Download T-BERD 307 DS3/DS1 ANALYZER USER`S MANUAL

Transcript
SECTION 4 - TEST RESULTS
DS1 Test Results
BIT ERR SEC (Bit Errored Seconds) — The number of
seconds with one or more bit errors since initial DS1
pattern synchronization.
SYNC L SEC (Out-of-Synchronization Seconds) — The
number of seconds during which the receiver has lost
pattern synchronization, even momentarily, since initial
DS1 pattern synchronization.
AVAIL SEC (Available Seconds) — A count of seconds
with no errors since initial pattern synchronization.
%AVAIL SEC (Percent Available Seconds) — The ratio
of available seconds to total seconds since test start.
SEV ERR SEC (Severely Errored Seconds) — The
number of seconds with a BER worse than 10-3.
%SEVERR SEC (Percent Severely Errored Seconds) —
The ratio, expressed as a percentage, of severely errored
seconds to the number of available seconds.
CSES (Consecutive Severely Errored Seconds) — A
count of groups of three or more contiguous SES.
DEG MIN (Degraded Minutes) — The number of
minutes with a BER worse than 10-6.
%DEG MIN (Percent Degraded Minutes) — The ratio of
degraded minutes to total available minutes.
UNAVAIL SEC (Unavailable Seconds) — The number of
unavailable seconds since the test started.
4.3.3
BPV/FRM Category
The DS1 BPV/FRM (BPV & FRAME) category test results are
defined as follows:
VIOLATIONS (Bipolar Violations) — The number of
bipolar violations (BPVs) detected. Intentional B8ZS
code violations are excluded from the count.
10/29/99
4-11