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Remote Control Basics

R&S

SMB100A

253Operating Manual 1407.0806.32 ─ 21

After the first remote-control command has been sent, the instrument is in the

"REMOTE" state, i.e. instrument control from the front panel or via mouse and key-

board is disabled and "REMOTE" is displayed in the status line.

Telnet program examples

The following program example shows a simple TcpClient class that is intended to

explain on how to get started with programming of sockets.

The example sets up a socket communication to R&S SMB and opens a simple user

interface, very similar to the telnet, which allows input of commands. To enable real

automation, further development of the program is required.

TcpClient.h

#include <string>

//defines structs for socket handling

#include <netinet/in.h>

using namespace std;

typedef struct sockaddr_in SockAddrStruct;

typedef struct hostent HostInfoStruct;

class TcpClient

{

public:

TcpClient();

~TcpClient();

void connectToServer( string &hostname, int port );

void disconnect( );

void transmit( string &txString );

void receive( string &rxString );

string getCurrentHostName( ) const;

int getCurrentPort( ) const;

private:

string currentHostName;

int currentPort;

Starting a Remote Control Session

R&S SMB100A User Manual

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