Paradyne 3150 Operator's Manual

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Paradyne 3150 Operator's Manual Manual pdf 68 page image

ACCULINK 315x CSU4-18 February 1998 3150-A2-GB21-80Test PatternsUse the Test Pattern commands to send, monitor, andabort test patterns. Available test patterns are:• QRSS – A quasi-random signal sourceapproximating live data that can be monitored forlogic errors.• 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. Only one test pattern can be active at a time.To send a test pattern,1. From the top-level menu screen, select Test.2. From the Test screen, select Ptrns.F1Test:Rlpbk Lpbk PtrnsF2 F33. From the Patterns screen, select Send.F1Patterns:Abort Send MonF2 F34. From the Patterns Send screen, press F1 to send aQRSS pattern or F2 to send a 1-in-8 pattern.F1Patterns: SendQRSS 1in8F2 F3The Test Started screen appears.F1Send:NameTest StartedF2 F3If the CSU is already sending the test pattern youselected, the message Already active appears. Ifyou selected more than one test pattern, themessage Invld Test Combo appears.Monitoring Test PatternsUse the Monitor command to monitor a QRSS testpattern on the network interface.This command provides the number of errors detectedin the test pattern (5 digits, maximum 99999).To monitor a QRSS test pattern,1. From the top-level menu screen, select Test.2. From the Test screen, select Ptrns.F1Test:Rlpbk Lpbk PtrnsF2 F33. 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.