Juniper SRX240 Series User manual

Connecting the Modem at the SRX240 Services Gateway End
Before you can connect a dial-up modem to the console port on the SRX240 Services
Gateway, you must configure the modem to accept a call on the first ring and accept
DTR signals. You must also disable flow control on the modem.
NOTE: These instructions use Hayes-compatible modem commands to configure the
modem. If your modem is not Hayes-compatible, refer to the documentation for
your modem and enter the equivalent modem commands.
To configure the modem on the services gateway end:
1. Connect the modem to a PC or laptop computer.
2. Power on the modem.
3. From the PC or laptop computer, start your asynchronous terminal emulation
application (such as Microsoft Windows HyperTerminal) and select the COM port
to which the modem is connected (for example, COM1).
4. Configure the port settings shown in Table 1.
Table 1: Port Settings to Configure the Modem on Services Gateway End
ValuePort Settings
9600Bits per second
8Data bits
NoneParity
1Stop bits
NoneFlow control
5. In the HyperTerminal window, enter AT.
For more information on the AT commands, see the JUNOS Software
Administration Guide.
An OK response verifies that the modem can communicate successfully with the
COM port on the PC or laptop.
6. Configure the modem to answer a call on the first ring by entering ATS0=1.
7. Configure the modem to accept modem control DTR signals by entering AT&D1.
8. Disable flow control by entering AT&K0.
9. Save modem settings by entering AT&W.
Connecting the Modem at the SRX240 Services Gateway End ■1

Related Topics ■Connecting the SRX240 Services Gateway to the J-Web Interface
■Connecting the SRX240 Services Gateway to the CLI
■Connecting to the CLI at the User End for the SRX240 Services Gateway
■Connecting the Modem to the Console Port on the SRX240 Services Gateway
Published: 2010-05-03
2■Connecting the Modem at the SRX240 Services Gateway End