CHAPTER 5: CONFIGURING THE SOFTWARE
D20MX INSTRUCTION MANUAL GE INFORMATION 65
5. Click Configure ribbon group > Communications > Connect drop-down list > Tera
Term.
Result: Tera Term: New connection dialog appears
6. Click Serial and select the communications port on your PC from the Port drop-down
list.
7. Click OK.
Result: Tera Term: New connection dialog closes
Result: The Tera Term VT window appears
8. Select Setup > Serial port…
Result: Tera Term: Serial port setup dialog appears
9. Verify (or set) terminal communication settings as follows:
10. Click OK.
Result: The Tera Term settings are now configured.
Download image files
to the D20MX over a
serial link
Note: For a redundant system, download image files to the standby D20MX first. Then
switch-over and download image files to the new standby D20MX.
To download application and operating system image files to a D20MX module:
1. Restart the D20MX.
Result: The startup messages appear.
2. When the message “Press Ctrl-E to enter debug mode” appears, press Ctrl-E within 3
seconds.
Result: The login dialog appears.
3. Log in:
–For User: type a username that has Maintenance or Read/Write Access and press
Enter,
–For Password: type the password and press Enter.
Result: The D20M> prompt appears.
4. Optional: Speed-up communications to shorten download time.
Type Baud 115200 and press Enter.
Note: Select 57600 or 38400 if communications errors have occurred previously. Such
errors can occur due to the presence of ambient EMI, a long cable length, a PC with
communication limitations due to CPU speed or when using some serial to USB
adapters.
Result: The D20MX is now communicating at 115,200 baud.
4.1. Select Setup > Serial port…
Result: Tera Term: Serial port setup dialog appears.
4.2. Select 115,200 from the Baud Rate drop-down list.
Setting Value
Port: COM1 or COM2, or as required by the computer you are using.
Baud Rate baud rate of the D20MX (9600 or 19200 bps)
See “RS-232” on page 50 if you need to change the baud rate.
Data 8 bit
Parity none
Stop 1 bit
Flow Control Xon/Xoff
Transmit delay 0 msec/char; 0 msec/line
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