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Resetting usb modems, Verifying the usb modem configuration – Juniper Networks J-Series User Manual

Page 64

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Table 29: Modifying USB Modem Initialization Commands (continued)

CLI Configuration Editor

J-Web Configuration Editor

Task

From the

[edit interfaces umd0]

hierarchy,

enter

set modem-options init-command-string

"AT S0=2 L2 \n"

1.

Next to Modem options, click
Configure.

2.

In the Init command string box,
type

AT S0=2 L2

.

3.

Click OK.

Configure the modem AT commands to
initialize the USB modem. For example:

The command

S0=2

configures the

modem to automatically answer
calls on the second ring.

The command

L2

configures

medium speaker volume on the
modem.

You can insert spaces between
commands.

When you configure modem commands
in the CLI configuration editor, you must
follow these conventions:

Use the newline character

\n

to

indicate the end of a command
sequence.

Enclose the command string in
double quotation marks.

Resetting USB Modems

If the USB modem does not respond, you can reset the modem.

CAUTION: If you reset the modem when a call is in progress, the call is terminated.

To reset the USB modem:

1.

Enter operational mode in the CLI.

2.

To reset the USB modem, enter the following command:

user@host> request interface modem reset umd0

Verifying the USB Modem Configuration

To verify a USB modem configuration, perform the following tasks:

Verifying a USB Modem Interface on page 43

Verifying Dialer Interface Configuration on page 44

42

Verifying the USB Modem Configuration

J-series™ Services Router Administration Guide