Verilink PRISM 4101 (34-00230) Product Manual Instrukcja Użytkownika Pobierz pdf (Strona 44)

32 C

HAPTER

4: T

ERMINAL

NTERFACE

Maintenance When in-depth testing is necessary, you can use the Maintenance screen

(Figure 4-4) to perform loop tests and/or BERT functions on the DDS circuit.

BERT is performed by using on-board test facilities. Additional test equipment is

not required. Some of these tests may also be activated by the front panel buttons

as described in the section entitled Diagnostics on page 20.

Figure 4-4

Maintenance Screen

Clear Tests

Pressing Return clears all tests and any line loops that have been initiated.

Clear Alarms

Pressing Return clears all near end alarms. If alarm conditions remain present,

alarms are reactivated once thresholds are exceeded.

Loop

The type of loop is chosen by toggling the Spacebar and is executed by pressing

Return. Options are LOCAL

, V.54, and FAR V.54.

Unloop

Pressing Return takes down the specified loop from the currently selected port.

The type of loop is chosen by toggling the Spacebar and is executed by pressing

Return. Options are LOCAL

, V.54, and FAR V.54.

Loop Mode

Allows you to choose how the data will be looped back. The choices are

BIDIRECTIONAL

or UNIDIRECTIONAL.

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 77 78

Brak uwag

Verilink PRISM 4101 (34-00230) Product Manual Instrukcja Użytkownika Strona 44