From OneClick you can connect to devices using telnet or SSH by right clicking the device and then selecting one of these options.
You can change where this communication is initiated from using the following options:
1. Connect to the device through OneClick web server and Spectroserver.
2. Connect to the device through Spectroserver.
3. Connect to the device directly
This options are set via OneClick > view > preferences > scroll down on right of screen to “topology tab > Telnet / SSH Connection type”