End-to-end test results, Bit error rate test results, Bit error rate test – Paradyne COMSPHERE 3615 User Manual

Page 56

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COMSPHERE DualFlow Data Service Units

4-12

December 1996

3615-A2-GB20-20

Table 4-4

End-to-End Test Results

Results

Reported By

1

Information Displayed

Time:

Local and remote DBM

Running test timer. (The Clr selection resets the timer to 0:00:00.)

Tot Block:

Local and remote DBM

Number of blocks completed. (The Clr selection resets the counter to 0.)

Rx Blk err:

Local and remote DBM

Number of incoming blocks with errors detected, indicating a fault in the
incoming transmission path. (The Clr selection resets the counter to 0.)

Tx Blk err:

Local and remote DBM

Number of blocks with errors detected at the remote DSU, indicating a
fault in the outgoing transmission path. (The Clr selection resets the
counter to 0.)

Rx TimOuts:

Local DBM only

Number of blocks that were not received or acknowledged by the
remote DSU or DBM. (The Clr selection resets the counter to 0.)

1

Local refers to the test initiator.

Bit Error Rate Test

The Bit Error Rate Test (BERT) is a session-

disruptive test that transmits a 511-bit pattern. It analyzes
the network circuit. It can monitor the results by putting
the remote DSU or DBM into Digital Loopback and
checking the returned pattern for errors, or by
simultaneously executing a BERT in the local DSU.

The test continues until aborted from the DCP or NMS.

If nondisruptive diagnostics are in effect (if Diag Type

is set to NonD), diagnostic data can be disrupted.

To display the results of the test, press F2 to select

Displ. The results are shown in Table 4-5. To clear the
results
of the test and clear the counters to zero, press F3
to select Clr.

Table 4-5

Bit Error Rate Test Results

Results

Information Displayed

Time:

Running test timer. (The Clr
selection resets the timer to
0:00:00.)

Tot Error:

Running count of bits in
error;

Max, if the maximum error

count has been reached, which
is 64000. (The Clr selection
resets the counter to 0.)

Err Secs:

Running count of errored
seconds. Errored second is at
least one error is detected during
a 1-second time period. (The Clr
selection resets the counter to
0.)

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