EXFO FTB-2 - Manual (Page 420)

Communicating Through TCP/IP over Telnet
410 FTB-2 and FTB-2 Pro
Executing SCPI Commands Over Telnet
4. In the displayed Telnet editor window, type the
OPEN <IP_ADDRESS_OF_TELNET_SERVER> <PORT> command to
connect to the TCP/IP Telnet Service.
Example: open 10.192.2.45 5024
Note: Port 5024 is designated for sending SCPI commands in the Telnet protocol.
5. Press ENTER to establish a connection with the Service.
Once the connection is established, the READY> prompt is displayed
in the Telnet editor window.
Note: If the connection cannot be established, the Connection to host lost
message is displayed instead.
IP address of the
IQS or FTB unit
Port number