J-series™ Services Router Administration Guide

Table 29: Modifying USB Modem Initialization Commands (continued)

Task

J-Web Configuration Editor

Configure the modem AT commands to

1.

Next to Modem options, click

initialize the USB modem. For example:

 

Configure.

The command S0=2 configures the

2.

In the Init command string box,

modem to automatically answer

 

type AT S0=2 L2.

calls on the second ring.

3.

Click OK.

 

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.

CLI Configuration Editor

From the [edit interfaces umd0] hierarchy, enter

set modem-options init-command-string "AT S0=2 L2 \n"

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

42Verifying the USB Modem Configuration

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Juniper Networks J-Series manual Resetting USB Modems, Verifying the USB Modem Configuration, Configure