DI-4718B-E

DI-4718B-E

Hello

I have set the IP address of the DI-4718B-E unit to 192.168.1.201 using WinDaq Dashboard.

I tried using PuTTY to experiment with the "Data Acquisition Instrument Command Protocol".  I have set the destination IP address to 192.168.1.201 and the Port to 51235, and left the connection type to its default SSH Telnet. When I click on Open, PuTTY displays a Fatal Error "Network error:  Connection refused".  I get the same error with Port 1235.

Note that I can ping the unit. Do I have to purchase an unlock code to get the ports unblocked ? 
Thanks for your help.