TB 9-6625-2138-24
Table 4. Transmit Pattern Check
Test instrument
channel 2
Switch settings
Readout indications
indications
PATTERN
BIT
CARR
CLK
BLOCK
SKEW
DATA/DATA
ERROR
LOSS
SLIP
ERROR
Fixed bit1
2047
DATA
EXP
EXP
EXP
EXP
___
488(+1)(-)6
0(-)6
0(-)6
488(+1)(-)3
pattern
Fixed bit1
511
DATA
EXP
EXP
EXP
EXP
___
196( 1)(-)5
100( 1)(-)2
0(-)5
0(-)5
pattern
Fixed bit1
63
DATA
EXP
EXP
EXP
EXP
98%
159( 1)(-)4
10( 1)(-)1
0(-)4
0(-)4
pattern
63
EXP
EXP
EXP
EXP
0%
Fixed bit
159( 1)(-)4
10( 1)(-)1
DATA
0(-)4
0(-)4
pattern will be
inverted
7:12
EXP
EXP
EXP
EXP
FLASHING
Fig. 3A
DATA
0(-)4
0(-)4
0(-)4
0(-)1
7:1
DATA
EXP
EXP
EXP
EXP
FLASHING
Fig. 3B
0(-)4
0(-)4
0(-)4
0(-)1
3:1
DATA
EXP
EXP
EXP
EXP
FLASHING
Fig. 3C
0(-)4
0(-)4
0(-)4
0(-)1
1:1
DATA
EXP
EXP
EXP
EXP
FLASHING
Fig. 3D
0(-)4
0(-)4
0(-)4
0(-)1
l Pattern
will vary as PATTERN switch is adjusted.
2 Set
EXPONENT RANGE switch to 4.
Figure 3. Transmit pattern waveforms.
7