Rohde & Schwarz CMU-K20, Operating Manual

Page: 226 / 646

Signalling: Connection Control
CMU-K20/K21/K22/K23/K24
1115.6088.12 4.148 E-12
Connection Control with Call Established
(State Call Established)
In addition to the parameter overview described in section
Connection Control with Call Established
on
p. 4.148 ff., the
Network Support
and
Main Service
softkeys, and the wideband power measurement
described in section
Signalling Control without Signal (State Signal Off)
on p. 4.90 ff., the
Connection
(Call Established)
tab contains the following softkeys which lead to other signalling states:
•
Deactivation of the signal for synchronization and call release to the mobile station
(Signal Off)
•
Call release to mobile station (
Disconnect Mobile
-> state
Synchronized)
•
Short message service
(Send SMS
-> return to state
Call Established)
The popup menu
Connection (Call Established)
can be opened after a call from the CMU
(Call to MS
softkey in the
Signal On
or in the
Synchronized
state) is accepted at the mobile or after a successful
call from the mobile. It is replaced by the
Connection (Synchronized)
menu if the call is released
(Disconnect Mobile
softkey, MS call release, alert timeout, loss of radio link), or by the
Connection
(Signal On)
menu if the mobile is switched off, see
Fig. 4-41
.
Fig. 4-67 Connection Control – Connection (Call Established)
The function of the softkeys
Signal Off
and
Wideband Power
is described in section
Signalling Control
without Signal (State Signal Off)
on page 4.90 , the
Send SMS
softkey in section
Connection Control
with Signal (State Signal On)
on page 4.92 , the
Disconnect Mobile
softkey in section
Connection
Control in the Alerting State
on page 4.146 .
The parameter overview in the left half of the menu is also indicated in the other
Connection
tabs.
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.
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