Rohde & Schwarz CMU-K20, Operating Manual

Page: 272 / 646

GPRS Signalling and EGPRS
CMU-K20/K21/K22/K23/K24
1115.6088.12 4.194 E-12
Connection Control – Attached
In addition to the parameter overview, the
Service Selection
softkey and the wideband power
measurement described in section
Signalling Control without Signal (State Signal Off)
on page 4.90 ff.
the
Connection (Attached)
tab contains the following softkeys which lead to other services or signalling
states:
•
Switch off the control channel signal for synchronization
(Signal Off)
•
Command the MS to GPRS test mode
(Connect Mobile
-> state
Connecting TBF)
The
Connection (Attached)
tab is opened after the MS succeeds in establishing a GPRS attach or after
the CMU releases a TBF connection
(Disconnect Mobile
softkey in the
Connection (TBF Established)
tab). The Signal Off softkey leads back to the
Connection (Signal Off)
menu.
Fig. 4-86 Connection Control – Connection (Attached)
Connection Control – TBF Established
In addition to the parameter overview, the
Service Selection
softkey and the wideband power
measurement described in section
Signalling Control without Signal (State Signal Off)
on page 4.90 ff.
the
Connection (TBF Established)
tab contains the following softkeys which lead to other services or
signalling states:
•
Switch off the control channel signal for synchronization
(Signal Off)
•
Terminate the GPRS test mode
(Disconnect Mobile
-> state
Attached)
The
Connection (TBF Established)
tab is opened after the CMU initiates a TBF connection
(Connect
Mobile
softkey in the
Connection (Idle)
or
Connection (Attached)
tabs). The
Signal Off
softkey leads
back to the
Connection (Signal Off)
menu. The
Disconnect Mobile
softkey terminates the test mode and
leads back to the
Connection (Attached)
menu.
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