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Table A-1
Step
6
7
1. TA = Terminal Adapter.
Configuring MICA Modems for Monitoring
To send AT commands to a MICA modem involves a reverse Telnet procedure. Table A-2 shows how
to enter AT command mode from enable mode (also called privileged EXEC) using reverse Telnet.
Note
configuration mode.
Table A-2
Step Command
1
2
Entering AT Command Mode for Microcom Modems (Continued)
Command
5300# modem at-mode 1/1
You are now entering AT
command mode on modem (slot 1 / port 1).
Please type CTRL-C to exit AT command mode.
Ctrl-C
5300#
MICA modems do not support the modem at-mode commands available in Cisco IOS line
Entering AT Command Mode for MICA Modems
5300> telnet ip-address line#
Trying 172.0.0.1, 2001 ... Open
at
OK
Configuring MICA Modems for Monitoring
Purpose
Enter a direct-connect session with a
1
TA
. In this example, a direct connect
session is established with the TA in
slot 1, port 1. Enter the TA slot number
first, followed by the TA port number.
Now you are in AT command mode and
can enter the AT commands described in
this document.
When done entering AT commands,
press Ctrl-C to return to enable mode.
Purpose
Open a reverse Telnet connection to the
modem. In the command shown here,
ip-address is the IP address of the access
server and line# is the two-digit line
number of the modem, prefixed by 20.
(For example, enter telnet 172.0.0.1
2001 if the IP address is 172.0.0.1 and
the modem line number is 1.)
If you do not know which line number to
use, enter the show line command and
check the resulting display for tty
numbers that have
inout
column.
The Telnet connection is open when the
word Open appears.
There is no command prompt in AT
command mode. To confirm that you are
able to enter AT commands, type at and
press Return. If you are in AT command
mode, the modem returns
Managing Modems A-3
in the Modem
.
OK
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