POISE-SkyLite User Guide - Palmer College of Chiropractic, Intranet ...
POISE-SkyLite User Guide - Palmer College of Chiropractic, Intranet ... POISE-SkyLite User Guide - Palmer College of Chiropractic, Intranet ...
TROUBLESHOOTING CHAPTER 5 Connections: Asynchronous No response from host on the PC screen If SkyLite displays no output on the screen, it is likely that this is because either the hardware link to the host is inoperable or there is some incompatibility between the line characteristics of the host system and the PC. If you can: • Check the host connection by replacing the PC with a terminal. If the terminal operates satisfactorily, use it to determine the host port parameters such as baud rate using the appropriate host command. Compare these settings with the SkyLite session parameters. • Check the cable connections between the PC and the host system carefully. Ensure that the correct connector is being used on the rear of the PC and that the PC port selected in the currently active session (COM1 to COM8 or network) is the port being physically used. Check also that the connector is not plugged into the parallel port. • You can use a loopback connector in the communications port to test that keys pressed appear correctly on the screen. A loopback connector is a simple tool that joins pin2 to pin3. • Check that the host is not hung on an Xoff character. To overcome this, press Ctrl and Q on your keyboard. • Press Return, Break, or the space bar a couple of times to activate the host. • Check that the host port is not in debug mode. Then enter “OFF” at the keyboard to close down the session. • Check that you have not selected the serial mouse port as your communications port. • Check that your communications port is set up with the correct IRQ and port I/O address. Refer to your port reference guide or PC manual for further information. • Check that if you have used other manufacturer’s software, which uses the port, that it is not left in an anomalous state. Reboot the PC to reset the port. Garbled or no response from host This is usually caused by incompatibilities in port settings between the PC and the host system. Check that the terminal type is defined correctly for your application and that it is identical to that defined on the host port. Check the settings of the host port (from a working terminal) using the appropriate host command. Compare these with the settings on the PC in SkyLite’s menu. The most likely candidates for mismatch are the baud rate or parity settings for asynchronous communications. Character corruption appears on screen If letters are missing from words on the screen or spurious characters (such as cursor positioning sequences that might look like "[23;1", etc.) appear on the screen, you should make the following checks. If using asynchronous communications, check that flow control is ON for both SkyLite and the host port. If the problem persists and you are running at a baud rate that is too high (say 19,200 bps), try resetting this to a lower baud rate, say 9600 bps. It is possible that your host system does not correctly support flow control at higher baud rates. 62 POISE-SkyLite User Guide
CHAPTER 5 TROUBLESHOOTING If this does not cure the problem, check the AUTOEXEC.BAT file on your PC for the KEYB command. If you are using the Microsoft version of KEYB, this is known to interfere with the COM port interrupts causing loss of data into the PC. Remove KEYB from the AUTOEXEC.BAT file and reboot your PC. Connections: Network If you are connecting through a network such as Novell, ensure that the correct network card has been installed and the network correctly configured. If necessary, use the emulator supplied with the network stack to verify the connection. SkyLite cannot connect to the host Check the following: • Network protocol • SkyLite • Hardware 1HWZRUNSURWRFRO • Check that the protocol stack software is loaded correctly. • Review the config.sys and the autoexec.bat and check that all the necessary modules are loaded. • Check that the correct version of the stack is loaded for the Windows or DOS version running on the PC. • Use the emulator that usually comes with the stack to connect to the host. If it doesn’t connect, then reload the stack. • Try another terminal emulator (for example, Windows “Terminal”). To set up Windows Terminal, change Settings > Communications. Set the COM port to be used; then change the other parameters to suit the host. On pressing Return, you should get the logon banner. • Check that the host can be connected to over the network. Are other users able to connect? • Ensure the router software is running on the server. • Check that the packet type is being passed across any bridge/WANs in the network. • Check that you are using the correct packet type in the PC network stack setup. • Check that the host can be connected to. Use the PING command to access the host. • Check that the host name is in the host table and that it has been set up correctly. PING the target host’s ethernet address. • Check that the host has the correct TCP/IP software loaded and running. 6N\/LWH • Check that SkyLite has the correct host-name or ethernet address. • Check that SkyLite has the correct network interface set. • Check that you have the network version of SkyLite. Check in Help, About. • Check that the correct line speed has been chosen. • Check that the emulation type is correct for the host. +DUGZDUH • Will a terminal or another PC work on the cable? (Remember that some terminals require different pin-outs from PCs). • Check that the cable works. Swap with one from a working PC. POISE-SkyLite User Guide 63
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CHAPTER 5<br />
TROUBLESHOOTING<br />
If this does not cure the problem, check the AUTOEXEC.BAT file on your PC for the<br />
KEYB command. If you are using the Micros<strong>of</strong>t version <strong>of</strong> KEYB, this is known to<br />
interfere with the COM port interrupts causing loss <strong>of</strong> data into the PC. Remove KEYB<br />
from the AUTOEXEC.BAT file and reboot your PC.<br />
Connections: Network<br />
If you are connecting through a network such as Novell, ensure that the correct network<br />
card has been installed and the network correctly configured. If necessary, use the<br />
emulator supplied with the network stack to verify the connection.<br />
<strong>SkyLite</strong> cannot connect to the host<br />
Check the following:<br />
• Network protocol<br />
• <strong>SkyLite</strong><br />
• Hardware<br />
1HWZRUNSURWRFRO<br />
• Check that the protocol stack s<strong>of</strong>tware is loaded correctly.<br />
• Review the config.sys and the autoexec.bat and check that all the necessary<br />
modules are loaded.<br />
• Check that the correct version <strong>of</strong> the stack is loaded for the Windows or DOS<br />
version running on the PC.<br />
• Use the emulator that usually comes with the stack to connect to the host. If it<br />
doesn’t connect, then reload the stack.<br />
• Try another terminal emulator (for example, Windows “Terminal”). To set up<br />
Windows Terminal, change Settings > Communications. Set the COM port to be<br />
used; then change the other parameters to suit the host. On pressing Return, you<br />
should get the logon banner.<br />
• Check that the host can be connected to over the network. Are other users able to<br />
connect?<br />
• Ensure the router s<strong>of</strong>tware is running on the server.<br />
• Check that the packet type is being passed across any bridge/WANs in the<br />
network.<br />
• Check that you are using the correct packet type in the PC network stack setup.<br />
• Check that the host can be connected to. Use the PING command to access the<br />
host.<br />
• Check that the host name is in the host table and that it has been set up correctly.<br />
PING the target host’s ethernet address.<br />
• Check that the host has the correct TCP/IP s<strong>of</strong>tware loaded and running.<br />
6N\/LWH<br />
• Check that <strong>SkyLite</strong> has the correct host-name or ethernet address.<br />
• Check that <strong>SkyLite</strong> has the correct network interface set.<br />
• Check that you have the network version <strong>of</strong> <strong>SkyLite</strong>. Check in Help, About.<br />
• Check that the correct line speed has been chosen.<br />
• Check that the emulation type is correct for the host.<br />
+DUGZDUH<br />
• Will a terminal or another PC work on the cable? (Remember that some terminals<br />
require different pin-outs from PCs).<br />
• Check that the cable works. Swap with one from a working PC.<br />
<strong>POISE</strong>-<strong>SkyLite</strong> <strong>User</strong> <strong>Guide</strong> 63
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