Appendix D: Line Test Utility

Figure D-3. Port Options Dialog Box

3.Select the LoopTest setting you want to use.

4.Click OK to save the setting and return to the Port Test Configuration dialog box.

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 box (shown in Figure D-2 on page 165).

5536 PRI RAS Communications Controller Users Guide

167