Network Operation and Remote Control
R&S
®
SMA100B
280
User Manual 1178.3834.02 ─ 03
5. To disable the access to the dialogs, use the command
SYST:KLOC ON
.
6. To prevent unintentional return to manual operation, use the command
&LLO
.
Chapter A.1.2, "LAN Interface Messages"
The instrument switches to "Remote LLO" state. The SETUP key is disabled.
7. To enable the SETUP key, use the command
>R
.
8. To return to manual operation, see
Chapter 11.10, "How to Return to Manual Oper-
Tip:
Switching from manual operation to remote control and vice versa does not
affect the other instrument settings.
11.8.3 Setting Up a Remote Control Connection over LAN Using Socket
Communication
This section provides an example on how to establish a remote control connection over
Telnet client and a simple sockets-based program example that can be further devel-
oped (see also
Chapter A.2, "Telnet program examples"
The telnet client transmits information unencrypted. Therefore, for sensitive information
we recommend that you use a client which supports secure protocols, as e.g. SSH.
In the following example, we assume basic knowledge of programming and operation
of the controller. You can find information on the interface commands in the corre-
sponding manuals.
Setting up a Telnet connection
To control the software, only a Telnet program is required. The Telnet program is part
of every operating system.
1. To establish a Telnet connection with the R&S
SMA100B, start the Telnet program
and enter the socket address.
The socket address is a combination of the IP address or the hostname of the
R&S
SMA100B and the number of the port configured for remote-control via Tel-
net.
Tip:
The R&S
SMA100B uses the port number 5025 for remote connection via Tel-
net.
How to Set Up a Remote Control Connection
