Juniper Networks J-Series manual Configuring a USB Modem Interface, Edit interfaces umd0

J-series™ Services Router Administration Guide

1.Navigate to the top of the interfaces configuration hierarchy in either the J-Web or CLI configuration editor.

2.Perform the configuration tasks described in Table 25 on page 34.

3.Go on to “Configuring a Dialer Interface (Required)” on page 35.

Table 25: Configuring a USB Modem Interface

Task	J-Web Configuration Editor	CLI Configuration Editor
Navigate to the Interfaces level in the	1. In the J-Web interface, select	From the [edit] hierarchy level, enter
configuration hierarchy.	Configuration>View and
	Edit>Edit Configuration.	edit interfaces umd0

Create the new interface umd0.

Configure dialer options.

■Name the dialer pool configured on the dialer interface you want to use for USB modem connectivity—for example, usb-modem-dialer-pool. For more information, see “Configuring a Dialer Interface

(Required)” on page 35.

■Set the dialer pool priority—for example, 25.

Dialer pool priority has a range from 1 to 255, with 1 designating lowest-priority interfaces and 255 designating the highest-priority interfaces.

2.Next to Interfaces, click Configure or Edit.

1.Next to Interface, click Add new entry.

2.In the Interface name box, type the name of the new interface, umd0.

3.Click OK.

1.In the Encapsulation column, next to the new interface, click Edit.

2.Next to Dialer options, select Yes, and then click Configure.

3.Next to Pool, click Add new entry.

4.In the Pool identifier box, type usb-modem-dialer-pool.

5.In the Priority box, type 25.

6.Click OK until you return to the Interface page.

Enter

set dialer-options pool usb-modem-dialer-pool priority 25

The S0=0 command in the default modem initialization sequence AT S7=45

S0=0 V1 X4 &C1 E0 Q0 &Q8 %C0,

disables the modem from automatically answering calls.

Configure the modem to automatically answer calls after a specified number of rings. For more information about modem initialization commands, see “How a Services Router Initializes USB Modems” on page 31 and “Modifying USB Modem Initialization Commands” on page 41.

1.Next to Modem options, click Configure.

2.In the Init command string box, type ATS0=2 to configure the modem to automatically answer after two rings.

3.Click OK.

Enter

set modem-options init-command-string "ATS0=2 \n"

34■ Configuring USB Modem Interfaces with a Configuration Editor