Paradyne 9123 Configuring the COM Port to Support an External Modem, External Modem Commands

Configuration

Configuring the COM Port to Support an External Modem

Select External Modem (Com Port) to display or change the configuration options that control call processing for an external device attached to the COM port (see Table 3-17).

Main Menu → Configuration → Management and Communication →

External Modem (Com Port)

NOTE:

A standard EIA-232 crossover cable is required when connecting an external modem to the FrameSaver unit's COM port. See Standard EIA-232-D Crossover Cable in Appendix C, Connectors, Cables, and Pin Assignments, for cable pin assignments.

Table 3-17. External Modem (COM Port) Options

External Modem Commands

Possible Settings: Disable, AT

Default Setting: Disable

Specifies the type of commands to be sent over the COM port.

Disable ± Commands will not be sent over the COM port.

AT ± Standard Attention (AT) Commands are sent over the COM port to control the external device. All AT command strings will end with a carriage return (hex 0x0D) and a line feed (hex 0x0A).

CAUTION: Do not use this setting if you have an asynchronous terminal connected to the COM port.

Dial-In Access

Possible Settings: Enable, Disable

Default Setting: Enable

Controls whether external devices can dial-in to the FrameSaver unit through the COM port (based on the Port Use option setting).

Display Conditions ± This option does not appear if External Modem Commands is disabled.

Enable ± Answers incoming calls and establishes connection to the remote terminal or

IP network.

Disable ± Does not answer incoming calls.

3-62 May 2000 9123-A2-GB20-00