Verilink AS100 (896-502379-001) Product Manual Bedienungsanleitung PDF herunterladen (Seite 57)

Access System Centum Series User Manual 4-5

CSU Loop with BERT

The CSU portion of a single Centum Series unit can be tested by

activating both the CSU Loop and the Payload BERT. Refer to page 4-2

and page 4-3.

If the CSU portion of the unit is functioning properly, the Seconds/Test

will increment while the Errored Seconds will remain at

∅∅∅∅∅.

WHEN TESTING IS COMPLETED, BE SURE TO TURN BOTH THE

LOOP AND THE BERT TESTS “OFF”.

Figure 4-2 CSU Loop with BERT

CSU Loop and

Detector

Test Pattern

Generator

1.536 Mbps

1.544 Mbps

Payload

Network

Interface

Payload BERT

both ON

1 2 ... 52 53 54 55 56 57 58 59 60 61 62 ... 111 112

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Verilink AS100 (896-502379-001) Product Manual Bedienungsanleitung Seite 57