70 Chapter 7 Out-of-band management support

Connecting a modem to a PC

For this procedure, you do not need to load the modem drivers on the PC.

Note: You can also connect a dumb terminal in a similar manner.

To connect a modem to a PC:

1Connect the modem’s power cord to the modem and the power outlet, as described in the modem’s installation instructions.

2Plug one end of the DB9 serial cable into the modem.

3Plug the other end of the cable into the serial (COM1) port on the PC.

4Turn on the modem.

Configuring modem connection settings

Regardless of the terminal emulation environment you use, you must set the connection speed to 115200, set the flow control to hardware (RTS/CTS), and set the modem to answer on the first ring (auto-answer) with the command string: ats0=1&w\r. Some modems enable you to configure the modem to auto-answer using DIP switch settings. Refer to your modem’s documentation for instructions.

This procedure provides instructions for configuring modem connection settings using the HyperTerminal terminal emulation software.

To configure modem connection settings using HyperTerminal:

1Start the HyperTerminal software.

The Connection Description dialog box opens (Figure 12).

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Nortel Networks 400-S manual Connecting a modem to a PC, Configuring modem connection settings