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Frequently Asked Questions

Can I run voice and data (ethernet) in the same cable?

soho cabling faq
This is done by some, and usually with success. But the correct answer, is no, you should not do this. It opens your network up to interference and performance problems (when your phone rings the line is carrying a 90V ac signal. ) as well, it may limit the future flexibility of your network. You also run the slight risk that a 40-100VDC telephone signal might get inadvertantly connected to your netowrk card.
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Can I get a longer Ethernet cable?

ResNet Frequently Asked Questions
No, neither ResNet nor Campus Life provide cables longer than 25 feet in length, nor do we supply couplers to join two cables together to create a longer cable run. There are two main reasons for this. First, this is a safety issue. Exposed cabling greater than 25 feet in length is considered a hazard and a safety risk and is not supplied for this reason.
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Can I get a shorter Ethernet cable?

ResNet Frequently Asked Questions
No. Beginning as of August 2005, ResNet cables will provided as part of the room inventory, rather than being distributed individually each year. As a result of provisioning and tracking cables as part of room inventory, shorter cables will no longer be provided.
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Can I use my own Ethernet cable?

ResNet Frequently Asked Questions
You may try your own Ethernet cable, but most of the buildings serviced by ResNet are networked using a Cornell-specific wiring standard. This wiring standard is incompatible with many Ethernet cables. If you are using your own Ethernet cable and have any problems, the first thing you must do is stop using your own cable and try the one provided in your room.
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What is Ethernet cable?

HOW TO USE RESNET: FREQUENTLY ASKED QUESTIONS
Ethernet, also called CAT-5, RJ-45, or 10-Base T, is the type of cable used to connect computers to the Georgetown network. Ethernet looks like a phone cable but with larger connectors at each end and a fatter cable. You cannot use telephone cable to connect to the Georgetown network.
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Can I run CAT-5e ethernet cable outside?

FAQs: CAT-5, CAT-5e, CAT-6, CAT-7 Patch Cables, difference b...
CAT-5e cable is not rated for outdoor use, however it can generally be used without a problem. If possible, run the cable through some kind of conduit to prevent moisture or an attractive site for lightning to strike. You should be able to find gray PVC conduit suitable for cable at any hardware store. Remember, 100 Meters is your max distance, without some kind of hub, bridge or amplification.
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What kind of ethernet cable do I need? How long can it be?

Slim Devices : Product Info : FAQ
Since Squeezebox's ethernet interface is 10/100 ethernet, you can use CAT3, CAT5, CAT5e, or CAT6 ethernet cable. If you are connecting directly to a computer you will need a crossover cable, otherwise a regular straight cable will work just fine. (Note: Some Macintosh computers will work with either a regular or crossover cable.) The maximum length for 10base-T and 100base-T cables is 100 meters or about 328 feet, assuming that the appropriate type of wire is used and it is laid correctly.
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Where can I get a blue Ethernet cable?

School of Physics - Frequently Asked Questions
Contact the Electronics Workshop (x2754), who will either have a spare cable available, or can organise one to be made up for you. If you want to purchase one for your own use, these cables are readily available at most electronics retail outlets. They're called "Cat 5" (Category 5), UTP (Unshielded Twisted Pair) Ethernet cables, with RJ-45 type connectors at each end (these connectors are similar to, but larger than, the modern phone connectors).
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Is an ethernet cable included with the laptop?

Student-Owned Computing: Laptop Purchasing FAQ for Fall 2006
No, an ethernet cable does not come with the computers. These can be purchased at most major electronics stores as well as the NCSU Bookstore. Based on student input, we recommend getting an ethernet cable of about 25 feet in length. This allows for greater flexibility when arranging dorm rooms.
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Do you provide an ethernet cable?

Student Network FAQs - Denison University
Yes, we do provide each student with a 14-ft ethernet cable and they are available at the Help Desk in Fellows Lobby. If the cable is too short, return it to the Help Desk. Multiple or longer cables are available for purchase from the bookstore or local stores like Walmart, Best Buy or Staples.
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What if my Ethernet cable cannot reach the jack?

NYU > ITS > Help & Support > FAQs & Tutoria...
Extra long cables can be purchased at computer or office supply stores such as the NYU Computer Store.
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Where can I purchase Ethernet cable?

HOW TO USE RESNET: FREQUENTLY ASKED QUESTIONS
You can purchase CAT-5 10-Base-T Ethernet cable from the Georgetown University Bookstore or any computer/office supply store. During New Student Orientation, vendors will have Ethernet cable for sale at UIS technology events.
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How do I make a straight Ethernet cable?

web_faq
A straight cable is most often used to connect an Ethernet interface to an Ethernet hub or switch. Shielded CAT-5 cable (STP) must be used, the connectors are RJ45.
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How do I make a crossed Ethernet cable?

web_faq
A crossed Ethernet cable can be used to connect a GTH directly to a server's Ethernet port, without using a hub or switch. This is sometimes also called a crossover cable. Shielded CAT-5 cable must be used, the connectors are RJ45.
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How do I determine if the Ethernet cable is correct?

