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3350 Disks Now Available
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University To Install A Campus Data Communications
Herman Collins, Dave Elbon, Wendell McCarty, and J. Robert Heath
At the end of June the University of Kentucky signed a contract with Ungermann-Bass, Inc. for the design and installation of a campus data communications facility. This new network will allow terminals and computers all over campus to exchange data at high speeds in a very flexible and transparent manner. It can be extended to the Community Colleges and other universities, and can be interfaced to other national networks used by institutions of higher education. Asynchronous communications between host computers and terminals (or personal computers emulating terminals) will be possible at speeds of up to 19,200 bits per second. Even higher speed data transfers will be possible between personal computers when they are fitted with special network interfaces and the proper software. Very high speed communications among host computers will also be possible with the proper hardware and software. Our old type B 3270 terminals are NOT supported on the new network, but the newer type A devices could be attached if the Computing Center acquires a new terminal controller. Initially 38 buildings will be connected to the network backbone, and a small amount of computing equipment will be attached to it. Additional buildings and computing equipment will be connected to the new network as funding permits. The current data communications facility (a Develcon port selector, Timeplex multiplexers, and dedicated phone lines) will gradually be replaced over the next several years.
The backbone of this network will be a broadband coaxial cable running between buildings and up risers to the top floor of each building. An eight port network tap will be installed on each floor. The network will be accessed through Network Interface Units or NIUs. An NIU may be attached directly to one of these taps, or a cable may be run throughout the floor to provide additional taps in convenient locations. The broadband coaxial cable used between buildings is the same kind used for cable television. The network will be a tree structure with the root in McVey Hall.
BITNET Now Available (Because It's Time)
BITNET is an international computing network of several hundred universities and research institutions. In addition to direct access to over 700 BITNET nodes, access through gateways is available to several other networks including ARPANET, USENET, and CSNET. BITNET allows any CMS user to exchange messages and files with users at hundreds of locations.
BITNET is intended for educational and research use only. Commercial use is not allowed. It should not be considered secure and should not be used for confidential or sensitive information. Proprietary software should not be sent over BITNET.
When you use BITNET, remember that you are sharing a limited resource with a large number of other users. Large files sent through BITNET can cause traffic problems and will reach their destinations at the expense of many other users, so please limit file transmissions to 300,000 bytes. Since interactive messages take precedence over all other transmissions, extensive use of messages can block other traffic.
Random mailings (junk mail), casual contacts, and job solicitations are discouraged.
3350 Disks Now Available
OS users now have 3350 disk packs available for both permanent (RENTAL) and temporary (SYSDA) disk space. There is no longer any 3330 temporary space available. Do not use UNIT=3330 on DD cards. The command UNIT=RENTAL can be used to access old datasets which are not cataloged and to allocate datasets on 3350 packs. The per-byte rate for 3350 space is slightly more than half the rate for 3330 space.