Timeout on some connections

Hi, I use the control successfully for different connections. However, I have a problem with connecting to a device.

If I use Putty everything works properly, I open the connection and enter user and password and after I get the prompt

login as: admin
admin@192.168.1.210's password:

Entering character mode
Escape character is '^]'.

Command Line Interface
UserDevice>

If I use control instead

                ConnectionInfo ConnNfo = new ConnectionInfo(DirectIPDbDrone, 22, "admin",
                    new AuthenticationMethod[] { new PasswordAuthenticationMethod("admin", "xxxxxx"), }
                );

                using (var sshclient = new SshClient(ConnNfo))
                {
                    sshclient.Connect();
                    rVal = sshclient.CreateCommand("at+mwrssi").Execute();
                    sshclient.Disconnect();
                }

Remains locked on the sshclient.Connect () command; Until the timeout expires and then return the value

"\r\nCommand Line Interface\r\nUserDevice> Custom idle timeout\r\n"

How can I understand what's going on?

Thanks.

Esamina il percorso SshClient.Connect utilizzando la ConnectionInfo fornita e confrontalo con l’interazione di PuTTY, inclusi i prompt di accesso e della riga di comando del dispositivo. Il lavoro è considerato completato quando sono state stabilite la causa del timeout e una soluzione o limitazione riproducibile per questo scenario del dispositivo.