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Chapter 4
Initial Configuration
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m .
To configure a modem connection through the console port, follow these steps:
Command
Step 1
switch# config t
switch(config)#
Step 2
switch(config)# line console
switch(config-console)#
Step 3
switch(config-console)# modem in
switch(config-console)# no modem
in
Configuring the Initialization String
Switches in the Cisco MDS 9500 Series and the Cisco MDS 9200 Series have a default initialization
string (
modems supported by Cisco Systems. The default string contents are as follows:
•
•
•
•
•
•
•
You may retain the default string or change it to another string (80 character limit) using the user-input
option. This option is provided if you prefer to use a modem that is not supported or tested by Cisco
systems. If you change the string, the changes you make are permanent and remain in effect unless you
change them again. Rebooting the system or restarting the CLI does not change the modem initialization
string. The switch is not affected even if the modem is not functioning.
We recommend you use the default initialization string. If the required options are not provided in the
Tip
user-input string, the initialization string is not processed.
The modem initialization string usage depends on the modem state when the switch boots:
•
•
You can perform the configuration specified in this section only if you are connected to the console port
Note
or the COM1 port.
OL-6973-03, Cisco MDS SAN-OS Release 2.x
ATE0Q1&D2&C1S0=1\015
AT—Attention
E0 (required)—No echo
Q1—Result code on
&D2—Normal data terminal ready (DTR) option
&C1—Enable tracking the state of the data carrier.
S0=1—Pick up after one ring
\015 (required)—carriage return in octal
If the modem is already attached to the switch during boot-up, the default initialization string is
written to the modem (see the
If the modem is not attached to the switch during boot-up, then attach the modem as outlined in the
Cisco MDS 9000 Family Hardware Installation Guide (depending on the product), and follow the
procedure provided in this section (see the
section on page
4-30).
Command
Enters configuration mode.
Enters the console port configuration mode.
Enables the console port to only connect to a modem.
Disables (default) the current modem from executing its
functions.
) to detect connected modems. The default string detects connected
"Configuring the Default Initialization String" section on page
"Configuring a User-Specified Initialization String"
Cisco MDS 9000 Family Configuration Guide
Configuring Modem Connections
4-30).
4-29
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