Test Pattern - ADTRAN TSU 610 User Manual

Chapter 4. T1 Network Interface
4-28
ANSI FDL LLB
Initiates the transmission of an FDL line loopup code toward
the far end.
ANSI FT1 LLB
Initiates the transmission of a FT1 loopback using the inband
code described in T1.403.
REMOTE LOOPBACK can only be used with Fractional T1 if
the ANSI FT1 LLB is selected.
After a R
EMOTE
verifies that the far end is actually in a loopback by checking
for the receipt of a code looped back from the far end. Once
the R L
EMOTE OOPBACK
loopback progress by displaying L
verified.
Test Patterns
None
Terminates pattern generation.
All Ones
Sends an all ones pattern to the network.
All Zeros
Sends an all zeros pattern to the network.
QRSS TST DS0s
Inserts a QRSS pattern in those DS0s mapped as TST in the
currently active map (A or B).
QRSS All DS0s
Generates a QRSS test pattern and inserts the pattern into all
DS0s.
QRSS Pattern
The QRSS pattern is commonly used to simulate real data in
T1 interfaces. This pattern can be assigned to appear in all
DS0s or only in
one of the network loopbacks previously described is
activated at the far end, a total end-to-end integrity check can
TSU 610 User Manual
L option is selected, the TSU 610
OOPBACK
type is selected, the LCD displays the
. When QRSS is set in all DS0s and
TST DS0s
until loopback is
OOPING
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