Agilent Technologies aurora Duet, User Manual

Page: 87 / 236

Setting Up aurora Duet
Issue 2 - 05/00 5 - 21
aurora
Duet
displays the current
custom pattern and an F3 —
EDIT
function key. See User defined
BERT settings below.
TEST LENGTH
You can choose
CONTINUOUS
,
1
MIN
,
15 MINS
,
1 HOUR
or
USER
DEF
. If you choose
USER DEF
,
aurora
Duet
displays the current
custom length and an F3 —
EDIT
function key. See User defined
BERT settings below.
THRESHOLD
Allows you to set a pass/fail
threshold for BERT. This can be a
value of
1 in 10^1
to
1 in 10^9
,
or
UNLIMITED
.
RESYNC
This selects the percentage of
errors (
5%
,
10%
,
15%
,
20%
or
25%
) within a 100mS window at
which BERT is automatically
resynchronized. An indication that
BERT is running in sync is
provided by the
BERT SYNC
LED.
ERROR INSERT
This selects the rate of automatic
error insertion during an on-line
BER test. You can choose
2
,
3
,
4
,
5
or
6
as values of ‘ x ’ in the error
ratio of 1 in 10^ x Bits.
Note:
The
2
value is always displayed,
but you can only select it when the
correct hardware is installed.