Accessing UNT Host Computers From Home

By Darren Loher, Data Communications Analyst (darren@unt.edu)

This article first appeared in the September/October 1993 issue of Benchmarks (Vol. 14, No. 5, pg. 6).

Did you know that computers at UNT like the VAX, Sol, Jove, Ponder and the Library card catalog system can be used from home? You can.

There are a couple of things you need to have at your home. A computer, a modem, and some software that will let your computer talk to your modem.

Modems

This is the device that lets you connect your computer to a telephone line. There are many brands of modems and lots of different models. The most important feature to understand about a modem is its speed.

The slowest modem you should consider buying today runs at 2400bps (bits per second). This means the modem can transfer approximately 240 characters per second. That's certainly faster than most people can read text, but when transferring files, scrolling text or using graphics over the phone line, it's slow. The trade-off is price. 2400bps modems are very affordable and can be purchased for as little as $50.

The fastest modems you can buy at retail stores run at 14,400bps. Their prices can range from $175 to $300 depending on where you go and what brand you buy.

At this time, the UNT dialups do not support anything over 2400bps unless you have a US Robotics HST type modem, in which case you can achieve 9600bps. However, all high speed modems are capable of running at the slower 2400bps speed. So when UNT does upgrade its dialups, you can take advantage of the higher speeds if you buy the faster modem now.

Sixteen 14,400bps modems are now in service and can be reached at 565-3989. Although any modem can connect to these modems, please use the 565-3300 dialups if you own a 2400bps modem.

Software

The Computing Center has a license to distribute Procomm Plus for DOS free of charge. If you have a Macintosh, you can get MAC-Kermit for free from the Computing Center. Just go to the ISB building (room 119) to get the software. (You'll need your UNT ID.)

O.K., What Next?

At the front of this newsletter is a table that gives the phone numbers and services available for those numbers.

I'm in; how do I get to a host?

Once you've gotten your modem to dial one of the UNT numbers, you should get some sort of connect message. Press "b" several times until you see a # sign. You may now type the host name of the machine you wish to connect to or choose a host from a menu. (A table listing the telephone numbers and the major hosts you may connect to is located on the inside page of this newsletter.)

The only exception to this is if you call the 3461 lines. They are connected to an older system that will be phased out within a year. You can only reach sytek hosts from this system and must type the word CALL before the number of the system you want to connect to.


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