Cisco - Cisco ATA 186 FAQ and Common Issues
The Ethernet cable has eight wires, and you can see the color code through the transparent RJ-45 connector. Only wire 1,2,3 and 6 are used. In a straight through Ethernet cable wires 1,2,3 and 6 have the same color at both ends. However, in a crossover Ethernet cable, wires 1 and 2 terminate at position 3 and 6, and wire 3 and 6 terminate at positions 1 and 2, respectively.
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What is the difference between the Ethernet cable and a telephone cable?

Excell Media / Customer Care / FAQs
The Ethernet cable and a standard telephone cable do look alike but are very different. The Ethernet cable is know as a "category 5 cable" or "cat 5" for short. The ends of a cat 5 cable are also wider than a telephone cable because this type of cables have more pins in the ends. Because of these design difference a telephone cable and a Ethernet cable are not interchangeable.
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Can a T1 Be Used for both Voice and Data Communications?

T1 FAQ - Frequently asked Questions about T1 Voice and Data ...
Answer - With a piece of equipment called a multiplexer (which is similar to a channel bank), the T-1 can be distributed into data circuits and voice channels. For example, a T-1 could be used to carry 12 telephone lines plus two data circuits at 386K baud. This would be an example of an integrated T1 circuit.
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What is a 'Cable Run'?

Drop Amp & Frequently Asked Questions
The 'run' describes the wire that goes from the cable entry point to the cable wall jack in a room in your home. Generally, a run that is greater than 100 feet is referred to as a 'long run' and can be a cause of signal deterioration. Please note that any cable run will cause deterioration. It just becomes more noticeable on a longer run.
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Is my data secure with a Motorola SURFboard cable modem?

SURFboard® General Frequently Asked Questions
Motorola SURFboard cable modems use some of the latest data encryption technology to help minimize security risks for your data. However, a little extra caution never hurts. We recommend you turn off your file- and print-sharing options when you're not using them and carefully review any other security precautions your service provider might recommend. Also, the Motorola SURFboard cable modem provides a top-mounted standby button for enhanced security.
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Do I need to buy a network (Ethernet) cable?

Sheridan Mobile Computing
If you choose to direct purchase through Sheridan you will need to purchase a network (Ethernet) cable when you purchase your laptop.
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Can I use a standard Ethernet cable (10BASE-T)?

Knürr AG - Service&Capabilities - FAQ - KVM
No. Standard Ethernet cables do not have the necessary bandwidth properties for transmitting high-grade video over long distances. Because the actual usage purpose of UTP cables is to transfer digital data, the cable specifications are optimised for this use.
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Who is currently using voice verification as a means to secure confidential data?

MEK Software Technologies - Learning Center - Frequently Ask...
MEK currently has applications deployed all over the world. Wireless and telecom companies are using voice verification to secure long distance lines. Fortune 500 companies have chosen voice to secure automated password reset. Government agencies are using voice to aid in PKI deployment and administration, and to protect their vital and sensitive information and resources. Financial institutions are using MEK's voice biometrics applications for a multitude of unique custom projects.
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How long can the Ethernet cable between the Cable Modem and the NIC Card on the computer be?

CableLynx
cablelynx provides a 30 inch cable with the Cable Modem. Longer lengths can be purchased from your local computer retailer, or your cable company. cablelynx has been tested with Ethernet cable lengths of 50 feet betwen the cable modem and the computer.
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Will Interspect Voice run on a PDA?

Frequently Asked Questions
No. The benefit on Interspect Voice is that you don't need to use a handheld device. This frees up your hands to work with the tools of your trade instead of holding the device and a stylus.
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Will Interspect Voice run on a Macintosh?

Frequently Asked Questions
No. Interspect Voice is written to run on a Intel platform running Windows XP natively. Microsoft does not fully support Windows XP on MacPro running a parallel desktop or boot camp.
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How does the Ethernet Alliance help to provide a cohesive industry voice?

Ethernet Alliance: FAQs
By providing clear explanations of Ethernet projects, developing broad participation amongst member companies, coordinating efforts among Ethernet technologies, and positioning Ethernet's co-existence with complimentary technologies.
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Do I have to sign up for both Voice and Data?

T Mobile Sony Ericsson GC89 - Cell Phone - Questions & Answe...
This offer is based on data activation only. It is your choice if you would like to add a voice plan at a later date.
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What's Data-Over-Voice (DOV)?

Internet access FAQ - elirion.net
Some telephone companies charge a per-minute rate for ISDN data calls, but nothing beyond toll charges for voice calls. Data-Over-Voice lets you make an ISDN voice call, but pack the channel with data. You get exactly 56 kBPS data rate. Your router/modem or NTU must support DOV. Check with your ISDN provider to see what rates apply to DOV calls.
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How much voice and data can I put on it? Any limits?

The only limit is the size of the WAN.   The underlying data network will need to be appropriately dimensioned to carry both voice and data traffic. Each voice call equates to about 24Kbps of bandwidth on MPLS, and 40.2Kbps on ATM, including WAN overheads.
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Why should I incorporate both my voice and data?

The arrival of VoIP will create the opportunity for new applications and new ways of working that will affect all key areas of an organisation's activity. Infrastructure and maintenance savings. The advantage of incorporating both voice and data is that it saves the customer money in that s/he only has one communications network to monitor and maintain.
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