Rohde & Schwarz CMU-K20, Operating Manual

Page: 225 / 646

CMU-K20/K21/K22/K23/K24
Signalling: Connection Control
1115.6088.12 4.147 E-12
•
Deactivation of the control channel signal for synchronization and call release
(Signal Off)
•
Disconnect Mobile
while keeping the control channel signal switched on (-> state
Synchronized)
The popup menu
Connection (Alerting)
is opened while the mobile phone is ringing during a call setup
(Connect Mobile
softkey in the
Signal On
or in the
Synchronized
state). It is replaced by the
Connection
(Call Established)
menu when the mobile phone accepts the call (is picked up
),
or by the
Connection
(Synchronized)
menu if the call is released
(Disconnect Mobile
softkey, MS call release, alert timeout,
loss of radio link), see
Fig. 4-41
.
Fig. 4-66 Connection Control – Connection (Alerting)
The function of the
Wideband Power
softkey is described in the section
Signalling Control without
Signal (State Signal Off)
on page 4.90 , the softkey
Signal Off
softkey in section
Connection Control with
Signal (State Signal On)
on page 4.92 .
The parameter overview in the left half of the menu is also indicated in the other
Connection
tabs and is
described in section
Connection Control with Call Established
on p. 4.148 ff. Some parameters are not
always available, depending on the current and previous signalling states and settings. In this case the
table shows invalid or unavailable settings ("---").
Header Message
A Header Message displayed on top of each
Connection
tab informs on the current
instrument state or indicates how to proceed to get to other signalling states.
Disconnect
Mobile
The
Disconnect Mobile
softkey releases the call to the mobile station. The CMU
changes to the signalling state
Synchronized
.
Remote control
PROCedure:SIGNalling[CSWitched]:ACTion CRELease
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