Excalibur ISX 5312, Operation Manual

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Excalibur ISX 5312/5314 T-1 Multiplexer Installation and Operation
6-12
4. Press the button beneath
Start
to loop all channels on the line.
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5. Press the button beneath
Clear
when you want to clear the loop.
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6. Press the Escape button to return to the DS1a Diagnostic submenu.
The Local Channel Loop test allows you to loop single or contiguous DS0 channels on
the DS1 line toward the network. This test is bidirectional for channels that are cross-
connected to another T-1 line. It is not bidirectional for channels assigned to a DTE.
This test is available only for units equipped with two T-1 line interfaces. To activate
this test, follow these steps:
1. Press the button beneath
Chan
. To loop single channels, follow Steps 2 - 5. To
loop contiguous channels, follow Steps 6 - 9.
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