SMIQ Digital Standard PDC
1125.5555.03 E-92.299
(SELECT SLOT...)
VOX
(UPLINK ONLY)
SET DEFAULT
Resets the subsequent parameters to the factory-set values.
IEC/IEEE-bus command
SOUR:PDC:SLOT8 PRES
SCRAMBLE
Switch on/off of scrambling function. Scrambling with the
continuous scramble sequence from a PN9 generator is
applied to the data fields SF and SACCH.
IEC/IEEE-bus
:SOUR:PDC:SLOT2:SCR:STAT ON
SCRAMBLE
START
9 bit input value for initializing the scramble PN9 generator in
hexadecimal form. The value 0 is not permissible, 1 is
preset. The input field is only displayed if SCRAMBLE is
switched on.
IEC/IEEE-bus
:SOUR:PDC:SLOT2:SCR:STAR #H2
SUPERFRAME
Switch on/off of the superframe generation. 18 frames form a
superframe. If SUPERFRAME is switched on, RCH data
instead of SACCH data will be sent in 2 slots. The first of the
two RCH blocks is fixed in the first slot of the superframe,
the position of the second can be set.
IEC/IEEE-bus
:SOUR:PDC:SLOT2:SFR:STAT ON
RCH POSITION
Input value for the position of the second RCH block. The
input field is only displayed if SUPERFRAME is switched on.
IEC/IEEE-bus
:SOUR:PDC:SLOT2:SFR:RCHP 10
G
Display of data contents in the 108 bit "Guard" field at the
beginning of the slot in hexadecimal form.
R
Display of data contents in the 4 bit data field "RAMP" in
hexadecimal form.
P
Input value of the 26 bit data field "Preamble".
IEC/IEEE-bus command
:SOUR:PDC:SLOT2:PRE #HFF
SYNC
Input value for the 20 bit sync word in hexadecimal form.
Depending on the selected slot, the following sync words are
predefined according to the PDC standard:
Slot No. VOX Sync Word
0 785B4
1 62DC9
2 7E28A
3 56B15
4 AE9B3
5 B2621
IEC/IEEE-bus :SOUR:PDC:SLOT2:SYNC #H72DC9
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