R&S SMW-K553, Руководство пользователя

Страница: 37 / 44

Remote control commands
R&S
®
SMW-K553
37 User Manual 1179.4240.02 ─ 02
Example: See Example "Calibrating external frontends" on page 34.
Usage: Event
[:SOURce<hw>]:EFRontend:CONNection:STATe <ConnState>
Queries the state of the connection between R&S SMW and external frontend.
Parameters:
<ConnState> 1 | ON | 0 | OFF
*RST:
0
Example: See Example "Configuring external frontend connection set-
tings" on page 33.
[:SOURce<hw>]:EFRontend:CMODe <FeConnMode>
Sets the mode of the SSL control connection between R&S SMW and external fron-
tend.
Parameters:
<FeConnMode> AUTO | LOCK | RXTX
AUTO
The R&S SMW locks external frontend, when activating the RF
output at the R&S SMW ("RF" > "On") for output of the IF signal.
The R&S SMW unlocks external frontend, when deactivating the
RF output at the R&S SMW ("RF" > "Off").
LOCK
The external frontend is locked permanently. No other instru-
ment can take over control.
RXTX
Requires an R&S FE50DTR connected to the R&S SMW.
Connection mode for simultaneous Rx (receive) operation and
Tx (transmit) operation of an R&S
FE50DTR.
Set this mode, if your test setup requires a release of connection
lock. A connected vector signal analyzer can lock the external
frontend for Rx operation.
Example: See Example "Configuring external frontend connection set-
tings" on page 33.
Manual operation: See "Connection Mode" on page 21
[:SOURce<hw>]:EFRontend:DID?
Queries the device ID of the external frontends connected to the R&S SMW.
Return values:
<FEDevID> string
<product_name>-<SerialNumber>
SOURce:EFRontend subsystem