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Options and Extensions
CMU-K20/21/22/23/24
1115.6088.12 6.214
E-12
Signalling states:
See command
[SENSe:]SIGNalling:PDATa:STATe?
below.
Actions:
initiated from the CMU:
initiated from the mobile phone:
See description of command
MS Attach
MS initiates GPRS-attach
PROC:SIGN:PDAT:ACT
MS Detach
MS initiates GPRS-detach
Further transitions between the signalling states (not shown in Fig. 6-2) may occur, e.g. in case of errors. Handover
transitions can be performed in analogy to the circuit-switched case; see Fig. 6-1 on p. 6.178.
[SENSe:]SIGNalling:PDATa:STATe?
GPRS Signalling State
Return
Description of parameters
Def. value
Def. unit
FW vers.
OFF |
IDLE |
ATT |
RAUP |
AIPR |
CTBF |
TEST |
DIPR |
FPEN |
TPEN |
TED
CMU transmits no control channel signal
No GPRS-attach performed yet
GPRS-attach succeeded
Routing area update in progress
GPRS-attach is currently being performed
CMU attempts a TBF connection
TBF connection established
GPRS-detach is currently being performed
Fallback pending
TBF pending
TBF established dual band
OFF – V3.01
Description of command
Sig. State
This command is always a query. It returns the current (E)GPRS signalling state.
Note:
All commands that operate in TEST state can also be used in TED state and vice versa.
all
[SENSe:]SIGNalling:PDATa:SERVice?
Service Selection
Return
Description of parameters
Def. value
Def. unit
FW vers.
TMA |
TMB |
RSA |
RSIG
RSCS |
RSCA |
DLON |
BLER
Test Mode A
Test Mode B
Reduced Signalling Mode A
Reduced Signalling Mode B
Reduced Signalling – EGPRS symmetrical
Reduced Signalling – EGPRS asymmetrical
Downlink only
Block Error Rate
INV – V3.05
Description of command
Sig. State
This command is always a query. It returns the current GPRS service. The different test modes are
accessed via
PROCedure:SIGNalling:PDATa:ACTion
(see p.
6.213
).
TEST
PROCedure:SIGNalling:PDATa[:TCH]:MSLot:CHANnel
<Number>
RF Channel
<Number>
Description of parameters
Def. value
Def. unit
FW vers.
259 to 293 | 306 to 340
128 to 251
0 to 124 | 955 to 1023
512 to 885
512 to 810
Number of traffic channel, GSM400
Number of traffic channel, GSM850
Number of traffic channel, GSM900
Number of traffic channel, GSM1800
Number of traffic channel, GSM1900
275
192
62
740
610
–
–
–
–
–
V3.10
Description of command
Sig. State
This command changes the RF channel that the CMU uses for data transfer while it is in test mode
(current parameter).
TEST,
Q: all
深圳德标仪器
135-1095-0799
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