Verilink PRISM 3111 (34-00242) Product Manual Manual de usuario Pagina 61

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Element Maintenance
53
Element
Maintenance
The Element Maintenance screen (Figure 4-5) allows you to perform loop test
and/or BERT (Bit Error Rate Test) functions on the T1 circuit. You can activate
and clear loops and the bit error rate tester. BERT is performed by using on-board
test facilities. No other test equipment is needed.
Figure 4-5
Element Maintenance Screen
Clear Tests Pressing <enter> on this field clears all local tests and any line loops that have
been initiated.
Clear Alarms Pressing <enter> on this field causes all near end alarms to be cleared.
T1 Loop The type of T1 loop is chosen by toggling the <spacebar> and is executed by
pressing <enter>. This unit supports payload loopbacks, line loopbacks,
maintenance loopbacks for both the near and far ends of the network and DTE
interfaces.
Loop status changes can be made only when the BERT function is not active.
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