MICROCOMPUTER TO MAINFRAME COMMUNICATIONS TYPES AVAILABLE ON CAMPUS SYTEK LOCALNET NETWORK (LOCALNET) If you are using one of the public terminals in a site like ComWest or Engineering, you might notice a sticker identifying the personal computer or terminal as being linked to LocalNet. This means that this is one of the many terminals on campus linked together by broadband cable to many other systems. It operates much like a phone system in that a user places a call to another user, and if there are open ports a connection can be made. In order to use LocalNet, find one of the terminals which is linked to the network, and at the prompt #, type CALL xxxx where xxxx refers to the number given in the section on specific mainframes, below. Note: The numbers given first are those for public rje sites. If your department has a private localnet box, you should try the priority number, as these numbers are different. GANDALF PACX (SWITCH) The switch is an information exchange system that allows users to switch between computer systems from the same terminal. It supports transmission speeds of up to 1200 baud, as it is configured on this campus. To use the switch, place a call to 333-4008 with your modem, and when you connect you will see the prompt: enter class or help At this point you should type the "nodename" (name of the mainframe) given in the sections below for the mainframe you are trying to reach. Type the name for DIAL SWITCH if you are using a modem, and the name for SWITCH if the computer you are using is physically "on the switch". Set your protocols for the computer you are trying to reach. DIAL-UP ACCESS Some of the computers have a direct dial-up number and can be accessed without going through the switch. However, this is not the most highly recommended mode of access due to the extremely limited number of dial-up ports. In addition, while one can access a mainframe at 1200 baud through the switch, directly dialing up generally limits you to 300 baud. NOTES ON PROTOCOLS: In general, the best success has been had with the settings listed in the sections for the specific mainframes. However, the following general settings can also be tried: Duplex: Full (unless using line mode, then it must be set to Half) i.e. Host echo (no local echo) unless line mode, in which case the local computer must do the echoing. Data Bits: 7 or 8 Stop Bits: 1 Parity: Mark (Actually, the parity bit is not checked on inbound characters. It is always set on outbound characters. This means it is important for file transfer but not as important for terminal emulation.) On Localnet, parity can be none or even. Some microcomputer software works best with even. Experimentation is in order if the values given seem to be causing problems. THE CYBER CDC CYBER 175 (UIUCNOSA) NOS 1.4 This is an older machine, which is used for instruction and research. Available software includes statistical, mathematical, and graphics packages, as well as programming languages. DIAL UP (300 BAUD) 333-4000 SWITCH (1200 BAUD) NOSA DEDICATED SWITCH (1200 BAUD) RNOSA DIAL SWITCH (1200 BAUD) DNOSA LOCALNET (1200 BAUD) CALL 1650 (PRIORITY NUMBER: CALL 1750) CYBER PROTOCOLS Baud: 300 for dial-up, 1200 for Switch or LocalNet access Parity: Even Data Bits: 7 Stop Bits: 1 AVAILABLE COMMUNICATIONS PACKAGES The Cyber Interface (by C.C. Cheng), which can be acquired by bringing a blank diskette to 94 Commerce West, provides a very good interface for the Cyber, if you have an IBM PC or compatible. Any communications package which is capable of teletype emulation and ASCII file transfer (or Capture to Disk) will be suitable for communications with Cyber. Kermit may be used for communications as a terminal, but is not recommended for file transfer, as Cyber does not have Kermit installed for error checking on its end of the communications. IBM MACHINES Communicating with the IBMs is more difficult than communications with Cyber. In