10 configuring the com port, 10 configuring the com port -27, The procedure described in – Cabletron Systems 2H28-08R User Manual
Page 75: Section 5.7.10, See the caution

General Configuration Screen
2H28-08R SmartSwitch 2208 User’s Guide
5-27
5.7.10
Configuring the COM Port
The 2H28-08R COM port supports the following applications:
•
Local Management connections
•
American Power Conversion Uninterruptible Power Supply (UPS)
connections
To configure the COM port, proceed as follows:
1.
Use the arrow keys to highlight the Com field.
!
CAUTION
Before altering the COM port settings, ensure that a valid IP
address is set for the device. (Refer to
.) Read this entire COM port configuration
section before changing the COM port settings.
NOTE
Refer to the Release Notes included with the 2H28-08R to
verify which COM Port applications are currently supported.
!
CAUTION
Do NOT disable or alter the settings of the COM port while
operating the current Local Management connection through a
terminal. Altering the COM port settings disconnects the Local
Management terminal from the port, and ends the Local
Management session.
If you are disconnected accidently, and the 2H28-08R was
previously assigned a valid IP address, reenter Local
Management by establishing a Telnet connection to the device.
If the device does not have a valid IP address and the COM
port has been disabled or the settings changed, reset NVRAM
on the 2H28-08R (refer to
reestablish COM port communications. Clearing NVRAM
results in the loss of all user-entered parameters.