Juniper Networks J-Series manual Connecting the USB Modem to the Services Routers USB Port

Chapter 2: Setting Up USB Modems for Remote Management

Before You Begin

Before you configure USB modems, you need to perform the following tasks:

■Install Services Router hardware. For more information, see the Getting Started Guide for your router.

■Establish basic connectivity. For more information, see the Getting Started Guide for your router.

■Order a Multi-Tech MultiModem MT5634ZBA-USB-V92 USB modem from Multi-Tech Systems (http://www.multitech.com/).

■Order a dial-up modem for the PC or laptop computer at the remote location from where you want to connect to the Services Router.

■Order a public switched telephone network (PSTN) line from your telecommunications service provider. Contact your service provider for more information.

■If you do not already have a basic understanding of physical and logical interfaces and Juniper Networks interface conventions, see the J-series Services Router Basic LAN and WAN Access Configuration Guide.

Connecting the USB Modem to the Services Router's USB Port

NOTE: J4350 and J6350 Services Routers have two USB ports. However, you can connect only one USB modem to the USB ports on these routers. If you connect USB modems to both ports, the router detects only the first modem connected.

To connect the USB modem to the USB port on the router:

1.Plug the modem into the USB port.

2.Connect the modem to your telephone network.

Configuring USB Modem Interfaces with a Configuration Editor

To configure USB modem interfaces, perform the following tasks marked (Required). Perform other tasks if needed on your network.

■Configuring a USB Modem Interface (Required) on page 33

■Configuring a Dialer Interface (Required) on page 35

■Configuring Dial-In (Required) on page 36

■Configuring CHAP on Dialer Interfaces (Optional) on page 37

Configuring a USB Modem Interface (Required)

To configure a USB modem interface for the Services Router:

Before You Begin ■ 33