Specifications

38 AT-9800 Series
C613-03043-00 REV B
To enable diagnostics mode:
1. Connect a terminal to the RS-232 Terminal Port (ASYN0).
Using a terminal cable, connect a terminal to the RS-232 Port (ASYN0) on
the switch. See “Useful Cables” on page 16 for more information on
terminal cables.
Set the terminal communication parameters to the following:
Baud rate: 9600
Data bits: 8
Parity: None
•Stop bits: 1
Flow control: Hardware
2. Restart the switch.
Restart the switch, either by using a pen or pencil to operate the recessed
reset button on the switch’s front panel, or by using the terminal to log in
and enter the command:
RESTART REBOOT
See “To log In” on page 11 for more information on how to log in.
3. Enable diagnostics mode during start-up.
During the switch start-up process, at the prompt:
Force EPROM download (Y)?
press [Ctrl/D] on the terminal to enter diagnostics mode. A banner page will
be displayed on the terminal (Figure 20 on page 38). This can be used to
check that the terminal is correctly connected.
Performing a Full Flash Test or erasing flash will delete all configuration and
release files. Make sure you know how to reload these files before erasing flash
or performing a flash test.
Figure 20: AT-9800 Series diagnostics banner page.
To run a diagnostic program, enter the corresponding letter or number (or key).
There are several sub-menus to cover all the available options. Table 14 on
page 39 lists the control keys for diagnostic operations.
* * * Diagnostic Mode * * *
version 16-Mar-98
Main Menu:
0. Restart
1. Full RAM test
2. ROM checksum test
3. Full FLASH test
4. Totally Erase FLASH
5. Battery backed RAM test
Enter selection ==>