problem, set up for computer diagnostics as described below.
System problems will most likely be found somewhere through
the diagnostic readouts.
The diagnostics procedure requires terminal emulation software
such as PROCOMM, Windows Terminal, or Windows 95/98
Hyperterminal. Use the settings appropriate to your application.
1. Connect one end of the PC cable to the DB9
connector on the front of the switchplate. Connect
the other end to the serial port on the PC (a 9-
pin/25-pin connector adapter may be needed for
some PCs).
2. Open the terminal emulation software and
establish the following settings:
• 9600 baud
• no parity
• 8 data bits
• 1 start bit
• 1 stop bit
• no flow control
3. Apply power to the TracVision 4 system and allow
the system to complete full initialization. Data
should be scrolling on the PC display to identify
any system problems detected. If no data is seen,
recheck your connections and the terminal
software setup.
4. After completing the diagnostic, shut down the
system.
3.5 Maintenance Port Parser
Commands
TracVision 4 system parser commands are detailed in
Appendix G.
3-5
Troubleshooting
54-0150 Rev. E
Figure 3-2
DB9 Connector
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