order to be able to use full screen mode, and utilities such as XEDIT, the mainframe expects you to have a 3270 type terminal. If you do not (they are extremely costly), you have three alternatives (listed in order of accessibility, from most accessible to least, and difficulty of use from most to least): 1. Use your ASCII terminal or PC in line mode. The ASCII terminal writes one line of text at the bottom of the screen and then scrolls the screen upwards before another line is written. This line-by line mode makes the display and editing of text on the ASCII screen quite time-consuming. 2. Use the software on the mainframe called SIM3278. This program is essentially a protocol converter between the VM Control Program and the ASCII terminal. The Sim3278 resides on the mainframe where it waits for input from both the ASCII terminal and CP. When a user connects to Sim3278 from a terminal, CP initializes a logical 3270 screen that it associates with that terminal. CP can read and write data to this logical 3270 screen thinking the user is really on a 3270-type terminal. You can get more information on SIM the next time you are logged on an IBM machine by utilizing the HELP CSO SIM3278 utility. To USE Sim, type DIAL SIM at the dot prompt before you log on, type a ? for the terminal ID number (or type the number if you know it), and then logon as usual. 3. The third option is to use the 7171. The IBM 7171 is a machine that enables users to logon to an IBM virtual machine (VM) in full screen mode from a line editing terminal. Full screen editing functions such as pfkeys and inserting/deleting text are duplicated through certain sequences of keystrokes. For modem access to the 7171, you must dial the switch and use the full-screen nodename, DVMDFS. This requires a modem capable of 1200 baud. There are at present 19 types of terminals that this piece of hardware can support: IBM3101 SAFARI ADM3A ADM31 ACT4 VT100 VT200 DM1520 DM1521 DM3045 TVI910 TVI912 TVI950 TVI920 TVI950R IBM316X ROLM3270 WYSE50 TEK4105 KERMIT If your terminal does not appear in this list and you are not able to emulate one of the terminals that does appear on the list, you can either use SIM or work in line mode. If your terminal type is prevalent enough on campus, CSO might be able to add a new definition. If you are using an IBM PC or compatible, you could use SIM with the AZPC disk that we still distribute, or you could use Kermit. Kermit is a file transfer protocol which provides some terminal emulation features, and is available for the IBM and VAX systems. If you have an IBM PC (or compatible) or Apple Macintosh, just bring in a blank formatted diskette to room 94 CommWest and we can give you a copy. We recommend Kermit over AZPC2 for the following reasons: * Excellent Terminal Emulations (VT100, VT52, Heath19) * Reliable File Transfer (AZPC is very unreliable on uploads) * Extremely customizable key settings, which allows mnemonic arrangements of PFkeys and a limited macro ability. IBM 4381-P1 (UIUCVMB) This machine is used by the College of Engineering and the Department of Computer Science for VLSI design. Currently, access is from terminals in the Woodshop building. CAD/CAM IBM 4341 (UIUCVMC) VM/VMS Use of this machine is restricted to instruction and research in Computer Aided Design and Manufacturing as determined by the College of Engineering. Currently, access is from terminals in the ME and Transportation buildings. IBM 3081-GX (UIUCVMD) VM/CMS This machine is used for instruction and research and is the main node on campus for BITNET. DIAL UP (300 BAUD, LINE MODE) 333-4006 SWITCH (1200 BAUD) VMD DEDICATED SWITCH (1200 BAUD) RVMD FULL SCREEN MODE SWITCH (9600 BAUD) VMDFS DIAL SWITCH (1200 BAUD, LINE MODE) DVMD DIAL SWITCH (1200 BAUD, FULL SCREEN MODE, MARK PARITY) DVMDFS LOCALNET - LINE MODE: CALL 4000 (PRIORITY: CALL 4100) LOCALNET - FULL SCREEN MODE: CALL 4400 (PRIORITY: CALL 4500) IBM 4341-M2 (UIUCVME) VM/CMS This machine is used exclusively for instruction and is located in Commerce West. There are also several hardwired 3270 terminals in rooms 70 and 96 of Commerce West. LOCALNET (9600 BAUD, FULL SCREEN MODE) CALL 4600 (PRIORITY: CALL 4700) IBM PROTOCOLS Baud Rate: 1200 with the dial switch, 300 with direct dial-up Parity Bits: Mark for full screen mode (None for line mode) Data Bits: 7 Stop Bits: 1 Duplex: Full (echo off) for full screen (Half -echo on - for line mode) Handshaking: none Time-outs: enabled AVAILABLE COMMUNICATIONS PACKAGES We are able to distribute the Kermit file transfer protocol for the IBM PC, the Apple Macintosh, and the Apple IIe. In addition, any package which supports the Kermit file transfer protocol and emulates one of the terminals on the previous page (such as VT100) can be used. You may find that the ability to customize your keyboard is another important factor, as the keyboard must be mapped from the Micro to the VT100, and then the VT100 to the 3270. This can make the keystrokes quite clumsy. DIAL PVM? WHAT'S THAT? PVM is the pass through program which runs on all 4 VM machines and provides the capability for terminals connected to one system to log in on any of the other 3 systems. When you get the IBM logo screen, press enter to get to the screen from which you would log on. There, you should type DIAL PVM, choose your machine with the cursor, press enter to select the machine, and then LOGON. UNIX MACHINES PYRAMID 90X (UIUCUXA) UNIX 4.2 This machine is used exclusively for instruction. DIAL-UP (1200 BAUD) 244-0721 LOCALNET (9600 BAUD) CALL 66AC (PRIORITY NUMBER: CALL 66AA) VAX 11/780 (UIUCUXC) UNIX 4.2 This machine is reserved for faculty and staff with real money accounts. DIAL-UP (1200 BAUD) 333-4007 SWITCH (1200 BAUD) UXC LOCALNET (9600 BAUD) CALL 1110 (PRIORITY ONLY) PYRAMID 90X (UIUCUXE) UNIX 4.2 This machine's use is limited to research board accounts DIAL-UP (1200 BAUD) 244-0726 LOCALNET (9600 BAUD) CALL 66FA (PRIORITY NUMBER: CALL 66EE) SEQUENT BALANCE 8000 (UIUCUXF) UNIX 4.2 The Sequent is used exclusively for instruction. DIAL-UP (1200 BAUD) 244-0377 LOCALNET (9600 BAUD) CALL 66C0 (PRIORITY NUMBER: CALL 66BB) PYRAMID 90X (OSIRIS) Osiris is reserved for use by the Army Corps of Engineers UNIX PROTOCOLS Baud Rate: 1200 Parity Bits: NONE Data Bits: 7, or 8 (8 is best for file transfer) Stop Bits: 1 Duplex: Full (No Echo) Handshaking: None Time-outs: Disabled AVAILABLE COMMUNICATIONS PACKAGES All of CSO's Unix Machines have Kermit installed as a file transfer protocol. Any terminal which has a corresponding termcap definition on the system, such as a VT100 or Heath19, can be emulated in order to provide access to full screen utilities, such as vi. The Kermit program which we distribute is able to emulate either of these terminals. THE LIBRARY (LCS) The Library Circulation System can be reached in order to renew or check out books. It will not prompt you when it is online. The only way you will know is by typing a command. If it responds, you have connected properly. The User Interface which you can use on the PCs in the Library is not available by dial-up. If you need a quick reference card of the three-letter commands you can use on LCS, stop by the Main Circulation Desk, or the Undergraduate Library Circulation Desk. LCS is not available between Midnight and 7:30 A.M. on weekdays or Saturday, or between Midnight and 12:30 P.M. on Sunday. DIAL-UP (300 BAUD) 333-2494 OR 333-9116 SWITCH (1200 BAUD) LCS LOCALNET (1200 BAUD) CALL 6400 Baud Rate: 1200 Parity Bits: MARK or NONE Data Bits: 7 Stop Bits: 1 Duplex: Half (Echo) Handshaking: None Time-outs: Disabled THE CRAY SUPERCOMPUTER To send files to the Cray, you must go through the front-end VAX called NCSA on the switch, or call 2000 on LocalNet. Once again Kermit can be used. VAX 11/780 (FRONT-END TO CRAY XMP) VMS SWITCH (1200/9600 AUTOBAUD) NCSA LOCALNET (9600 BAUD) CALL 2000