Alarms/Errors/Alarms/Errors/
OthersOthers
Select the port to insert errors, and the stimuli type. The settings items vary
depending on the selected stimulus type.
OTNOTN: Inserts errors or alarms related the OTN overhead or FEC.
OTN OTL skewOTN OTL skew: Inserts skew between specified lanes.
OTN frequencyOTN frequency: Adds the frequency offset to the OTU bit rate and Payload bit
rate.
OTN justificationOTN justification: Inserts positive or negative justification bytes of AMP
(asynchronous mapping procedure).
77..11..44..11 OTNOTN
If selecting OTNOTN, the CategoryCategory drop down menu appears.
Alarms/ErrorsAlarms/Errors: Inserts errors or alarms related the OTN overhead.
GMPGMP: Inserts errors to the general mapping procedure parameter.
GFPGFP: Inserts errors to the generic framing procedure parameter.
FEC TestFEC Test: Inserts errors to the forward error correction bytes in the OTU
frame.
OTLOTL: Inserts errors or alarms to the specified lanes.
Alarms/ErrorsAlarms/Errors
1. Select AlarmAlarm or ErrorError using TypeType drop down menu. If selecting OffOff, Errors and
Alarms are not inserted.
2. Select the LevelLevel.
3. Select the Alarm/Error ItemAlarm/Error Item.
4. Select the Insertion ModeInsertion Mode.
SingleSingle: Inserts an error or an alarm if you touch the Error Insert icon.
BurstBurst: Inserts errors or alarms in counts you have specified if you touch
the Error Insert icon.
AlternateAlternate: Repeats error/alarm insertion per specified number of
frames. The Error Insert icon shows only status.
AllAll: Inserts errors or alarms in all OTU frame. The Error Insert icon
shows only status.
RateRate: Inserts errors in the specified rate continuously. The Error Insert
icon shows only status.
5. When selecting SingleSingle or BurstBurst, touch the Error Insert icon ( ) to insert
errors or alarms.
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