Specifications

Programming
172
NetLinx Integrated Controllers
Notes on Specific Telnet/Terminal Clients
Telnet and terminal clients will have different behaviors in some situations. This section states
some of the known anomalies.
Windows
TM
client programs
Anomalies occur when using a Windows client if you are not typing standard ASCII characters (i.e.
using the keypad and the ALT key to enter decimal codes). Most programs will allow you to enter
specific decimal codes by holding ALT and using keypad numbers.
For example, hold ALT, hit the keypad 1, then hit keypad 0, then release ALT. The standard line
feed code is entered (decimal 10). Windows will perform an ANSI to OEM conversion on some
codes entered this way because of the way Windows handles languages and code pages.
The following codes are known to be altered, but others may be affected depending on the
computer's setup.
Characters 15, 21, 22, and any characters above 127.
This affects both Windows Telnet and Terminal programs.
Linux Telnet client
The Linux Telnet client has three anomalies that are known at this time:
 A null (\00) character is sent after a carriage return.
 If an ALT 255 is entered, two 255 characters are sent (per the Telnet RAFT).
 If the code to go back to command mode is entered (ALT 29 which is ^]), the character is
not sent, but Telnet command mode is entered.
LED Disable/Enable Send_Commands
The following commands enable or disable the LEDs on the Integrated Controller.
In these examples: <DEV> = Port 1 of the device. Sending to port 1 of the NI-Controller (affects all
ports).
THE FOLLOWING SECTIONS ONLY APPLY TO THE INTEGRATED
CONTROLLER COMPONENT OF THE NIs.
LED Send_Commands
Command Description
LED-DIS
Disable all LEDs (on 32 LED
hardware) for a port.
Regardless of whether or not the port is active, the LED will not be lit. Issue this
command to port 1 to disable all the LEDs on the Controller. When activity
occurs on a port(s) or Controller, the LEDs will not illuminate.
Syntax:
SEND_COMMAND <DEV>,"'LED-DIS'"
Example:
SEND_COMMAND Port_1,"'LED-DIS'"
Disables all the LEDs on Port 1 of the Controller.