Chapter 7. Test Menu
A test pattern is sent from the controller through a loop- back on all other boards and is checked on the controller. This verifies the data path, clocks, and control signals.
If a failure is detected, note the failure number prior to contacting ADTRAN Technical Support (see page xi of this manual).
The execution of the
Port Tests
The PORT TESTS menu is used to activate testing of specif- ic data ports. It controls the activation of loopbacks and the initiation of data test patterns. Test results are dis- played on the terminal screen.
The execution of Port Tests will disrupt normal data flow in the port being tested.
Nx/DBU (0.1) Menu Items
Nx/DBU (0.1) is the base Nx interface. It offers the follow- ing test functions:
DTE LOOPBACK
This initiates a loopback. The following options are avail- able:
REMOTE
The remote loopback causes a V.54 code to be sent to the far end.
The Nx at the far end activates a PORT/LOCAL loopback upon detection of the V.54 code.
TDU 120e User Manual |