Paradyne 3350 User Manual

Also see for 3350: Quick installation

Paradyne 3350 User Manual Manual pdf 60 page image

Maintenance4-193350-A2-GB20-10 June 1996Test PatternsUse the Test Pattern commands to send, monitor, andabort test patterns. Only one test pattern can be active at atime. Available test patterns are:• 32767 – A pseudo-random bit sequence (PRBS)that is 32,767 bits long. This is a PRBS 215 –1 test.• 1-in-8 – A test pattern consisting of a one (1)followed by seven zeros.Sending Test PatternsUse the Send command to start transmission of a testpattern.To send a test pattern,1. From the top-level menu screen, select Test.2. From the Test screen, select Ptrns.F1Test:Lpbk Ptrns LampF2 F33. From the Patterns screen, select Send.F1Patterns:Abort Send MonF2 F34. From the Patterns Send screen, press F1 to send a32767 pattern or F2 to send a 1-in-8 pattern.F1Patterns: Send32767 1in8F2 F3The Test Started screen appears.F1Send:Name and DestTest StartedF2 F3Monitoring 32767 Test PatternsThe Monitor command provides the number of errorsdetected in the 32767 test pattern.To monitor a 32767 test pattern,1. From the top-level menu screen, select Test.2. From the Test screen, select Ptrns.3. From the Patterns screen, select Mon.F1Patterns:Abort Send MonF2 F3The Monitor screen appears with the error count.If the maximum of 99999 is exceeded, OvrFlwappears instead of the count. If the receiver losessynchronization while the monitor is active, NoSync appears.