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Chapter 7. Test Menu
Port Test Menu Items for 0.1 Nx56/ 64
0.1 Nx56/64 is the base Nx interface. It offers the following test
functions:
LOOPBK
This initiates a loopback. The following options are available:
PRT/LCL The Nx port activates both a Local loopback (back
REMOTE The remote loopback causes a V.54 code to be sent to
OFF
511 PATT
Activates the generation of the 511 test pattern.
ON
OFF
D IS 511 RESLT
Displays the results of the 511 test indicated in the 511 option. The
results are in the form of the number of errored seconds. The error
count can be cleared by pressing the Clear key (shift+9).
7-8
toward the DTE) and a Port loopback when either is
invoked.
the far end. The Nx at the far end activates a PRT/LCL
loopback upon detection of the V.54 code.
The loop is deactivated.
The ESU 120e checks the remote loopback activation by detecting
a proper response from the remote end. While waiting for the re-
sponse, the display shows Looping. If successful, the display
changes to Looped -Up. If unsuccessful, the display shows Failed.
The pattern check circuitry is enabled and a test started.
The test is ended by selecting OFF.
The pattern generation and check is disabled.
ESU 120e User Manual
61200420L1-1
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