Adding Serial Ports to a Computer with Only USB Ports by Preston Wily
So you bought a new computer but you don't have serial ports? It's surprisingly common these days - you find an awesome machine that does everything you want it to do, but then you get home and find out that amongst the lightning-fast processor and terabyte hard drive, you're missing something -... Add a true serial port with a USB adapter You can use a USB to Serial Adapter to easily and quickly add a serial port to your laptop. ... Various serial devices requiring some type of serial port Many PDA's, GPS units, routers, printers, fax machines, etc.

Cisco CCNA / CCNP Home Lab Tutorial: Routing On A Frame Relay Switch by Chris Bryant
When you're preparing for CCNA and CCNP exam success, the best investment you can make is to put together your own home lab. There is no better way to learn Cisco technologies and prepare for the CCNA, BSCI, BCMSN, CIT, and other exams than by working with the many protocols and services you'll... You could connect to up to four routers to the 2520's serial ports in order to serve as the frame relay switch for those other routers, and still assign an IP address to the ethernet port and run a routing protocol on the 2520.

Easy to Execute! by Seamus Dolly
Plug and play equipment or hardware solves the problem of driver installation, re-starting routines, and generally speaking, “hassle”, for those who are not technically proficient. If your computer supports “Plug and Play”, then, as the name suggests, you simply plug it in and play. ... Prior to “plug n play”, you would have to insert a floppy disc or cd, to supply and install the necessary software or “driver”. ... Basically, it is like an electrical adaptor which allows up to seven devices to be connected to it.

Cisco CCNA / CCNP Tutorial: Home Lab Assembly Case Study by Chris Bryant
Part of your CCNA / CCNP education is deciding what network topology to use when you're putting together your home lab. Some of you are starting with one or two routers or switches, while others are starting with more. A customer recently sent me a list of his Cisco routers and switches that he... Just get a couple of straight-through cables to connect those two routers to the ISDN simulator and that segment is ready to go. ... This has one serial port, 1 ethernet port, and one BRI interface. ... All he needs is an octal cable to connect his AS to the other devices we choose to use, and...

USB Connectors by Elizabeth Morgan
Today communication and technology have reached new heights. Various types of electrical devices can be connected to laptops, computers and mobile phones. A special port is installed in these devices from where a USB connector is attached. The other end of the port is connected to external... Among the various types of USB connectors available in the market, the most popular ones are serial to USB connectors, parallel to USB connectors, RJ11 USB connectors and USB Ethernet connectors. ... USB connectors are used to connect different types of USB cables with all standard compatible USB ports.

Hard Disks: FireWire Vs. USB by David Stone
These two technologies are competing to be the best way to connect electronics together. They both began as a connection to your PC or Mac, but they have grown to be a form of data transfer between almost any electrical data storage device. See who is the winner in one of the biggest... It took a couple of years, but consumer electronics began using Firewire to appeal to the industry that connected video and sound equipment to their Macs. ... Most devices were, at that time, connected to a computer via a serial port.

Learn About The Three Basic Types Of Computer Mouse by Bonnie Archer
1) Mechanical: This is a type of computer mouse that has a rubber or metal ball on its underside and it can roll in every direction. Sensors within the mouse, which are mechanical, detect the direction in which the ball is moving and moves the pointer on the screen in the same direction. ... Serial mouse: these ones connect directly to an RS-232C serial port or a PS/2port. ... USB mice Cordless mouse: These are not physically connected to the computer. ... PS/2 mouse: connects to a PS/2 port.

PIC Micro Hardware Programming Methods by John Main
There are three ways to program a PIC microcontroller Using normal programming hardware (high volt programming HVP). Low volt programming (LVP). Bootloading. The first two methods use the programming port of the PIC microcontroller labeled ICSP (In Circuit Serial Programming). ... Typically a serial port is used for bootloading and the PIC micro bootstrap program will wait for a set time after power up listening on the serial port for a reserved word that tells the bootstrap program to start i.e.

Cisco Certification: Building Your Home Lab, Part II by Chris Bryant
In the first part of this home lab tutorial, CCNA and CCNP candidates can see that there are a LOT of choices when it comes to what to buy to build your own Cisco practice lab. Having been there myself, I know it's confusing to decide how many routers or switches to buy, and what I need at the... (You will need one additional device to make ISDN work in your lab, and we'll talk about that later in this article.) You can practice setting IP addresses and testing IP connectivity over the Ethernet interfaces, and you can configure a point-to-point connection between the two serial interfaces.

Cisco Certification: A Survival Guide To The Cisco Cable Jungle by Chris Bryant
One of the most confusing parts of beginning your Cisco studies is keeping all the cable types separate in your mind, and then remembering what they’re used for. This often occurs when a CCNA or CCNP candidate starts putting together their own home practice lab, and they suddenly realize that... In a home lab, a straight-through cable is often used to connect a switch port to an Ethernet port on a router, with a transceiver attached to the Ethernet port. ... While the wires may be twisted inside to reduce electromagnetic interference (EMI), the wire that’s connected to Pin 1 on one end is...