LRS-24Installation and Operation Manual

Chapter 4 Management via the CM-2 Module

 

 

 

 

 

 

 

 

 

4.3 CM-2 Supervision Terminal Language

General

This section presents the syntax, usage, and an index of the commands available to a supervision terminal controlled by the software in the CM-2 module.

For a complete description of each command, see Appendix D.

Similar procedures are available when the terminal is controlled by one of the I/O modules installed in LRS-24; for detailed instructions, refer to the Installation and Operation Manuals of the I/O modules.

Command Language Syntax

Prompt

Commands can be entered only when a prompt is displayed. The prompt

 

always appears at the beginning of a new line, and the cursor appears to

 

the right of the prompt. The prompt identifies the module controlling the

 

terminal.

 

The prompt displayed when the software in the CM-2 module controls

 

the terminal is CM2>.

 

When the software controls the terminal in one of the I/O modules that can

 

directly control it, the prompt is supplied by that module.

Case

Commands are case-insensitive, for example, you can type commands in

 

either lower case and/or upper case letters, and they will be interpreted as

 

upper case only. The exception is SNMP community strings, which are

 

case-sensitive.

Node ID

Commands addressed to a specific module must identify the module

 

using the node number. By default, the node number is identical to the

 

chassis slot number. For example, prefixing the command with NODE 7

 

identifies a module installed in slot 7; commands for the CM-2 module

 

are identified by the prefix NODE 13.

Corrections

To correct typing errors, press <Back space> until the error is cleared,

 

and then type the correct characters.

<Enter>

Commands must end with a carriage return <Enter>.

Help

To obtain help, type NODE 13 HLP.

Command Protocol

Duplex Communication after a working prompt is displayed, every character typed on the terminal keyboard is immediately evaluated by the module that sent the prompt, and then echoed to the terminal screen. Full duplex communication with the terminal is therefore necessary to provide on-line feedback to the terminal operator, and terminal echo must be turned off.

Cursor

When a screen has several fields, use the TAB key to move the cursor

 

among the various fields. However, for fields with textual entries, press

 

the <Enter> key to end the entry and move the cursor to the next field.

 

(This is indicated in the command description).

CM-2 Supervision Terminal Language

4-11

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RAD Data comm LRS-24 operation manual CM-2 Supervision Terminal Language, Command Language Syntax, Command Protocol