Configuring The Com Port - Cabletron Systems 2E48-27R User Manual

Chapter 5: Local Management
5.7.10 Configuring the COM Port
Upon power up, the COM port is configured to the default settings of
ENABLED and LM.
Before altering the COM port settings, ensure that the
!
2E4X-27R is set with a valid IP address. (Refer to
CAUTION
Section
port configuration section before changing the settings of the
COM port.
The 2E4X-27R COM port supports the following applications:
• Local Management connections
• American Power Conversion (APC) Uninterruptible Power Supply
(UPS) connections
To configure the COM port, proceed as follows:
1. Use the arrow keys to highlight the Com field.
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
CAUTION
Management terminal from the port, and ends the Local
Management session. If the 2E4X-27R 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
2E4X-27R using Mode Switch 7 (refer to
reestablish COM port communications.
2. Press the SPACE bar to choose either ENABLED or DISABLED.
The COM port must be ENABLED for the LM or UPS application.
Selecting DISABLED disallows the COM port connection to the
terminal, providing additional device security.
If the COM port is reconfigured without a valid IP address set
!
on the device, the message shown in
CAUTION
Do not continue unless the outcome of the action is fully
understood.
5-28
5.7.1, Setting the IP Address.) Read this entire COM
Appendix
Figure 5-14
2E48-27R/2E49-27R User's Guide
C) to
displays.