Menu Operation - Test Menu | AM64/128A User Manual |
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5.4Test Menu
1.Local loop
2.Loop back
3.Remote loop
4.Binary pattern
5.Data error test
6.In service error test
7.Lamp test
8.Self Test
9.Comms channel loop
5.4.1 Local loop
This is a loop applied within the local BBM. It loops data back to the DTE from a point as close to the interface connector as possible. This loop can be applied in two ways
(1)From the Menu.
(2)Direct from the DTE - see section 5.4.1.2.
5.4.1.1Local loop from menu
The top level display shows | T > Loc Loop Off |
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Pressing SELECT sets the loop |
| T > Loc Loop On | |
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The top display in the status menu will display Loop Active and the TM LED should also light up. The data flow with the loop applied is shown in fig 5.4.1.1.
Figure 5.4.1.1
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