Paradyne COMSPHERE 3610 - Bit Error Rate Test; Lamp Test; Dial Tone Test

Front Panel Operation
3-133610-A2-GB46-60 December 1996
Bit Error Rate Test
The Bit Error Rate T est ( BERT ) is a session-
disruptive test that transmits a pseudo-random pattern.
The test pattern is set to Standard 511 test pattern or
AT&T (compatible with DPII 2500/2600 DSUs) using the
Tst Pattern configuration option (Table 4-4).
BERT is used to analyze the network circuit. The
results can be monitored by simultaneously executing a
BERT in the local and remote DSUs. The Bit Error Rate
Test is designed for point-to-point networks only; use the
Digital Test (DT) for multipoint networks. This test is not
available for a control DSU with the DBM in Backup
mode or when in Remote mode with in-band framing.
The test continues until aborted from the front panel,
an async terminal, or an NMS. This test can be run on an
aggregate or per-port basis. When run on an aggregate
basis, in-band diagnostics are disrupted.
T o display the results of the BER T test, press ↑ and
select Display (Displ). The results are shown in Table 3-5.
The Clear (Clr) selection clears the test results and resets
the timer to zero.
Table 3-5
Bit Error Rate Test (BERT) Results
Results
Information Displayed
Time: Running test timer.
Tot
Error:
Running count of bits in error. MAX appears
when the error count reaches about 65000.
Err
Secs:
Running count of errored seconds. An
errored second is at least one error detected
during a 1-second time period.
Run on:
port nn
Port selected for testing.
When the test is over:
• The top line display changes from Active to Final.
• The second line changes from Please wait . . . to
either Command Complete or Command Failed.
Lamp Test
The Lamp test is a test of the status indicators (LEDs)
and the LCDs . Any indicator that does not flash is not
functional.
• All LEDs are functioning if all the status indicators
on the Model 3610 front panel are flashing.
• In a COMSPHERE 3000 Series Carrier
, the status
indicators on the SDCP remain ON.
• The LCD on the front panel or SDCP alternately
flashes solid blocks, followed by a character set
display.
Pressing any key except the key returns you to the
DSU T
est menu to abort the test. Once the test aborts, the
LCD and LEDs stop flashing.
Dial Tone Test
The Dial T one test ( DTone ) allows a DBM to test for
dial tone. This selection does not appear in the DSU’s Test
branch.