Operation and Maintenance
8-14 9161-A2-GH30-30
April 1998
"Procedure
To reset COM port settings:
1. Attach the async terminal to the COM port.
2. At the async terminal, configure the terminal to operate at 19.2 kbps, using
character length of 8 bits, with one stop-bit, and no parity.
3. Ensure that any hardware or software flow control is disabled.
4. Reset the T1 access unit, then immediately and repeatedly press Return at a
rate of at least 1 press per second until the System Paused screen appears.
(See

Resetting the T1 Access Unit from the Control Menu

to reset the unit.)
5. Tab to the desired method, and enter yes (or y) for the selected prompt.
If entering yes to prompt . . . Then . . .
Reset COM Port usage HPort Type is set to Terminal.
HData Rate (Kbps) is set to 19.2.
HCharacter Length is set to 8.
HStop Bits is set to 1.
HParity is set to None.
HExternal Device Commands is set to Disable.
Reload Factory Defaults All factory-loaded configuration and control
settings contained in the Default Factory
configuration area are loaded.
If no (or n) is entered, or if no selection is made within 30 seconds, the T1
access unit returns to the condition of operation it was in when the system
pause was initiated, with the COM port settings returning to their configured
states.
If you choose yes, the T1 access unit resets itself, going through a Device
Self-Test. Connectivity is restored and the Main Menu screen appears.