RAD Data comm LRS-24 - Manual (Page 75)

LRS-24 Installation and Operation Manual Chapter 4 Management via the CM-2 Module
CM-2 Supervision Terminal Language 4-11
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 C ommands 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).
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