should I buy?

I bought a 2nd router and I want both routers to have direct WAN access to the modem. One of the 2 routers directs VOIP traffic to a telephone line port. This VOIP service is provided by the cable ...
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vote
1answer
1k views

Accessing network hard drive via two routers and WiFi

Below is the scenario at hand. To keep things short, I'm looking for a way to access the contents of the 1TB external drive from all three laptops shown in the diagram. Basically wanted to have the ...
1
vote
1answer
753 views

Toggle-able USB hub with more than one input and output?

I recently came across this product: http://ppa-usa.com/shared-network-hub-4-port-usb.html The only problem is, this is nearly opposite of what I need. Ideally, I'm looking for a USB hub-like device ...
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vote
1answer
115 views

Windows Tablet data and power from one USB

My Windows tablet has one mini USB port which is used for charging the tablet's battery as well as for data transfer but because there is only the one USB port it won't let me do both at the same ...
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2answers
26 views

Can just modem + hub distribute internet to the computers without router?

As I asked in question header, without router can we share the internet with modem+hub or modem+switch?
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2answers
400 views

Can Current Backflow from Powered Hub's Adapter & cause PC Damage?

Getting this short: Can current flow from a powered USB hub's power adapter (lying 10 Meter away) back to computer via usb port and cause damage to Computer components like mobo, etc? What should be ...
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2answers
446 views

Power a USB HUB via USB Male to Male cable by borrowing power from other USB port?

Is it possible to power a USB Hub by plugging into one of the ports in the hub a USB Male to male cable, and the end plugged in another USB port of PC? Will the hub draw power this way?
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0answers
377 views

USB hub assigning random com ports when Windows 7 PC or USB Hub are rebooted

I have four hardware devices that are plugged in through a self powered USB hub. Currently the devices are assigned COM1 COM2 COM3 COM4 through device manager as hoped. However, when rebooting the ...
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1answer
174 views

wireless usb hub with the hub on the computer side - does this exist?

I'm looking for what is effectively a wireless usb hub, but where the "hubbing" part takes place on the computer-side. In other words, something like this: http://www.iogear.com/product/GUWH104KIT/ ...
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2answers
2k views

Can USB Hubs affect peripheral performance?

Like many laptops, mine has 2 USB 2.0 ports. I'm looking to purchase a USB hub for my peripheral devices. I'm also planning on purchasing a laptop cooler with two USB powered fans, which connects to a ...
0
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2answers
138 views

Will connecting two hubs with two cables help for performance?

I have two 1 GBit hubs and I wondering if connecting them with two network cables help for network performance? Here is example: I have switch A and B. I have 4 computers, A1 and A2 which are ...
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2answers
1k views

Connect computers in a network, via hub or through another computer?

I'm using an internet hub to connect broadband and computers. When setting up a home network (for some simple file sharing), I can choose "this computer connect to internet through another computer" ...
0
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2answers
716 views

Why would a hub work when a switch doesn't?

We recently had a very strange problem. Two users share a 1gbps switch, and their network connection has been getting worse and worse (it does not disconnect, but has gotten REALLY slow, down to ...
0
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1answer
3k views

Can't a USB hub power keyboard and mouse at same time?

I'm trying to use a Dell mouse and keyboard via a single USB port using the USB splitter hub, but the devices seem to misbehave. Just one of the devices work when I connect both. I figured out it's a ...
0
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3answers
601 views

Small home network cabling/routing/switching advice

Coming into my home, have a modem connected to an allegedly 20mb broadband connection. The modem has a single ethernet output. At present, I have it wired into a WRT54G 1.1 10/100 router with 4 ports ...
0
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1answer
124 views

If repeaters/hubs are connected into a loop, rather than bridges, what happens when somebody transmits?

On a network, repeaters(hubs) are connected into a loop, instead of using bridges. What happens when a transmission is made?
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2answers
527 views

Is it safe to use a 10-Port USB Hub in a laptop?

I got lots of USB stuffs connected to my laptop, like: Keyboard Mouse Laptop Cooler Phones I used 4-port USB hub before, but I don't know if 10-port is safe. Example of a 10-port USB Hub: ...
0
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2answers
930 views

USB-to-Parallel adapter rated as USB 1.1 - will its driver lower speed of USB 2.0 bus?

I need to connect a printer with a parallel port to a computer with only a USB 2.0 bus. I'd like to do so without lowering the USB 2.0 bus speed to USB 1.1. All the USB-to-Parallel adapter cable ...
0
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1answer
36 views

Make CISCO RVS4000 into hub mode

I am trying to do packet analysis with a RVS4000 Cisco device that has four computers connected. The device is not broadcasting packets to the other devices connected to the device. For my lab, I ...
0
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2answers
112 views

Usb hub is not able to extinguish peripherals

I have a problem. Few days ago I have bought new active hub (LogiLink UA0096). Hub recognizes devices rightly and I can use them. Unfortunately, Hub is not able to eject them properly. After the ...
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1answer
104 views

Why do hubs and switches receive on pins 1 and 2 and transmit data through pins 3 and 6 of their cable?

Is there any reason they couldn't have been made to use the same pins as NICs and routers for transmitting and receiving? I had trouble finding any information about this through Google, so I hope you ...
0
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1answer
107 views

Central hub for Computer/TV/Video Game systems/etc?

I have the following devices: TV (Inputs: HDMI + DVI) Xbox 360 (Outputs: HDMI Audio/Video) Desktop PC (Outputs: HDMI + DVI Video; 1/8" mini cable out Audio) Two LCD PC monitors (Outputs: DVI Video) ...
0
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1answer
177 views

External hard drive not playing nice with usb hub

I have just purchased a new USB hub and am having issues getting it to work with my external hard drive. When I first plugged in the external hard drive, I received an error message stating it needed ...