SRX110 Services Gateway 3G USB Modem Overview
This topic includes the following sections:
•
Introduction to the SRX110 Services Gateway 3G USB Modem on page 10
•
SRX110 Services Gateway 3G USB Modem—Supported Modem Types on page 10
•
Using the SRX110 Services Gateway 3G USB Modem on page 10
Introduction to the SRX110 Services Gateway 3G USB Modem
Wireless WAN access is becoming widely available and comparably priced with Integrated
Services Digital Network (ISDN) and Digital Subscriber Line (DSL). The SRX110 Services
Gateway supports a wireless interface as a backup for primary interfaces such as Fast
Ethernet.
To facilitate wireless connectivity, the device has a 3G-WAN USB port on the back panel
that supports the external 3G USB modem using a USB modem extension cable. For
more information on the back panel of the device, see
SRX110 Services Gateway Front
Panel and Back Panel Views with 3G and Integrated VDSL2
.
SRX110 Services Gateway 3G USB Modem—Supported Modem Types
Table 6 on page 10
lists the wireless modems supported on the SRX110 Services Gateway.
Table 6: Wireless USB Modems Supported by the SRX110 Services
Gateway
Release Supported
Wireless USB Modem
Junos OS Release 11.2 R3 and later.
Sierra Wireless Compass 888. Not available from
Juniper Networks.
Junos OS Release 11.2 R3 and later.
Sierra Wireless AirCard 319U. Not available from
Juniper Networks.
Using the SRX110 Services Gateway 3G USB Modem
To use the 3G USB modem, you plug one end of the USB modem extension cable into
the 3G-WAN USB port on the rear side of the device, and then plug the 3G USB modem
into the USB modem extension cable-mount slot. This enables you to dial a wireless call
to the 3G wireless service provider network, which acts as an Internet gateway. To use
the 3G USB modem as a backup interface, you can use the dialer feature available in the
services gateway. The 3G USB modem is secured with a USB protection cover as shown
in
Figure 2 on page 11
.
Copyright © 2015, Juniper Networks, Inc.
10
SRX110 Services Gateway Hardware Guide for H2 Model Numbers
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