EXFO FTB-500 (Window XP) - Manual (Page 458)

Communicating Through TCP/IP over Telnet
450 FTB-500
Executing SCPI Commands Over Telnet
7. Click to close the session.
To connect through TCP/IP over Telnet from a remote Linux client:
1. From your computer, right-click on the desktop, and then click Open
Terminal.
The command prompt is displayed in the Telnet editor window.
2. Connect to the TCP/IP Telnet Service by typing the
OPEN command:
Example: open 10.192.2.45 5024
Note: Port 5024 is designated for sending SCPI commands in the Telnet protocol.
The connection is established when the message Connected to
Toolbox/IQS Manager is displayed in the Telnet editor window.