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Appendix E: Using the LineTest Utility
iSPAN PRI PCI ISDN Users Guide 105
Figure E-3. Port Options dialog
2. Select the LoopTest setting you want to use.
PRBS Generator and Monitor Mode
The PRBS Generator and Monitor mode causes a port to
generate and transmit Pseudo Random Bit Sequences online
while it tries to synchronize on the received signal.
CAUTION
Use this mode only with Telco agreement. Also, when you
use this mode, make sure that remote equipment is set to
loopback mode.
To select this mode, select PRBS Generator and Monitor
mode on the Port Test Configuration dialog (shown in
Figure E-2 on page 103).