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C-7
INA Module System Interactions
Table C-4 describes the available BERT test patterns.
After starting a BERT test, press →Monitor to view the progress of the test. One of the
following results will be displayed.
• No Synch—Indicates that the BERT test pattern is not being successfully received
back.
• Sync-Errors—Indicates that the BERT test pattern is being successfully received.
The console displays the number of bit error detected. For overflow situations
“99999” is displayed.
To refresh the display, press →Back, and then select →Monitor. This refreshes the test
results without terminating the test.
Note – During BERT testing, the INA module transmit clocking is derived from the
backplane of the MERLIN MAGIX. The remote end of the T1 connection must be set up
as either the clock slave for the T1/PRI interface, or must provide a line loopback.
INA Module System Interactions
Backup and Restore
Like the 100D module, any programming done on the MERLIN MAGIX for the INA
module can be backed up and restored with the system Personal Computer Memory
Card International Association (PCMCIA) card or by a PC running WinSPM. The new
administration options for the INA module (CSU Activate/Deactivate and DSU Channel
Selection) are included.
Note – Administration data associated with the router is not backed up and restored by
the MERLIN MAGIX backup functions. Router administration data must be backed up
and restored separately by using PMVision (see Chapter 6, “Using PMVision”). The
INAWizard may be used to restore the basic network settings, but is not a true backup.
(See Chapter 4, “Using the INAWizard”.)
Surrogate Operation
The INA module supports surrogate mode programming. The INA module is indicated
on MERLIN MAGIX system programming screens by the label 100R-U.
Table C-4 BERT Test Patterns
Test Options Description
→QRSS Produces a quasi-random test pattern.
→3 in 24 Produces a bit pattern consisting of 3 ones in 24
(1000 1000 1000 0000 0000 0000).
→All zeroes Produces a test pattern of all zeroes.
→All ones Produces a test pattern of all ones.