Technical data

Table 5
Bit Mnemonic Description
8 UNCAL This bit is set when the
serial number of the
installed pattern generator
or error detector does not
match the calibration file
in the instrument.
9 Not used
10 SYNC LOSS This bit is set when the
error detector pattern does
not match the incoming
data pattern or the BER of
your device is higher than
the sync threshold.
11-15 Protection Circuit
12 Symbol Mode This bit is set when a 10B
symbol alignment is done
or lost.
13-15 Not used
N O T E
Depending on the options of your Serial BERT, some of the status bits may not be
valid for your instrument. See the User Guide for a description of the available
options.
Operation Status Register
The output of this register gives information about the current operation the
instrument is performing. It sets bit 7 of the Status Byte.
Table 6
Bit Mnemonic Description
0-2 Not used
Recommended Programming Techniques 3
Agilent J-BERT N4903B High-Performance Serial BERT 33