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Port Test Menu Items for 0.1 Nx56/64
0.1 Nx56/64 is the base Nx interface. It offers the following test
functions:
DTE LOOPBK
This initiates a loopback. The following options are available:
511 PATTERN
This activates the generation of the 511 test pattern. The follow-
ing options are available:
511 RESULTS
This displays the results of the 511 test indicated in the 511
option. The results are in the form of the number of errored sec-
onds. The error count can be cleared by pressing
61202129L1-1
The Nx port activates both a Local
/
PRT
LCL
loopback (back toward the DTE) and a Port
loopback when either is invoked.
The remote loopback causes a V.54 code to
REMOTE
be sent to the far end. The Nx at the far end
activates a PORT/LCL loopback upon
detection of the V.54 code.
The loop is deactivated.
OFF
The TSU 120 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
L
-U
OOPED
The pattern check circuitry is enabled and a
ON
test started. The test is ended by selecting
OFF
The pattern generation and check is
OFF
disabled.
TSU 120 User Manual
. If unsuccessful, the display shows
P
.
Chapter 7. Test Menu
F
AILED
Clear (Shift+9)
7-9
.
.
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