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Configuring the Modem at the SRX220 Services Gateway End
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 as shown in Table 37 on page 98 .
Table 37: Port Settings for Configuring the Modem on the Services
Gateway End
Value Port Setting
9600 Bits per second
8 Data bits
None Parity
1 Stop bits
None Flow control
5.
In the HyperTerminal window, enter
AT
.
For more information on the AT commands, see the following topics:
• Initial Configuration for Security Devices
• Monitoring and Troubleshooting for Security Devices
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 .
Copyright © 2016, Juniper Networks, Inc. 98
SRX220 Services Gateway Hardware Guide for H Model Numbers