Avocent DSR1021 manual Appendix C Using DSRIQ-SRL Modules, DSRIQ-SRL module modes

80DSR1021/1022 Switch Installer/User Guide

Appendix C: Using DSRIQ-SRL Modules

The DSRIQ-SRL module is a serial-to-VGA converter that permits VT100-capable devices to be viewed from the DSR1021/1022 switch local port or by using the DSView 3 software. The actual serial data is not accessed but is merely displayed. All serial data coming from the target device is displayed in a VT100 window, placed into a video buffer and sent to the DSR1021/1022 switch as though it came from a VGA target. Likewise, keystrokes entered on a keyboard are sent to the attached device as though they were typed upon a VT100 terminal.

DSRIQ-SRL module modes

You can access the following modes from the DSRIQ-SRL module:

•On-Line:This mode enables you to send and receive serial data.

•Configuration: This mode enables you to specify DSR1021/1022 switch communication parameters, the appearance of the Terminal Applications menu and key combinations for specific actions and macros.

•History: This mode enables you to review serial data.

Configuring the DSRIQ-SRL module

NOTE: The DSRIQ-SRL module is a DCE device and supports only VT100 terminal emulation.

Pressing Ctrl-F8activates the Configuration screen of the DSRIQ module’s Terminal Applications menu, which enables you to configure your DSRIQ-SRL module.

NOTE: When any Terminal Applications menu is active, pressing Enter saves changes and returns you to the previous screen. Pressing Escape returns you to the previous screen without saving changes.

Within the Terminal Applications menu’s Configuration screen, you can modify the following options:

•Baud Rate: Use this option to specify the serial port communications speed. Available options are 300, 1200, 2400, 9600, 19,200, 34,800, 57,600 or 115,200 bps. The default value is 9600.

•Parity: Use this option to specify the serial port’s communications parity. Available options are EVEN, ODD or NONE. The default value is NONE.

•Flow Control: Use this option to specify the type of serial flow control. Available options are NONE, XOn/XOff (software) and RTS/CTS (hardware). The default value is NONE. If you select a bps rate of 115,200, the only available flow control is RTS/CTS (hardware).

•DSR/CD Mode: Use this option to control how the DSR1021/1022 switch and CD lines operate. Available options are Always on and Toggle. When in Toggle mode, DSR and CD lines are turned off for one-half second and then turned on each time a module is selected or deselected. The default value is Always on.